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)

PHOTO BY: Senior Airman Emily Farnsworth
VIRIN: 210826-F-MJ351-2030.JPG
FULL SIZE: 8.26 MB
Additional Details

CAMERA

NIKON D810

LENS

24.0-70.0 mm f/2.8

APERTURE

56/10

SHUTTERSPEED

1/125

ISO

640

IMAGE IS PUBLIC DOMAIN

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