1-40 CAV runs gas chamber for best squad competition

A U.S. Army paratrooper assigned to the 3rd Battalion, 509th Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, dons Joint Service Lightweight Integrated Suit Technology during the Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4/25th IBCT completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

A U.S. Army Soldier assigned to the 3rd Battalion, 509th Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, dons his M50 Joint Service General Purpose Mask before entering the Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4/25th IBCT completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

U.S. Army 2nd Lt. Ryan Chabak, the squadron Chemical, Biological, Radiological and Nuclear officer in charge assigned to Headquarters and Headquarters Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, vaporizes o-Chlorobenzylidene malononitrile (CS) tablets to create non-lethal CS gas for CBRN defense training at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Chabak ran the CBRN defense station during the 4/25th IBCT best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

U.S. Army 2nd Lt. Ryan Chabak, the squadron Chemical, Biological, Radiological and Nuclear officer in charge assigned to Headquarters and Headquarters Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, vaporizes o-Chlorobenzylidene malononitrile (CS) tablets to create non-lethal CS gas for CBRN defense training at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Chabak ran the CBRN defense station during the 4/25th IBCT best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

U.S. Army Pfc. Tony Chu, a combat medic assigned to Headquarters and Headquarters Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, watches Chemical, Biological, Radiological and Nuclear defense training while exposed to non-lethal o-Chlorobenzylidene malononitrile (CS) gas at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Chu was a medic at the CBRN defense station during the 4/25th IBCT best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

U.S. Army Pfc. Michael Gallagher, a combat medic assigned to Headquarters and Headquarters Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, does pushups while exposed to non-lethal o-Chlorobenzylidene malononitrile (CS) gas while setting up Chemical, Biological, Radiological and Nuclear defense training at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Gallagher was a medic at the CBRN defense station during the 4/25th IBCT best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

U.S. Army Pfc. Michael Gallagher, a combat medic assigned to Headquarters and Headquarters Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, rinses his eyes after being exposed to non-lethal o-Chlorobenzylidene malononitrile (CS) gas while setting up a Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Gallagher was a medic at the CBRN defense station during the 4/25th IBCT best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

o-Chlorobenzylidene malononitrile (CS) tablets create non-lethal CS gas for a Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

A U.S. Army paratrooper assigned to the 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, dons Joint Service Lightweight Integrated Suit Technology during the Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4/25th IBCT completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

A U.S. Army paratrooper assigned to the 1st Battalion, 501st Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, completes the Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4/25th IBCT completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

U.S. Army Pfc. Michael Gallagher, a combat medic, and U.S. Army 2nd Lt. Ryan Chabak, the squadron Chemical, Biological, Radiological and Nuclear officer in charge, both assigned to Headquarters and Headquarters Troop, 1st Squadron (Airborne), 40th Cavalry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, vaporize o-Chlorobenzylidene malononitrile (CS) tablets to create non-lethal CS gas for a CBRN defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4/25th IBCT completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)

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1-40 CAV runs gas chamber for best squad competition

Published Aug. 31, 2021
By Senior Airman Emily Farnsworth
673d Air Base Wing Public Affairs

JOINT BASE ELMENDORF-RICHARDSON, Alaska -- A U.S. Army paratrooper assigned to the 3rd Battalion, 509th Parachute Infantry Regiment, 4th Infantry Brigade Combat Team (Airborne), 25th Infantry Division, U.S. Army Alaska, dons Joint Service Lightweight Integrated Suit Technology during the Chemical, Biological, Radiological and Nuclear defense station at Joint Base Elmendorf-Richardson, Alaska, Aug. 26, 2021. Soldiers assigned to the 4/25th IBCT completed various stations for a best squad competition. (U.S. Air Force photo by Senior Airman Emily Farnsworth)