M50 protective mask hi-res stock photography and images

Airmen don their M50 protective masks as they brush up on their chemical, biological, radiological and nuclear, self-aid and buddy care skills at Joint Base McGuire-Dix-Lakehurst, New Jersey, USA.. The exercise was part of the New Jersey Air National Guard 108th WingÕs Ability to Survive and Operate Rodeo evaluation. The Airmen also practiced post-attack reconnaissance and maintenance of their firearms These skills enable Airmen to function effectively in hostile environments. Optimised version of a U.S. Air National Guard photo, credit USANG / M. C. Olsen Stock Photo

RM2JAPCJ1–Airmen don their M50 protective masks as they brush up on their chemical, biological, radiological and nuclear, self-aid and buddy care skills at Joint Base McGuire-Dix-Lakehurst, New Jersey, USA.. The exercise was part of the New Jersey Air National Guard 108th WingÕs Ability to Survive and Operate Rodeo evaluation. The Airmen also practiced post-attack reconnaissance and maintenance of their firearms These skills enable Airmen to function effectively in hostile environments. Optimised version of a U.S. Air National Guard photo, credit USANG / M. C. Olsen

U.S. Airmen, assigned to Hurlburt Field, are transported to a gas chamber during a bivouac exercise at Eglin Range, Eglin Air Force Base, Florida, Nov. 6, 2024. The purpose of the gas chamber exercise is to enable Airmen to maintain familiarity with the proper use of their M50 protective mask, including how to efficiently and properly clear and seal their mask when entering the chamber. (U.S. Air Force photo by Senior Airman Hussein Enaya) Stock Photo

RM2YR6181–U.S. Airmen, assigned to Hurlburt Field, are transported to a gas chamber during a bivouac exercise at Eglin Range, Eglin Air Force Base, Florida, Nov. 6, 2024. The purpose of the gas chamber exercise is to enable Airmen to maintain familiarity with the proper use of their M50 protective mask, including how to efficiently and properly clear and seal their mask when entering the chamber. (U.S. Air Force photo by Senior Airman Hussein Enaya)

Soldiers from 4th Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division enter the gas chamber at Fort Stewart, Georgia, July 26, 2022. Soldiers enter as a group and are instructed on how to remove, don and clear their M50 Protective Mask. Stock Photo

RM2MDN72X–Soldiers from 4th Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division enter the gas chamber at Fort Stewart, Georgia, July 26, 2022. Soldiers enter as a group and are instructed on how to remove, don and clear their M50 Protective Mask.

150108-M-QZ288-148 MEDITERRANEAN SEA (Jan. 8, 2015) Cpl. Christopher Waters, a chemical, biological, radiological, and nuclear defense specialist with Headquarters and Service Company, Battalion Landing Team 3rd Battalion, 6th Marine Regiment, 24th Marine Expeditionary Unit, adjusts a student’s M50 joint-service general-purpose gas mask during a mission-oriented protective-posture gear refresher course aboard USS Iwo Jima (LHD 7) Jan. 8, 2015. The 24th MEU and Iwo Jima Amphibious Ready Group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national se Stock Photo

RMFTEK4W–150108-M-QZ288-148 MEDITERRANEAN SEA (Jan. 8, 2015) Cpl. Christopher Waters, a chemical, biological, radiological, and nuclear defense specialist with Headquarters and Service Company, Battalion Landing Team 3rd Battalion, 6th Marine Regiment, 24th Marine Expeditionary Unit, adjusts a student’s M50 joint-service general-purpose gas mask during a mission-oriented protective-posture gear refresher course aboard USS Iwo Jima (LHD 7) Jan. 8, 2015. The 24th MEU and Iwo Jima Amphibious Ready Group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national se

Staff Sgt Brian Castle, a recruiter with Recruiting and Retention Battalion, puts on a M50 Joint Service General Protective Mask during the 2022 Tennessee National Guard's Best Warrior Competition in Lavinia on Feb. 24. Competitors performed multiple Army Warrior Tasks and received scores based on their proficiency and speed. Stock Photo

RM2M5BRAX–Staff Sgt Brian Castle, a recruiter with Recruiting and Retention Battalion, puts on a M50 Joint Service General Protective Mask during the 2022 Tennessee National Guard's Best Warrior Competition in Lavinia on Feb. 24. Competitors performed multiple Army Warrior Tasks and received scores based on their proficiency and speed.

A U.S. Soldier assigned to 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade, dons his M50 protective mask during a simulated gas attack while conducting Base Defense Live Fire at the 7th Army Training Command’s Grafenwoehr Training Area, Germany, Feb. 2, 2019. Stock Photo

RMRTBB8K–A U.S. Soldier assigned to 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade, dons his M50 protective mask during a simulated gas attack while conducting Base Defense Live Fire at the 7th Army Training Command’s Grafenwoehr Training Area, Germany, Feb. 2, 2019.

US Air Force CBRN training. Master Sgt. P. Aguilar pauses for a portrait in the snow during chemical, biological, radiological and nuclear defense training at Francis S. Gabreski Air National Guard Base, N.Y. CBRN defense training consists of CBRN passive protection, contamination avoidance and CBRN mitigation. Airmen conducting this training learn how to avoid offensive and improvised weapons, wear the protective clothing and masks and how to properly decontaminate after an incident. Optimised version of a U.S. Air National Guard photo, credit USANG / C.S. Muncy Stock Photo

RM2JAPCH0–US Air Force CBRN training. Master Sgt. P. Aguilar pauses for a portrait in the snow during chemical, biological, radiological and nuclear defense training at Francis S. Gabreski Air National Guard Base, N.Y. CBRN defense training consists of CBRN passive protection, contamination avoidance and CBRN mitigation. Airmen conducting this training learn how to avoid offensive and improvised weapons, wear the protective clothing and masks and how to properly decontaminate after an incident. Optimised version of a U.S. Air National Guard photo, credit USANG / C.S. Muncy

U.S. Airmen, assigned to Hurlburt Field, prepare to enter a gas chamber at Eglin Range during a bivouac exercise at Eglin Air Force Base, Florida, Nov. 6, 2024. The purpose of the gas chamber exercise is to enable Airmen to maintain familiarity with the proper use of their M50 protective mask, including how to efficiently and properly clear and seal their mask when entering the chamber. (U.S. Air Force photo by Senior Airman Hussein Enaya) Stock Photo

RM2YR61EA–U.S. Airmen, assigned to Hurlburt Field, prepare to enter a gas chamber at Eglin Range during a bivouac exercise at Eglin Air Force Base, Florida, Nov. 6, 2024. The purpose of the gas chamber exercise is to enable Airmen to maintain familiarity with the proper use of their M50 protective mask, including how to efficiently and properly clear and seal their mask when entering the chamber. (U.S. Air Force photo by Senior Airman Hussein Enaya)

A Soldier from 4th Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division practices sealing his M50 Protective Mask at Fort Stewart, Georgia, July 26, 2022. Chemical, Biological, Radiological and Nuclear training allows Soldiers to build confidence with their equipment and put their training into practice. Stock Photo

RM2MDN730–A Soldier from 4th Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division practices sealing his M50 Protective Mask at Fort Stewart, Georgia, July 26, 2022. Chemical, Biological, Radiological and Nuclear training allows Soldiers to build confidence with their equipment and put their training into practice.

A Soldier assigned to 2nd Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division, tightens the straps on his M50 protective mask during a convoy protection platform gunnery at Fort Stewart, Georgia, August 2, 2022. Soldiers donned their pro mask during part of the training exercise to show their capabilities under chemical, biological, radiological and nuclear environment. (U.S. Army photo by Spc. Caitlin Wilkins) Stock Photo

RM2JKYTTN–A Soldier assigned to 2nd Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division, tightens the straps on his M50 protective mask during a convoy protection platform gunnery at Fort Stewart, Georgia, August 2, 2022. Soldiers donned their pro mask during part of the training exercise to show their capabilities under chemical, biological, radiological and nuclear environment. (U.S. Army photo by Spc. Caitlin Wilkins)

150108-M-QZ288-130 MEDITERRANEAN SEA (Jan. 8, 2015) Cpl. Evan A. Lafoose, a chemical, biological, radiological, and nuclear defense specialist with the 24th Marine Expeditionary Unit’s Command Element, adjusts a student’s M50 joint-service general-purpose gas mask during a mission-oriented protective posture gear refresher course aboard USS Iwo Jima (LHD 7) Jan. 8, 2015. The 24th MEU and Iwo Jima Amphibious Ready Group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Marine Corps photo by Lance Cpl. Austin Stock Photo

RMFTEK4P–150108-M-QZ288-130 MEDITERRANEAN SEA (Jan. 8, 2015) Cpl. Evan A. Lafoose, a chemical, biological, radiological, and nuclear defense specialist with the 24th Marine Expeditionary Unit’s Command Element, adjusts a student’s M50 joint-service general-purpose gas mask during a mission-oriented protective posture gear refresher course aboard USS Iwo Jima (LHD 7) Jan. 8, 2015. The 24th MEU and Iwo Jima Amphibious Ready Group are conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Marine Corps photo by Lance Cpl. Austin

U.S. Army Soldiers with 7th Special Forces Group (Airborne) practice putting on their M50 Protective Masks during a gas chamber exercise on Camp “Bull” Simons, Florida July 9, 2024. The purpose of the Gas Chamber exercise is to enable Soldiers to maintain familiarity on how to properly use their M50 Protective Mask. This consists of how to quickly and properly clear and seal their mask when entering the chamber then removing their mask exposing themselves to the gas. (U.S. Army photos by Sgt. Taylor Zacherl) Stock Photo

RM2XKEX9C–U.S. Army Soldiers with 7th Special Forces Group (Airborne) practice putting on their M50 Protective Masks during a gas chamber exercise on Camp “Bull” Simons, Florida July 9, 2024. The purpose of the Gas Chamber exercise is to enable Soldiers to maintain familiarity on how to properly use their M50 Protective Mask. This consists of how to quickly and properly clear and seal their mask when entering the chamber then removing their mask exposing themselves to the gas. (U.S. Army photos by Sgt. Taylor Zacherl)

1st Sgt. Jacqueline Rodriguez of the Headquarters and Headquarters Company, 300th Sustainment Brigade demonstrates an M50 protective mask to Command Sgt. Maj. Bernard P. Smalls, Sr. of the 1st Theater Sustainment Command on Camp Arifjan, Kuwait, Jan. 31, 2019. Stock Photo

RMRT9NP9–1st Sgt. Jacqueline Rodriguez of the Headquarters and Headquarters Company, 300th Sustainment Brigade demonstrates an M50 protective mask to Command Sgt. Maj. Bernard P. Smalls, Sr. of the 1st Theater Sustainment Command on Camp Arifjan, Kuwait, Jan. 31, 2019.

Airmen don their M50 protective masks as they brush up on their chemical, biological, radiological and nuclear, self-aid and buddy care skills Feb. 9, 2014, at Joint Base McGuire-Dix-Lakehurst, N.J. The exercise was part of the New Jersey Air National Guard 108th Wing’s Ability to Survive and Operate Rodeo evaluation. The Airmen also practiced post-attack reconnaissance and maintenance of their Beretta M9 pistols and M16 rifles. These skills enable Airmen to function effectively in hostile environments. Master Sgt. Mark C. Olsen Stock Photo

RMEG1FY6–Airmen don their M50 protective masks as they brush up on their chemical, biological, radiological and nuclear, self-aid and buddy care skills Feb. 9, 2014, at Joint Base McGuire-Dix-Lakehurst, N.J. The exercise was part of the New Jersey Air National Guard 108th Wing’s Ability to Survive and Operate Rodeo evaluation. The Airmen also practiced post-attack reconnaissance and maintenance of their Beretta M9 pistols and M16 rifles. These skills enable Airmen to function effectively in hostile environments. Master Sgt. Mark C. Olsen

Soldiers from 4th Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division assist each other with fitting their M50 Protective Mask at Fort Stewart, Georgia, July 26, 2022. Chemical, Biological, Radiological and Nuclear training is required every year and reinforces proper procedures during a CBRN event. Stock Photo

RM2MDN72E–Soldiers from 4th Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division assist each other with fitting their M50 Protective Mask at Fort Stewart, Georgia, July 26, 2022. Chemical, Biological, Radiological and Nuclear training is required every year and reinforces proper procedures during a CBRN event.

Soldiers of the 290th Military Police Brigade test out their M50 Protective Mask at a chemical chamber as part of Titan Warrior here in Camp Shelby, Mississippi. Titan Warrior is a two-week long exercise that involves units from the 290th Military Police Brigade training on job-specific tasks and basic soldiering skills. Stock Photo

RM2NH9100–Soldiers of the 290th Military Police Brigade test out their M50 Protective Mask at a chemical chamber as part of Titan Warrior here in Camp Shelby, Mississippi. Titan Warrior is a two-week long exercise that involves units from the 290th Military Police Brigade training on job-specific tasks and basic soldiering skills.

U.S. Army Soldier with 7th Special Forces Group (Airborne) demonstrates how to seal his M50 Protective Mask during a gas chamber exercise on Camp “Bull” Simons, Florida July 9, 2024. The purpose of the Gas Chamber exercise is to enable Soldiers to maintain familiarity on how to properly use their M50 Protective Mask. This consists of how to quickly and properly clear and seal their mask when entering the chamber then removing their mask exposing themselves to the gas. (U.S. Army photos by Sgt. Taylor Zacherl) Stock Photo

RM2XKEXB5–U.S. Army Soldier with 7th Special Forces Group (Airborne) demonstrates how to seal his M50 Protective Mask during a gas chamber exercise on Camp “Bull” Simons, Florida July 9, 2024. The purpose of the Gas Chamber exercise is to enable Soldiers to maintain familiarity on how to properly use their M50 Protective Mask. This consists of how to quickly and properly clear and seal their mask when entering the chamber then removing their mask exposing themselves to the gas. (U.S. Army photos by Sgt. Taylor Zacherl)

Sgt. Devon Neta, a paralegal assigned to 2d Squadron, 2d Cavalry Regiment uses a pad from a M295 Individual Equipment Decontamination Kit to decontaminate his M50 protective mask after going through the gas chamber during a spur ride Nov. 2, 2018 in the Grafenwoehr Training Area, Germany. Neta earned his cavalry silver spurs by completing several events including a 12-mile ruck march, disassemble and reassemble several weapons, treat and evacuate a casualty, land navigation and CS gas chamber. Stock Photo

RMM22H0A–Sgt. Devon Neta, a paralegal assigned to 2d Squadron, 2d Cavalry Regiment uses a pad from a M295 Individual Equipment Decontamination Kit to decontaminate his M50 protective mask after going through the gas chamber during a spur ride Nov. 2, 2018 in the Grafenwoehr Training Area, Germany. Neta earned his cavalry silver spurs by completing several events including a 12-mile ruck march, disassemble and reassemble several weapons, treat and evacuate a casualty, land navigation and CS gas chamber.

U.S. Marine Corps Lance Cpl. Carlos Sandoval, left, a chemical, biological, radiological, and nuclear (CBRN) responder with 1st Combat Engineer Battalion, 1st Marine Division provides a period of instruction on the M50 joint service general purpose mask during annual CBRN defense training at Marine Corps Base Camp Pendleton, California, Sept. 16, 2024. Annual CBRN training teaches Marines about proper protective measures, provides information about contamination threats, and instills confidence in their equipment. (U.S. Marine Corps photo by Lance Cpl. Oliver Nisbet) Stock Photo

RM2Y62PEY–U.S. Marine Corps Lance Cpl. Carlos Sandoval, left, a chemical, biological, radiological, and nuclear (CBRN) responder with 1st Combat Engineer Battalion, 1st Marine Division provides a period of instruction on the M50 joint service general purpose mask during annual CBRN defense training at Marine Corps Base Camp Pendleton, California, Sept. 16, 2024. Annual CBRN training teaches Marines about proper protective measures, provides information about contamination threats, and instills confidence in their equipment. (U.S. Marine Corps photo by Lance Cpl. Oliver Nisbet)

211007-M-PO838-1115 ARABIAN SEA (Oct. 7, 2021) Marine Corps Cpl. Jacob Anderson, a rifleman assigned to Alpha Company, Battalion Landing Team 1/1, 11th Marine Expeditionary Unit (MEU), holds security while wearing an M50 Field Protective Mask during an interior and exterior clearing exercise aboard amphibious transport dock USS Portland (LPD 27), Oct. 7. Portland and the 11th MEU are deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and Pacific through the Western Indian Stock Photo

RM2H0259N–211007-M-PO838-1115 ARABIAN SEA (Oct. 7, 2021) Marine Corps Cpl. Jacob Anderson, a rifleman assigned to Alpha Company, Battalion Landing Team 1/1, 11th Marine Expeditionary Unit (MEU), holds security while wearing an M50 Field Protective Mask during an interior and exterior clearing exercise aboard amphibious transport dock USS Portland (LPD 27), Oct. 7. Portland and the 11th MEU are deployed to the U.S. 5th Fleet area of operations in support of naval operations to ensure maritime stability and security in the Central Region, connecting the Mediterranean and Pacific through the Western Indian

1st. Lt. John Harris, an Army health service admin decontaminates the M50 Protective Mask during chemical training here in Camp Shelby, Mississippi. Titan Warrior is a two-week long training exercise that involves units from the 290th Military Police Brigade training in job-specific tasks and basic soldiering skills. Stock Photo

RM2NH90YY–1st. Lt. John Harris, an Army health service admin decontaminates the M50 Protective Mask during chemical training here in Camp Shelby, Mississippi. Titan Warrior is a two-week long training exercise that involves units from the 290th Military Police Brigade training in job-specific tasks and basic soldiering skills.

A soldier from 12th Panzer Brigade, German Army helps a soldier from 2d Cavalry Regiment adjust his M50 protective mask during a cavalry spur ride Nov. 2, 2017 in the Grafenwoehr Training Area, Germany. The event was hosted by the Regimental headquarters to bring multi-echelon and multinational teams together to have a little fun and keep the spur ride tradition alive. Events included a 12-mile ruck march, disassemble and reassemble weapons, treat and evacuate a casualty, land navigation and CS gas chamber. Everyone who completed the event were awarded silver spurs. Stock Photo

RMM22H0R–A soldier from 12th Panzer Brigade, German Army helps a soldier from 2d Cavalry Regiment adjust his M50 protective mask during a cavalry spur ride Nov. 2, 2017 in the Grafenwoehr Training Area, Germany. The event was hosted by the Regimental headquarters to bring multi-echelon and multinational teams together to have a little fun and keep the spur ride tradition alive. Events included a 12-mile ruck march, disassemble and reassemble weapons, treat and evacuate a casualty, land navigation and CS gas chamber. Everyone who completed the event were awarded silver spurs.

Staff Sgt. Breanna Palmer, a supply specialist with the 160th Military Police Battalion tests their M50 Protective Mask at a chemical chamber as part of Titan Warrior here in Camp Shelby, Mississippi. Titan Warrior is a two-week long exercise that involves units from the 290th Military Police Brigade training on job-specific tasks and basic soldiering skills. Stock Photo

RM2NH90R4–Staff Sgt. Breanna Palmer, a supply specialist with the 160th Military Police Battalion tests their M50 Protective Mask at a chemical chamber as part of Titan Warrior here in Camp Shelby, Mississippi. Titan Warrior is a two-week long exercise that involves units from the 290th Military Police Brigade training on job-specific tasks and basic soldiering skills.

U.S. Army Spc. Nathaniel Woods with the 300th Chemical Company, 485th Chemical Battalion, 415th Chemical Brigade, 76th Division, U.S. Army Reserve, secures a hood around his M50 protective mask with the help of a fellow Soldier before he enters a restricted building to collect samples to test for Norovirus at Camp Arifjan, Kuwait, June 4, 2018. Wearing proper equipment for a biological contamination situation ensures that Soldiers will not contract any disease while handling Norovirus samples. Stock Photo

RMPFF1C7–U.S. Army Spc. Nathaniel Woods with the 300th Chemical Company, 485th Chemical Battalion, 415th Chemical Brigade, 76th Division, U.S. Army Reserve, secures a hood around his M50 protective mask with the help of a fellow Soldier before he enters a restricted building to collect samples to test for Norovirus at Camp Arifjan, Kuwait, June 4, 2018. Wearing proper equipment for a biological contamination situation ensures that Soldiers will not contract any disease while handling Norovirus samples.

Sgt. Maj. Joseph Schrafel, the acting command sergeant major with the 160th Military Police Battalion checks his M50 Protective Mask prior to entering the chemical chamber here in Camp Shelby, Mississippi. Titan Warrior is a two-week long training exercise that involves units from the 290th Military Police Brigade training on job-specific tasks and basic soldiering skills. Stock Photo

RM2NH90Y7–Sgt. Maj. Joseph Schrafel, the acting command sergeant major with the 160th Military Police Battalion checks his M50 Protective Mask prior to entering the chemical chamber here in Camp Shelby, Mississippi. Titan Warrior is a two-week long training exercise that involves units from the 290th Military Police Brigade training on job-specific tasks and basic soldiering skills.

This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones Stock Photo

RM2MCBBED–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

Staff Sgt. Victoria Shore, 736th Aircraft Maintenance Squadron, secures her M50 gas mask, a part of Mission Oriented Protective Posture, or MOPP gear, during the 2018 Exercise Vengeant Eagle Feb. 22, 2018. To show that full mobility is still possible, Airmen performed their jobs while wearing MOPP gear. (U.S. Air Force Stock Photo

RMM6AWKH–Staff Sgt. Victoria Shore, 736th Aircraft Maintenance Squadron, secures her M50 gas mask, a part of Mission Oriented Protective Posture, or MOPP gear, during the 2018 Exercise Vengeant Eagle Feb. 22, 2018. To show that full mobility is still possible, Airmen performed their jobs while wearing MOPP gear. (U.S. Air Force

RM2MCBCDK–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

Lance Cpl. Anthony Soucy, a chemical, biological, radiological and nuclear defense specialist with 3rd Marine Aircraft Wing, teaches the M50 Field Protective Mask class during the reconnaissance, surveillance and decontamination course at Marine Corps Air Station Miramar, Calif., March 25. The course is designed to train unit personnel in the procedures and equipment used in accomplishing RS&D operations in a chemical, biological, radiological or nuclear environment. Stock Photo

RMMC5W83–Lance Cpl. Anthony Soucy, a chemical, biological, radiological and nuclear defense specialist with 3rd Marine Aircraft Wing, teaches the M50 Field Protective Mask class during the reconnaissance, surveillance and decontamination course at Marine Corps Air Station Miramar, Calif., March 25. The course is designed to train unit personnel in the procedures and equipment used in accomplishing RS&D operations in a chemical, biological, radiological or nuclear environment.

RM2MCBBY3–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

RMMC5W7T–Lance Cpl. Anthony Soucy, a chemical, biological, radiological and nuclear defense specialist with 3rd Marine Aircraft Wing, teaches the M50 Field Protective Mask class during the reconnaissance, surveillance and decontamination course at Marine Corps Air Station Miramar, Calif., March 25. The course is designed to train unit personnel in the procedures and equipment used in accomplishing RS&D operations in a chemical, biological, radiological or nuclear environment.

RM2MCBCDY–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

Private First Class Yuxi Luo from Bravo Company and Higher Headquarters Company, 101st Brigade Support Battalion, dons his M50 protective mask during a simulated chemical decontamination exercise at Skwierzyna, Poland on March 21, 2019. ( Stock Photo

RMT4DCYJ–Private First Class Yuxi Luo from Bravo Company and Higher Headquarters Company, 101st Brigade Support Battalion, dons his M50 protective mask during a simulated chemical decontamination exercise at Skwierzyna, Poland on March 21, 2019. (

RM2MCBBY9–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

U.S. Army Maj. Jerry M. Cole, the brigade plans chief assigned to the 224th Sustainment Brigade, California Army National Guard, wears the M50 Joint Service General Purpose Mask while performing his duties during Warfighter 19-1 at Camp Atterbury, Indiana, Oct. 8, 2018. Cole donned his protective mask as part of a warfighter training exercise. Stock Photo

RMR1J8AY–U.S. Army Maj. Jerry M. Cole, the brigade plans chief assigned to the 224th Sustainment Brigade, California Army National Guard, wears the M50 Joint Service General Purpose Mask while performing his duties during Warfighter 19-1 at Camp Atterbury, Indiana, Oct. 8, 2018. Cole donned his protective mask as part of a warfighter training exercise.

RM2MCBCDX–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

U.S. Sgt. William Buttner, assigned to Allied Forces North Battalion, U.S. Army NATO Brigade, briefs Soldiers about the M50 Joint Service General Purpose Mask as they train on mask confidence during Army Warrior Training on Chièvres Air Base, Belgium, March 29, 2018. Stock Photo

RMMBH5BM–U.S. Sgt. William Buttner, assigned to Allied Forces North Battalion, U.S. Army NATO Brigade, briefs Soldiers about the M50 Joint Service General Purpose Mask as they train on mask confidence during Army Warrior Training on Chièvres Air Base, Belgium, March 29, 2018.

RM2MCBBEW–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

U.S. Army Spc. Rene Cortez, intelligence analyst, and Cpt. Gary Suen, brigade intelligence officer, both assigned to the 224th Sustainment Brigade, California Army National Guard, wear the M50 Joint Service General Purpose Mask while performing their duties during Warfighter 19-1 at Camp Atterbury, Indiana, Oct. 8, 2018. Cortez and Suen donned their protective masks as part of a warfighter training exercise. Stock Photo

RMR1J8AX–U.S. Army Spc. Rene Cortez, intelligence analyst, and Cpt. Gary Suen, brigade intelligence officer, both assigned to the 224th Sustainment Brigade, California Army National Guard, wear the M50 Joint Service General Purpose Mask while performing their duties during Warfighter 19-1 at Camp Atterbury, Indiana, Oct. 8, 2018. Cortez and Suen donned their protective masks as part of a warfighter training exercise.

RM2MCBBY8–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

U.S. Soldiers assigned to Allied Forces North Battalion, U.S. Army NATO Brigade, mutually remove one of the filters of their M50 Joint Service General Purpose Mask as they train on mask confidence during Army Warrior Training inside the Chemical, Biological, Radiological and Nuclear room on Chièvres Air Base, Belgium, March 29, 2018. Stock Photo

RMMBH5C7–U.S. Soldiers assigned to Allied Forces North Battalion, U.S. Army NATO Brigade, mutually remove one of the filters of their M50 Joint Service General Purpose Mask as they train on mask confidence during Army Warrior Training inside the Chemical, Biological, Radiological and Nuclear room on Chièvres Air Base, Belgium, March 29, 2018.

RM2MCBBY2–This week, soldiers from 125th FI BN, participated in the Gas Chamber exercise. The purpose of the gas chamber is to fully understand the importance of their M50 protective mask, how to properly clear and seal said mask when coming into contact with small amounts, then finally removing their mask and being directly exposed to the gas. This proves to them that their mask does in fact work! U.S. Army Photos by Sgt. Kenyel Jones

U.S. Staff Sgt. James Havel (center), assigned to Allied Forces North Battalion, U.S. Army NATO Brigade, briefs Soldiers about the M50 Joint Service General Purpose Mask as they train on mask confidence during Army Warrior Training, inside the Chemical, Biological, Radiological and Nuclear room on Chièvres Air Base, Belgium, March 29, 2018. Stock Photo

RMMBH5BX–U.S. Staff Sgt. James Havel (center), assigned to Allied Forces North Battalion, U.S. Army NATO Brigade, briefs Soldiers about the M50 Joint Service General Purpose Mask as they train on mask confidence during Army Warrior Training, inside the Chemical, Biological, Radiological and Nuclear room on Chièvres Air Base, Belgium, March 29, 2018.

RM2NHT3DR–A Soldier assigned to 2nd Battalion, 3rd Aviation Regiment, 3rd Combat Aviation Brigade, 3rd Infantry Division, tightens the straps on his M50 protective mask during a convoy protection platform gunnery at Fort Stewart, Georgia, August 2, 2022. Soldiers donned their pro mask during part of the training exercise to show their capabilities under chemical, biological, radiological and nuclear environment.

Army Reserve Staff Sgt. John C. Behrens, a military policeman with the 805th Military Police Company, wears a M50 Protective Mask while shooting a target in the Engagement Skills Trainer (EST) II during the CBRN night fire portion of marksmanship qualification, July 26, 2022, at Camp Shelby Joint Forces Training Center in Mississippi. (Arizona Army National Guard photo by Sgt. 1st Class Brian A. Barbour) Stock Photo

RM2MDNMRC–Army Reserve Staff Sgt. John C. Behrens, a military policeman with the 805th Military Police Company, wears a M50 Protective Mask while shooting a target in the Engagement Skills Trainer (EST) II during the CBRN night fire portion of marksmanship qualification, July 26, 2022, at Camp Shelby Joint Forces Training Center in Mississippi. (Arizona Army National Guard photo by Sgt. 1st Class Brian A. Barbour)

Tech Sgt. Erica Garza, from the 127th Wing Headquarters Element, uses her M50 Protective Mask to drink from her canteen during training in chemical, biological, radiological, & nuclear (CBRN) safeguarding measures, at Selfridge Air National Guard Base. This hands-on training allows members to maintain readiness by learning ways to safely operate in contaminated environments. The ability to conduct war-fighting operations in threatening conditions gives Airmen a competitive edge in the fight. Stock Photo

RM2GKNY3D–Tech Sgt. Erica Garza, from the 127th Wing Headquarters Element, uses her M50 Protective Mask to drink from her canteen during training in chemical, biological, radiological, & nuclear (CBRN) safeguarding measures, at Selfridge Air National Guard Base. This hands-on training allows members to maintain readiness by learning ways to safely operate in contaminated environments. The ability to conduct war-fighting operations in threatening conditions gives Airmen a competitive edge in the fight.

Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division react to exposure to CS gas inside a chamber Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by Staff Sgt. Mary S. Katzenberger) Paratroopers gain confidence in M50 protective mask 141028-A-RV Stock Photo

RMHENXPA–Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division react to exposure to CS gas inside a chamber Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by Staff Sgt. Mary S. Katzenberger) Paratroopers gain confidence in M50 protective mask 141028-A-RV

Sgt. Kyle Burke, a North Carolina National Guard Soldier assigned to the 30th Armored Brigade Combat Team headquarters, presses the start button on the Protection Assessment Test System during an M50 protective mask assessment May 15, 2015, at McGregor Range, N.M. The test requires deploying Soldiers perform head movements and various breathing methods to ensure that masks are sealed properly. The 30th ABCT is scheduled to deploy this summer to Kosovo, where they’ll support the NATO peacekeeping mission in the region. (U.S. Army photo by Staff Sgt. Mary Junell, 30th Armored Brigade Combat Team Stock Photo

RMHEPD14–Sgt. Kyle Burke, a North Carolina National Guard Soldier assigned to the 30th Armored Brigade Combat Team headquarters, presses the start button on the Protection Assessment Test System during an M50 protective mask assessment May 15, 2015, at McGregor Range, N.M. The test requires deploying Soldiers perform head movements and various breathing methods to ensure that masks are sealed properly. The 30th ABCT is scheduled to deploy this summer to Kosovo, where they’ll support the NATO peacekeeping mission in the region. (U.S. Army photo by Staff Sgt. Mary Junell, 30th Armored Brigade Combat Team

U.S. Marines with the 11th Marine Expeditionary Unit, I Marine Expeditionary Force, function check their M50 joint service general purpose mask during an annual Individual Protective Equipment Confidence Exercise (IPECE) qualification on Camp Pendleton, Calif., April 5, 2023. IPECE is an annual requirement for Marines to familiarize themselves with the protective equipment used against a chemical, biological, radiological, and nuclear attack. Stock Photo

RM2R4ADA6–U.S. Marines with the 11th Marine Expeditionary Unit, I Marine Expeditionary Force, function check their M50 joint service general purpose mask during an annual Individual Protective Equipment Confidence Exercise (IPECE) qualification on Camp Pendleton, Calif., April 5, 2023. IPECE is an annual requirement for Marines to familiarize themselves with the protective equipment used against a chemical, biological, radiological, and nuclear attack.

U.S. Army Reserve Officer Training Corps cadet Derek Amann, a native of Webster, New York and student at Clarkson University attentively holds his assigned M50 protective gas-mask while listening to instruction on how to properly operate it at Fort Knox, Kentucky, July 12. ROTC cadets must successfully complete a rigorous 31-day leadership course designed to introduce cadets to the Army. The training focuses on leadership development and is intended to push the Army’s future leaders to their physical and mental limits while challenging them to discover their true leadership potential. Stock Photo

RMPJC63F–U.S. Army Reserve Officer Training Corps cadet Derek Amann, a native of Webster, New York and student at Clarkson University attentively holds his assigned M50 protective gas-mask while listening to instruction on how to properly operate it at Fort Knox, Kentucky, July 12. ROTC cadets must successfully complete a rigorous 31-day leadership course designed to introduce cadets to the Army. The training focuses on leadership development and is intended to push the Army’s future leaders to their physical and mental limits while challenging them to discover their true leadership potential.

RM2R4B5G3–U.S. Marines with the 11th Marine Expeditionary Unit, I Marine Expeditionary Force, function check their M50 joint service general purpose mask during an annual Individual Protective Equipment Confidence Exercise (IPECE) qualification on Camp Pendleton, Calif., April 5, 2023. IPECE is an annual requirement for Marines to familiarize themselves with the protective equipment used against a chemical, biological, radiological, and nuclear attack.

U.S. Air Force Airmen from the New Jersey Air National Guard's 108th Wing put on the M50 protective mask during an Ability to Survive and Operate Rodeo at the 108th Wing, Joint Base McGuire-Dix-Lakehurst, N.J., Oct. 30, 2016. (U.S. Air National Guard photo by Tech. Sgt. Matt Hecht/Released) Stock Photo

RMP1GM32–U.S. Air Force Airmen from the New Jersey Air National Guard's 108th Wing put on the M50 protective mask during an Ability to Survive and Operate Rodeo at the 108th Wing, Joint Base McGuire-Dix-Lakehurst, N.J., Oct. 30, 2016. (U.S. Air National Guard photo by Tech. Sgt. Matt Hecht/Released)

U.S. Army Reserve Cadet Summer Training instructors Sgt. Cecilio Myers (left), a native of Dade City, Florida and Staff Sgt. Chris Esguerra (right), a native of Port Orchard, Washington, teach the fundamentals of properly dawning the M50 protective gas-mask and the Joint Service Lightweight Integrated Suit Technology at Fort Knox, Kentucky, July 12. Cecilio and Myers are Cadet Summer Training instructors assigned to Task Force Wolf, 3rd Battalion, 414th Regiment, 104th Division who are spending 22 days of their U.S. Army Reserve annual training familiarizing Reserve Officer Training Corps cade Stock Photo

RMPJC62Y–U.S. Army Reserve Cadet Summer Training instructors Sgt. Cecilio Myers (left), a native of Dade City, Florida and Staff Sgt. Chris Esguerra (right), a native of Port Orchard, Washington, teach the fundamentals of properly dawning the M50 protective gas-mask and the Joint Service Lightweight Integrated Suit Technology at Fort Knox, Kentucky, July 12. Cecilio and Myers are Cadet Summer Training instructors assigned to Task Force Wolf, 3rd Battalion, 414th Regiment, 104th Division who are spending 22 days of their U.S. Army Reserve annual training familiarizing Reserve Officer Training Corps cade

U.S. Air Force Airmen from the New Jersey Air National Guard's 108th Wing are instructed on the correct use of the Joint Service Lightweight Integrated Suit Technology and the M50 protective mask during an Ability to Survive and Operate Rodeo at the 108th Wing, Joint Base McGuire-Dix-Lakehurst, N.J., Oct. 30, 2016. (U.S. Air National Guard photo by Tech. Sgt. Matt Hecht/Released) Stock Photo

RMP1GM0X–U.S. Air Force Airmen from the New Jersey Air National Guard's 108th Wing are instructed on the correct use of the Joint Service Lightweight Integrated Suit Technology and the M50 protective mask during an Ability to Survive and Operate Rodeo at the 108th Wing, Joint Base McGuire-Dix-Lakehurst, N.J., Oct. 30, 2016. (U.S. Air National Guard photo by Tech. Sgt. Matt Hecht/Released)

Troopers with Headquarters and Headquarters Company, 1st Air Cavalry Brigade, 1st Cavalry Division, prepare their masks to go into the Nuclear, Biological, Chemical gas chamber Jan. 29 at Fort Hood, Texas. Troopers attended the training to become proficient with the M50 protective mask and learn the procedures to deal with encounters of hazardous gas. (U.S. Army photo by Spc. DeMarco Wills, 1st ACB PAO, 1st Cav. Div./released) Stock Photo

RMPEW42D–Troopers with Headquarters and Headquarters Company, 1st Air Cavalry Brigade, 1st Cavalry Division, prepare their masks to go into the Nuclear, Biological, Chemical gas chamber Jan. 29 at Fort Hood, Texas. Troopers attended the training to become proficient with the M50 protective mask and learn the procedures to deal with encounters of hazardous gas. (U.S. Army photo by Spc. DeMarco Wills, 1st ACB PAO, 1st Cav. Div./released)

U.S. Marines with the 11th Marine Expeditionary Unit, I Marine Expeditionary Force, hold their partner’s M50 joint service general purpose mask filter in a gas chamber during an annual Individual Protective Equipment Confidence Exercise (IPECE) qualification in a 2-chlorobenzalmalononitrile, or CS gas, filled chamber on Camp Pendleton, Calif., April 5, 2023. IPECE is an annual requirement for Marines to familiarize themselves with the protective equipment used against a chemical, biological, radiological, and nuclear attack. Stock Photo

RM2R4CB5R–U.S. Marines with the 11th Marine Expeditionary Unit, I Marine Expeditionary Force, hold their partner’s M50 joint service general purpose mask filter in a gas chamber during an annual Individual Protective Equipment Confidence Exercise (IPECE) qualification in a 2-chlorobenzalmalononitrile, or CS gas, filled chamber on Camp Pendleton, Calif., April 5, 2023. IPECE is an annual requirement for Marines to familiarize themselves with the protective equipment used against a chemical, biological, radiological, and nuclear attack.

Specialist Mark Owens, an explosive ordnance disposal specialist with 737th Ordnance Command, dons his M50 protective mask during the CBRN qualification table portion of the U.S. Forces Command Weapons Marksmanship Competition at Fort Bragg, N.C., Sept. 21, 2015. The M50 mask provides an additional obstacle and gives the soldiers the experience of shooting in a simulated CBRN environment. (U.S. Army photo by Spc. L'Erin G. Wynn, 49th Public Affairs Detachment/Released) Stock Photo

RMPE4PKK–Specialist Mark Owens, an explosive ordnance disposal specialist with 737th Ordnance Command, dons his M50 protective mask during the CBRN qualification table portion of the U.S. Forces Command Weapons Marksmanship Competition at Fort Bragg, N.C., Sept. 21, 2015. The M50 mask provides an additional obstacle and gives the soldiers the experience of shooting in a simulated CBRN environment. (U.S. Army photo by Spc. L'Erin G. Wynn, 49th Public Affairs Detachment/Released)

Tom Weise, 375th Logistic Readiness Squadron individual protective equipment specialist, dries off an M50 gas mask after it has gone through a gas mask washer, Jan. 28, 2019, at Scott Air Force Base, Illinois. Many bases still use the hand washing method but Scott AFB is able to wash multiple masks at once to save time. Stock Photo

RMRT9FP2–Tom Weise, 375th Logistic Readiness Squadron individual protective equipment specialist, dries off an M50 gas mask after it has gone through a gas mask washer, Jan. 28, 2019, at Scott Air Force Base, Illinois. Many bases still use the hand washing method but Scott AFB is able to wash multiple masks at once to save time.

RMMKBBX4–Sgt. Devon Neta, a paralegal assigned to 2d Squadron, 2d Cavalry Regiment uses a pad from a M295 Individual Equipment Decontamination Kit to decontaminate his M50 protective mask after going through the gas chamber during a spur ride Nov. 2, 2018 in the Grafenwoehr Training Area, Germany. Neta earned his cavalry silver spurs by completing several events including a 12-mile ruck march, disassemble and reassemble several weapons, treat and evacuate a casualty, land navigation and CS gas chamber.

RMP0MA4A–U.S. Army Spc. Nathaniel Woods with the 300th Chemical Company, 485th Chemical Battalion, 415th Chemical Brigade, 76th Division, U.S. Army Reserve, secures a hood around his M50 protective mask with the help of a fellow Soldier before he enters a restricted building to collect samples to test for Norovirus at Camp Arifjan, Kuwait, June 4, 2018. Wearing proper equipment for a biological contamination situation ensures that Soldiers will not contract any disease while handling Norovirus samples. (U.S. Army photo by Spc. Adam Parent, USARCENT PAO)

RMMKBBX8–A soldier from 12th Panzer Brigade, German Army helps a soldier from 2d Cavalry Regiment adjust his M50 protective mask during a cavalry spur ride Nov. 2, 2017 in the Grafenwoehr Training Area, Germany. The event was hosted by the Regimental headquarters to bring multi-echelon and multinational teams together to have a little fun and keep the spur ride tradition alive. Events included a 12-mile ruck march, disassemble and reassemble weapons, treat and evacuate a casualty, land navigation and CS gas chamber. Everyone who completed the event were awarded silver spurs.

Specialist Octavio Acevedo, a protective security detail specialist with 82nd Airborne Division, 2nd Brigade Combat Team, Headquarters and Headquarters Company, steadies a M249 machine gun while wearing a M50 protective mask at Fort Bragg, N.C., Sept. 21, 2015. Acevedo is one of eight soldiers competing in hopes of taking first place in the U.S. Army Forces Command Weapons Marksmanship Competition M249 machine gun category. The mask provides an additional obstacle and gives the soldiers the experience of shooting in an active CBRN environment. (U.S. Army photo by Spc. L'Erin G. Wynn, 49th Publ Stock Photo

RMPE4PKD–Specialist Octavio Acevedo, a protective security detail specialist with 82nd Airborne Division, 2nd Brigade Combat Team, Headquarters and Headquarters Company, steadies a M249 machine gun while wearing a M50 protective mask at Fort Bragg, N.C., Sept. 21, 2015. Acevedo is one of eight soldiers competing in hopes of taking first place in the U.S. Army Forces Command Weapons Marksmanship Competition M249 machine gun category. The mask provides an additional obstacle and gives the soldiers the experience of shooting in an active CBRN environment. (U.S. Army photo by Spc. L'Erin G. Wynn, 49th Publ

An Airman helps his wingman secure the protective hood around the gas mask during a chemical, biological, radiological, nuclear and explosive training exercise at Eglin Air Force Base, Fla., Feb. 1. The Airmen were taught the proper procedures during the week-long event before executing the tactics by themselves during the exercise. (U.S. Air Force photo/Samuel King Jr.) Stock Photo

RMM426CB–An Airman helps his wingman secure the protective hood around the gas mask during a chemical, biological, radiological, nuclear and explosive training exercise at Eglin Air Force Base, Fla., Feb. 1. The Airmen were taught the proper procedures during the week-long event before executing the tactics by themselves during the exercise. (U.S. Air Force photo/Samuel King Jr.)

Tom Weise, 375th Logistic Readiness Squadron individual protective equipment specialist, places M50 gas masks in metal baskets before putting them in the gas mask dryer, Jan. 28, 2019, at Scott Air Force Base, Illinois. The dryer allows the gas masks to be put back out for distribution quicker than if they were air dried. This enables more Airmen to be able to get equipment all at once. Stock Photo

RMRT9FP3–Tom Weise, 375th Logistic Readiness Squadron individual protective equipment specialist, places M50 gas masks in metal baskets before putting them in the gas mask dryer, Jan. 28, 2019, at Scott Air Force Base, Illinois. The dryer allows the gas masks to be put back out for distribution quicker than if they were air dried. This enables more Airmen to be able to get equipment all at once.

RMM426C9–An Airman helps his wingman secure the protective hood around the gas mask during a chemical, biological, radiological, nuclear and explosive training exercise at Eglin Air Force Base, Fla., Feb. 1. The Airmen were taught the proper procedures during the week-long event before executing the tactics by themselves during the exercise. (U.S. Air Force photo/Samuel King Jr.)

Soldiers with the 1st Theater Sustainment Command, inspect their M50 joint service general purpose mask to gain confidence and knowledge with their protective equipment during a training event at Camp Arifjan, Kuwait, Feb. 25, 2021. The M50 joint service general purpose mask requires regular service and maintenance to remain serviceable, and Soldiers must train with the equipment to maintain proficiency and ensure readiness. Stock Photo

RM2H0FE6W–Soldiers with the 1st Theater Sustainment Command, inspect their M50 joint service general purpose mask to gain confidence and knowledge with their protective equipment during a training event at Camp Arifjan, Kuwait, Feb. 25, 2021. The M50 joint service general purpose mask requires regular service and maintenance to remain serviceable, and Soldiers must train with the equipment to maintain proficiency and ensure readiness.

U.S. Marine Corps Cpl. Austin Avila, intelligence specialist, 3rd Battalion, 2nd Marine Regiment, 2nd Marine Division poses poses for a studio portrait in a M50 joint service general protective mask on Camp Lejeune, North Carolina, Sept. 22, 2022. The portraits were taken during routine studio training designed to enhance communication strategy and operations capabilities. Stock Photo

RM2KFK7R0–U.S. Marine Corps Cpl. Austin Avila, intelligence specialist, 3rd Battalion, 2nd Marine Regiment, 2nd Marine Division poses poses for a studio portrait in a M50 joint service general protective mask on Camp Lejeune, North Carolina, Sept. 22, 2022. The portraits were taken during routine studio training designed to enhance communication strategy and operations capabilities.

A Marine with the 31st Marine Expeditionary Unit breaks the seal on an M50 gas mask as part of annual training at Camp Hansen, Okinawa, Japan, Feb. 23, 2018. Marines train to use protective equipment to guard against potential chemical, biological, radiological or nuclear hazards. As the Marine Corps' only continuously forward-deployed MEU, the 31st MEU provides a flexible force ready to perform a wide range of military operations. (U.S. Marine Corps Stock Photo

RMM99HY5–A Marine with the 31st Marine Expeditionary Unit breaks the seal on an M50 gas mask as part of annual training at Camp Hansen, Okinawa, Japan, Feb. 23, 2018. Marines train to use protective equipment to guard against potential chemical, biological, radiological or nuclear hazards. As the Marine Corps' only continuously forward-deployed MEU, the 31st MEU provides a flexible force ready to perform a wide range of military operations. (U.S. Marine Corps

RM2MMRW33–U.S. Marine Corps Cpl. Austin Avila, intelligence specialist, 3rd Battalion, 2nd Marine Regiment, 2nd Marine Division poses poses for a studio portrait in a M50 joint service general protective mask on Camp Lejeune, North Carolina, Sept. 22, 2022. The portraits were taken during routine studio training designed to enhance communication strategy and operations capabilities.

FORT CARSON, Colo. – Participants from the Peterson-Schriever Garrison wore Mission Oriented Protective Posture (MOPP) gear during the chemical, biological, radiological and nuclear defense exercise at Camp Red Devil on Fort Carson, Colorado, Aug. 18, 2021. The M50 joint service general purpose gas mask is worn to prevent against CBRN threats and is currently being fielded to all of the U.S. military branches. Stock Photo

RM2GK6XRR–FORT CARSON, Colo. – Participants from the Peterson-Schriever Garrison wore Mission Oriented Protective Posture (MOPP) gear during the chemical, biological, radiological and nuclear defense exercise at Camp Red Devil on Fort Carson, Colorado, Aug. 18, 2021. The M50 joint service general purpose gas mask is worn to prevent against CBRN threats and is currently being fielded to all of the U.S. military branches.

U.S. Air Force Senior Airman Cheryl Rivera, an aircraft maintenance specialist with the 156th Contingency Response Group, inspects her M50 gas mask along with her chemical, biological, radiological and nuclear protective equipment at Muñiz Air National Guard Base, Puerto Rico, April 18, 2022. The 156th Logistics Readiness Squadron ensured all equipment issued to 156th CRG Airmen was serviceable and complete to support their participation in Southern Strike 2022. Stock Photo

RM2M68DPW–U.S. Air Force Senior Airman Cheryl Rivera, an aircraft maintenance specialist with the 156th Contingency Response Group, inspects her M50 gas mask along with her chemical, biological, radiological and nuclear protective equipment at Muñiz Air National Guard Base, Puerto Rico, April 18, 2022. The 156th Logistics Readiness Squadron ensured all equipment issued to 156th CRG Airmen was serviceable and complete to support their participation in Southern Strike 2022.

U.S. Army Spc. Maceala Mouser, a motor transport operator with the 720th Transportation Company, dons her M50 Joint Service General Protective Mask as part of her Mission Oriented Protection Posture during chemical, biological, radiological, nuclear training at Camp Buehring, Kuwait, May 26, 2021. Soldiers entered a chamber with 2-chlorobenzalmalononitrile, also known as CS gas, a component of tear gas, to ensure their equipment was working properly and they had confidence in it. Stock Photo

RM2GKMEBH–U.S. Army Spc. Maceala Mouser, a motor transport operator with the 720th Transportation Company, dons her M50 Joint Service General Protective Mask as part of her Mission Oriented Protection Posture during chemical, biological, radiological, nuclear training at Camp Buehring, Kuwait, May 26, 2021. Soldiers entered a chamber with 2-chlorobenzalmalononitrile, also known as CS gas, a component of tear gas, to ensure their equipment was working properly and they had confidence in it.

U.S. Marine Corps Chief Warrant Officer 3 Kevin Boswell, a chemical biological radiological and nuclear defense officer assigned to the 13th Marine Expeditionary Unit, checks the proper wear and functionality of each Marines’ M50 Joint Service General Purpose Mask (JSGPM), prior to them conducting their mandatory annual Individual Protective Equipment Confidence Exercise (IPECE) at the 43 Area Gas Chamber facility, Camp Pendleton, California, Jan. 30, 2018. (U.S. Marine Corps Stock Photo

RMM28E16–U.S. Marine Corps Chief Warrant Officer 3 Kevin Boswell, a chemical biological radiological and nuclear defense officer assigned to the 13th Marine Expeditionary Unit, checks the proper wear and functionality of each Marines’ M50 Joint Service General Purpose Mask (JSGPM), prior to them conducting their mandatory annual Individual Protective Equipment Confidence Exercise (IPECE) at the 43 Area Gas Chamber facility, Camp Pendleton, California, Jan. 30, 2018. (U.S. Marine Corps

U.S. Army Staff Sgt. Jaime Herravega, a recruiting and retention non-commissioned officer assigned to Detachment One, 6th Recruiting and Retention Battalion, Connecticut Army National Guard, engages a target on the Essential Skills Trainer II, or EST II, while wearing an M50 Joint Service General Protective Mask, at Camp Nett, Niantic, Connecticut, Aug. 6, 2021. The EST II allows soldiers to train and improve their marksmanship in simulated contaminated environments and in simulated nighttime environments. Stock Photo

RM2GK5DMG–U.S. Army Staff Sgt. Jaime Herravega, a recruiting and retention non-commissioned officer assigned to Detachment One, 6th Recruiting and Retention Battalion, Connecticut Army National Guard, engages a target on the Essential Skills Trainer II, or EST II, while wearing an M50 Joint Service General Protective Mask, at Camp Nett, Niantic, Connecticut, Aug. 6, 2021. The EST II allows soldiers to train and improve their marksmanship in simulated contaminated environments and in simulated nighttime environments.

U.S. Marine Corps Cpl. Joshua Agreda, a supply noncommissioned officer assigned to the 13th Marine Expeditionary Unit, demonstrates how to properly drink from a canteen while wearing the M50 Joint Service General Purpose Mask (JSGPM) at the 43 Area Gas Chamber facility, Camp Pendleton, California, Jan. 30, 2018. Marines are required to receive Individual Protective Equipment Confidence training annually, which includes the proper fitting, maintenance and employment of the gas mask. (U.S. Marine Corps Stock Photo

RMM28E0Y–U.S. Marine Corps Cpl. Joshua Agreda, a supply noncommissioned officer assigned to the 13th Marine Expeditionary Unit, demonstrates how to properly drink from a canteen while wearing the M50 Joint Service General Purpose Mask (JSGPM) at the 43 Area Gas Chamber facility, Camp Pendleton, California, Jan. 30, 2018. Marines are required to receive Individual Protective Equipment Confidence training annually, which includes the proper fitting, maintenance and employment of the gas mask. (U.S. Marine Corps

U.S. Army Spc. Ramses Jeudy, a wheeled vehicle mechanic assigned to Detachment One, 6th Recruiting and Retention Battalion, Connecticut Army National Guard, engages a target on the Essential Skills Trainer II, or EST II, while wearing an M50 Joint Service General Protective Mask, at Camp Nett, Niantic, Connecticut, Aug. 6, 2021. The EST II allows soldiers to train in simulated contaminated environments and become familar with shooting with thier M50 masks. Stock Photo

RM2GK5DNF–U.S. Army Spc. Ramses Jeudy, a wheeled vehicle mechanic assigned to Detachment One, 6th Recruiting and Retention Battalion, Connecticut Army National Guard, engages a target on the Essential Skills Trainer II, or EST II, while wearing an M50 Joint Service General Protective Mask, at Camp Nett, Niantic, Connecticut, Aug. 6, 2021. The EST II allows soldiers to train in simulated contaminated environments and become familar with shooting with thier M50 masks.

U.S. Marine Corps Lance Cpl. Nolan Goff, a chemical, biological, radiological, and nuclear defense specialist, with Marine Wing Support Squadron (MWSS) 171, explains the capabilities of the M61 filters for the M50 joint service general protective mask during Kamoshika Wrath 23 at Haramura Maneuver Area, Hiroshima, Japan, March 20, 2023. Kamoshika Wrath is an annual field exercise that provides realistic training to Marines with MWSS-171 where they hone and develop skills to remain mission ready while being forward-postured in the Indo-Pacific Stock Photo

RM2R48PNR–U.S. Marine Corps Lance Cpl. Nolan Goff, a chemical, biological, radiological, and nuclear defense specialist, with Marine Wing Support Squadron (MWSS) 171, explains the capabilities of the M61 filters for the M50 joint service general protective mask during Kamoshika Wrath 23 at Haramura Maneuver Area, Hiroshima, Japan, March 20, 2023. Kamoshika Wrath is an annual field exercise that provides realistic training to Marines with MWSS-171 where they hone and develop skills to remain mission ready while being forward-postured in the Indo-Pacific

U.S. Air Force Staff Sgt. James Bowen, an emergency management craftsman assigned to the 106th Civil Engineer Squadron, New York Air National Guard, tightens his M50 protective gas mask during the Chemical, Biological, Radiological and Nuclear portion of training being conducted at Fort Indiantown Gap, Pa., May 19, 2021. Emergency management Airmen assigned to FEMA region 2 are completing biannual proficiency and upgrade training during a two week long exercise designed to emulate a contingency environment. Stock Photo

RM2GKKPNX–U.S. Air Force Staff Sgt. James Bowen, an emergency management craftsman assigned to the 106th Civil Engineer Squadron, New York Air National Guard, tightens his M50 protective gas mask during the Chemical, Biological, Radiological and Nuclear portion of training being conducted at Fort Indiantown Gap, Pa., May 19, 2021. Emergency management Airmen assigned to FEMA region 2 are completing biannual proficiency and upgrade training during a two week long exercise designed to emulate a contingency environment.

A U.S. Marine presents his mission oriented protective posture gear to the instructor during gas chamber training at Marine Corps Air Station Futenma, Okinawa, Japan, July 26, 2018. Annually, Marines are required to train in the gas chamber to build confidence. Marines need to be prepared in the event of a gas attack so he or she can calmly react and properly don his or her mask. Stock Photo

RMPKE6M9–A U.S. Marine presents his mission oriented protective posture gear to the instructor during gas chamber training at Marine Corps Air Station Futenma, Okinawa, Japan, July 26, 2018. Annually, Marines are required to train in the gas chamber to build confidence. Marines need to be prepared in the event of a gas attack so he or she can calmly react and properly don his or her mask.

U.S. Air Force Tech Sgt. Lorraine Martinek, an emergency management craftsman, holds M50 protective gas mask while Senior Airman Karl Spindler, emergency management craftsman, both assigned to the 105th Civil Engineer Squadron, New York Air National Guard, demonstrates decontamination techniques during the Chemical, Biological, Radiological and Nuclear portion of the training being conducted at Fort Indiantown Gap, Pa., May 19, 2021. Emergency management Airmen assigned to FEMA region 2, complete biannual proficiency and upgrade training during a two week long exercise designed to emulate a co Stock Photo

RM2GKKPTB–U.S. Air Force Tech Sgt. Lorraine Martinek, an emergency management craftsman, holds M50 protective gas mask while Senior Airman Karl Spindler, emergency management craftsman, both assigned to the 105th Civil Engineer Squadron, New York Air National Guard, demonstrates decontamination techniques during the Chemical, Biological, Radiological and Nuclear portion of the training being conducted at Fort Indiantown Gap, Pa., May 19, 2021. Emergency management Airmen assigned to FEMA region 2, complete biannual proficiency and upgrade training during a two week long exercise designed to emulate a co

A U.S. Airman assigned to the 673d Air Base Wing dons an M50 Joint Service General Purpose Mask as part of mission-oriented protective posture level four during Polar Force 21-5 at Joint Base Elmendorf-Richardson, Alaska, April 5, 2021. Polar Force is an exercise designed to test JBER’s mission readiness as well as honing Airmen’s skills and techniques in a simulated expeditionary environment. Airmen refined their contingency tactics, techniques and procedures to support the base's ability to integrate, mobilize, and prepare assigned personnel, aircraft and equipment for a wartime mission. Stock Photo

RM2GKF3X4–A U.S. Airman assigned to the 673d Air Base Wing dons an M50 Joint Service General Purpose Mask as part of mission-oriented protective posture level four during Polar Force 21-5 at Joint Base Elmendorf-Richardson, Alaska, April 5, 2021. Polar Force is an exercise designed to test JBER’s mission readiness as well as honing Airmen’s skills and techniques in a simulated expeditionary environment. Airmen refined their contingency tactics, techniques and procedures to support the base's ability to integrate, mobilize, and prepare assigned personnel, aircraft and equipment for a wartime mission.

U.S. Marine Corps Lance Cpl. Fantasia Bradley, an engineer equipment operator with 3rd Landing support Battalion, Combat Logistics Regiment 3, 3rd Marine Logistics Group, breaks the seal of her M50 joint service general purpose mask during drills for annual Individual Protective Equipment Confidence Exercise qualification at Marine Corps Air Station Futenma, Okinawa, Japan, June 8, 2022. 3rd MLG, based out of Okinawa, Japan, is a forward deployed combat unit that serves as III MEF’s comprehensive logistics and combat service support backbone for operations throughout the Indo-Pacific area of r Stock Photo

RM2MCPFW6–U.S. Marine Corps Lance Cpl. Fantasia Bradley, an engineer equipment operator with 3rd Landing support Battalion, Combat Logistics Regiment 3, 3rd Marine Logistics Group, breaks the seal of her M50 joint service general purpose mask during drills for annual Individual Protective Equipment Confidence Exercise qualification at Marine Corps Air Station Futenma, Okinawa, Japan, June 8, 2022. 3rd MLG, based out of Okinawa, Japan, is a forward deployed combat unit that serves as III MEF’s comprehensive logistics and combat service support backbone for operations throughout the Indo-Pacific area of r

A U.S. Marine removes his mission oriented protective posture gear during gas chamber training at Marine Corps Air Station Futenma, Okinawa, Japan, July 26, 2018. Annually, Marines are required to train in the gas chamber to build confidence. Marines need to be prepared in the event of a gas attack so he or she can calmly react and properly don his or her mask. Stock Photo

RMPKE6MA–A U.S. Marine removes his mission oriented protective posture gear during gas chamber training at Marine Corps Air Station Futenma, Okinawa, Japan, July 26, 2018. Annually, Marines are required to train in the gas chamber to build confidence. Marines need to be prepared in the event of a gas attack so he or she can calmly react and properly don his or her mask.

U.S. Marine Corps Lance Cpl. Fantasia Bradley, an engineer equipment operator with 3d Landing support Battalion, Combat Logistics Regiment 3, 3rd Marine Logistics Group, breaks the seal of her M50 joint service general purpose mask during an Individual Protective Equipment Confidence Exercise at Marine Corps Air Station Futenma, Okinawa, Japan, June 8, 2022. Marines conduct IPECE training annually to ensure their ability to operate in a CBRN environment. 3rd MLG, based out of Okinawa, Japan, is a forward deployed combat unit that serves as III MEF’s comprehensive logistics and combat service s Stock Photo

RM2MCT1P4–U.S. Marine Corps Lance Cpl. Fantasia Bradley, an engineer equipment operator with 3d Landing support Battalion, Combat Logistics Regiment 3, 3rd Marine Logistics Group, breaks the seal of her M50 joint service general purpose mask during an Individual Protective Equipment Confidence Exercise at Marine Corps Air Station Futenma, Okinawa, Japan, June 8, 2022. Marines conduct IPECE training annually to ensure their ability to operate in a CBRN environment. 3rd MLG, based out of Okinawa, Japan, is a forward deployed combat unit that serves as III MEF’s comprehensive logistics and combat service s

Corporal Mauliola J. Watson, the Chemical Biological Radiological Nuclear Defense chief for 2nd Tank Battalion, 2nd Marine Division, and native of Hilo, Hawaii, teaches Marines about the M50 field protective mask during a month-long field exercise at Ft. Pickett, Va., April 4, 2014. Marines with the battalion completed individual survival standards as part of their annual training requirement. 2nd Tanks gets gassed 140404-M-BW898-001 Stock Photo

RMHF22HD–Corporal Mauliola J. Watson, the Chemical Biological Radiological Nuclear Defense chief for 2nd Tank Battalion, 2nd Marine Division, and native of Hilo, Hawaii, teaches Marines about the M50 field protective mask during a month-long field exercise at Ft. Pickett, Va., April 4, 2014. Marines with the battalion completed individual survival standards as part of their annual training requirement. 2nd Tanks gets gassed 140404-M-BW898-001

Cpl. Robert Mendez, left, and Lance Cpl. Xaviar Olivo, right, of the 24th Marine Expeditionary Unit, examine each others' M50 Joint Service General Purpose Gas Mask for deficiencies during a gas training exercise at the Marine Corps Base Gas Chamber on Camp Lejeune, N.C., Feb. 3. Marines with the 24th MEU trained on the new M50 JSGPM, which has been phasing out the 1980s-era M40 Field Protective Mask across the Marine Corps since September 2009. 24th MEU MarinesE28099 walk in the woods gets gaseous DVIDS365773 Stock Photo

RMHEX842–Cpl. Robert Mendez, left, and Lance Cpl. Xaviar Olivo, right, of the 24th Marine Expeditionary Unit, examine each others' M50 Joint Service General Purpose Gas Mask for deficiencies during a gas training exercise at the Marine Corps Base Gas Chamber on Camp Lejeune, N.C., Feb. 3. Marines with the 24th MEU trained on the new M50 JSGPM, which has been phasing out the 1980s-era M40 Field Protective Mask across the Marine Corps since September 2009. 24th MEU MarinesE28099 walk in the woods gets gaseous DVIDS365773

Christopher Greene, 375th Logistic Readiness Squadron individual protective equipment specialist, makes sure all the parts of the M50 gas mask are attached before placing it back on the shelf, Jan. 28, 2019, at Scott Air Force Base, Illinois. After all of the parts of the gas mask are put back and it is tested, the mask can stay on the shelf for three years without being used before it has to be tested again. Stock Photo

RMRT9FP8–Christopher Greene, 375th Logistic Readiness Squadron individual protective equipment specialist, makes sure all the parts of the M50 gas mask are attached before placing it back on the shelf, Jan. 28, 2019, at Scott Air Force Base, Illinois. After all of the parts of the gas mask are put back and it is tested, the mask can stay on the shelf for three years without being used before it has to be tested again.

Gunnery Sgt. Clinton Schwarz, a chemical, biological, and radiological chief with the 24th Marine Expeditionary Unit, gives a brief about the M50 Joint Service General Purpose Gas Mask prior to a gas training exercise at the Marine Corps Base Gas Chamber on Camp Lejeune, N.C., Feb. 3. Marines with the 24th MEU trained on the new M50 JSGPM, M50 Joint Service General Purpose Gas Masks, which has been phasing out the 1980s-era M40 Field Protective Mask across the Marine Corps since September 2009. 24th MEU Marines' walk in the woods gets gaseous DVIDS365771 Stock Photo

RMHEX841–Gunnery Sgt. Clinton Schwarz, a chemical, biological, and radiological chief with the 24th Marine Expeditionary Unit, gives a brief about the M50 Joint Service General Purpose Gas Mask prior to a gas training exercise at the Marine Corps Base Gas Chamber on Camp Lejeune, N.C., Feb. 3. Marines with the 24th MEU trained on the new M50 JSGPM, M50 Joint Service General Purpose Gas Masks, which has been phasing out the 1980s-era M40 Field Protective Mask across the Marine Corps since September 2009. 24th MEU Marines' walk in the woods gets gaseous DVIDS365771

Marines with 2nd Tank Battalion, 2nd Marine Division, dressed in mission oriented protective posture gear and an M50 field protective mask prepare to enter the gas chamber in Fort Pickett, Va., April 4, 2014. MOPP gear is designed to keep a service member safe from contamination contaminated environment for up to 24 hours. 2nd Tanks gets gassed 140404-M-BW898-005 Stock Photo

RMHF22HG–Marines with 2nd Tank Battalion, 2nd Marine Division, dressed in mission oriented protective posture gear and an M50 field protective mask prepare to enter the gas chamber in Fort Pickett, Va., April 4, 2014. MOPP gear is designed to keep a service member safe from contamination contaminated environment for up to 24 hours. 2nd Tanks gets gassed 140404-M-BW898-005

Christopher Greene, 375th Logistic Readiness Squadron individual protective equipment specialist, adjusts the straps on an M50 gas mask while it is placed over a Joint Service Mask Leakage Tester, Jan. 28, 2019, at Scott Air Force Base, Illinois. The gas mask tester ensures that the gas mask is able to get a good seal while someone is wearing it. This ensures harmful chemicals cannot seep through the mask while it is on the wearer. Stock Photo

RMRT9FP6–Christopher Greene, 375th Logistic Readiness Squadron individual protective equipment specialist, adjusts the straps on an M50 gas mask while it is placed over a Joint Service Mask Leakage Tester, Jan. 28, 2019, at Scott Air Force Base, Illinois. The gas mask tester ensures that the gas mask is able to get a good seal while someone is wearing it. This ensures harmful chemicals cannot seep through the mask while it is on the wearer.

Private Zachary K. Guzdek, a motor transportation operator with 2nd Tank Battalion, 2nd Marine Division, and Oakfield, N.Y., native, safety checks his M50 field protective mask before entering a gas chamber in Ft. Pickett, Va., April 4, 2014. Marines with the battalion completed individual survival standards as part of their annual training requirement for. 2nd Tanks gets gassed 140404-M-BW898-003 Stock Photo

RMHF22HC–Private Zachary K. Guzdek, a motor transportation operator with 2nd Tank Battalion, 2nd Marine Division, and Oakfield, N.Y., native, safety checks his M50 field protective mask before entering a gas chamber in Ft. Pickett, Va., April 4, 2014. Marines with the battalion completed individual survival standards as part of their annual training requirement for. 2nd Tanks gets gassed 140404-M-BW898-003

Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division connect their drinking tubes from the M50 joint service general purpose mask to their canteens while inside a chamber filled with CS gas, Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by Sta Stock Photo

RMHENXP7–Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division connect their drinking tubes from the M50 joint service general purpose mask to their canteens while inside a chamber filled with CS gas, Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by Sta

U.S. Army Spc. Sandra Cruz, assigned to the Schinnen Military Police at U.S. Army Garrison Benelux, dons her M50 Joint Service General Purpose Mask fits tightly as she performs chemical, biological, radiological and nuclear, or CBRN, defense for the garrison's Best Warrior Competition on Chièvres Air Base, Belgium, Feb. 21, 2018. Stock Photo

RMMB4YMJ–U.S. Army Spc. Sandra Cruz, assigned to the Schinnen Military Police at U.S. Army Garrison Benelux, dons her M50 Joint Service General Purpose Mask fits tightly as she performs chemical, biological, radiological and nuclear, or CBRN, defense for the garrison's Best Warrior Competition on Chièvres Air Base, Belgium, Feb. 21, 2018.

Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division run in place inside a chamber filled with CS gas, Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued M50 joint service general purpose masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The mask replaces the M40 field protective mask. (U.S. Army photo by Staff Sgt. Mary S. Katzenberger) Paratroopers gain confi Stock Photo

RMHENXP6–Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division run in place inside a chamber filled with CS gas, Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued M50 joint service general purpose masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The mask replaces the M40 field protective mask. (U.S. Army photo by Staff Sgt. Mary S. Katzenberger) Paratroopers gain confi

U.S. Air Force Airmen take turns ensuring mission-oriented protective posture equipment is properly secured during a training session March 29, 2018, at Kadena Air Base, Japan. The M50 Joint Service General Protection Mask has a port allowing wearers to drink from approved canteens while wearing it. Stock Photo

RMMD0N9F–U.S. Air Force Airmen take turns ensuring mission-oriented protective posture equipment is properly secured during a training session March 29, 2018, at Kadena Air Base, Japan. The M50 Joint Service General Protection Mask has a port allowing wearers to drink from approved canteens while wearing it.

Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division reseal their M50 joint service general purpose masks inside a chamber filled with CS gas Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by Staff Sgt. Mary S. Katzenberger) Paratroopers gain c Stock Photo

RMHENXP8–Paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division reseal their M50 joint service general purpose masks inside a chamber filled with CS gas Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by Staff Sgt. Mary S. Katzenberger) Paratroopers gain c

Tech. Sgt. Surnicke Graham, noncommissioned officer in charge of the 673d Logistics Readiness Squadron Individual Protective Equipment Element, inspects a Joint Service General Purpose Mask (JSGPM) M50, Jan. 17, 2018, at Joint Base Elmendorf-Richardson, Alaska. The 673d LRS/IPE is responsible for inspecting all Chemical, Biological, Radiological, and Nuclear IPE. Stock Photo

RMRJERGF–Tech. Sgt. Surnicke Graham, noncommissioned officer in charge of the 673d Logistics Readiness Squadron Individual Protective Equipment Element, inspects a Joint Service General Purpose Mask (JSGPM) M50, Jan. 17, 2018, at Joint Base Elmendorf-Richardson, Alaska. The 673d LRS/IPE is responsible for inspecting all Chemical, Biological, Radiological, and Nuclear IPE.

Sgt. Osvaldo J. Vives and Spc. Jose A. Guilarte, paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division, prepare capsules containing CS gas for a training event Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued M50 joint service general purpose masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by S Stock Photo

RMHENXP9–Sgt. Osvaldo J. Vives and Spc. Jose A. Guilarte, paratroopers assigned to 127th Engineer Battalion, 1st Brigade Combat Team, 82nd Airborne Division, prepare capsules containing CS gas for a training event Oct. 28, 2014, at Fort Bragg, N.C. Paratroopers from throughout the battalion cycled through the gas chamber to test their newly-issued M50 joint service general purpose masks, which feature twin conformal filters and provide 24 hours of continuous eye-respiratory protection in nuclear, biological and chemical environments. The M50 replaces the M40 field protective mask. (U.S. Army photo by S

Chemical, biological, radiological and nuclear defense specialists with Combat Logistics Regiment 27, 2nd Marine Logistics burn 2-chlorobenzalmalonoitrile, or CS gas, during a mask confidence exercise aboard Camp Lejeune, N.C., Oct. 31, 2013. CS, also called tear gas, creates a burning sensation on skin, eyes or in lungs and allows the service members to build confidence in their ability to properly wear of M50 Joint Service General Purpose Masks and Mission Oriented Protective Posture clothing. House of horrors, 2nd Supply Bn. Marines, sailors endure gas chamber 131031-M-DS159-080 Stock Photo

RMHF1PK9–Chemical, biological, radiological and nuclear defense specialists with Combat Logistics Regiment 27, 2nd Marine Logistics burn 2-chlorobenzalmalonoitrile, or CS gas, during a mask confidence exercise aboard Camp Lejeune, N.C., Oct. 31, 2013. CS, also called tear gas, creates a burning sensation on skin, eyes or in lungs and allows the service members to build confidence in their ability to properly wear of M50 Joint Service General Purpose Masks and Mission Oriented Protective Posture clothing. House of horrors, 2nd Supply Bn. Marines, sailors endure gas chamber 131031-M-DS159-080

U.S. Army Sgt. Terrance Simmons, assigned to the Northern Law Center, checks that Spc. Sandra Cruz, assigned to the Schinnen Military Police at U.S. Army Garrison Benelux, dons her M50 Joint Service General Purpose Mask properly as she performs chemical, biological, radiological and nuclear, or CBRN, defense for the garrison's Best Warrior Competition, on Chièvres Air Base, Belgium, Feb. 21, 2018. Stock Photo

RMMB4YMK–U.S. Army Sgt. Terrance Simmons, assigned to the Northern Law Center, checks that Spc. Sandra Cruz, assigned to the Schinnen Military Police at U.S. Army Garrison Benelux, dons her M50 Joint Service General Purpose Mask properly as she performs chemical, biological, radiological and nuclear, or CBRN, defense for the garrison's Best Warrior Competition, on Chièvres Air Base, Belgium, Feb. 21, 2018.

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