A Marine clears his M50 gas mask during annual gas chamber qualifications at landing zone Boondocker, Marine Corps Base Hawaii, Sept. 30, 2014. ( Marine Corps photo by Cpl. Matthew Callahan/Released) Inside a Marine gas chamber 140930-M-IN448-032

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Size: 1917px × 1304px
Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: annual, armed, base, biological, burning, chamber, chemical, conflict, corps, cs, forces, gas, hawaii, marine, marines, military, nuclear, radiological, states, training, united, usmc, war