University of Pittsburgh researcher Andrew Simonson attaches a maximal oxygen consumption mask to Senior Airman Brian Huhtala. Researchers measure the VO2 Max of Airmen while they conduct training missions in order to gather data in an operational environment. Huhtala is a combat controller assigned to the 22nd Special Tactics Squadron at Joint Base Lewis-McChord, Wash. ( Air Force photo/Master Sgt. Jeffrey Allen) 140617-F-CP197-535 by AirmanMagazine

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Photo credit: © Military Collection / Alamy / Afripics
License: Licensed
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