Air Force Airman 1st Class Alexander McCall, a crew chief with the 315th Aircraft Maintenance Squadron, services a C-17 Globemaster III aircraft?s liquid oxygen converter following a local training mission at Charleston Air Force Base, , Dec. 9, 2009. Staff Sgt. Clay Lancaster, Air Force

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Photo credit: © PJF Military Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: air, airforce, force, jcccproducts, military, states, unclassified, united, usa