Tech. Sgt. Corey Briggs, 455th Expeditionary Logistics Readiness Squadron cryogenics, puts on protective equipment to handle liquid oxygen, Bagram Airfield, Afghanistan, Sept. 14, 2016. Cryogenics Airmen work with liquid nitrogen and liquid oxygen that is stored into aircraft, providing aircrews with pure oxygen. ( Air Force photo by Senior Airman Justyn M. Freeman)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

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