Air Force Reserve Airman 1st Class Khalil Smalls, 339th Flight Test Squadron aircrew flight equipment helper, reassembles components of an MBU-20/P oxygen mask April 26, 2017, at Robins Air Force Base, Georgia. The mask provides pressure breathing for aircrew and reduces the probability of G-induced loss of consciousness. ( Air Force photo by Jamal D. Sutter)

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Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
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Keywords: 339, 339th, afb, afe, air, aircrew, equipment, flight, flts, force, reserve, robins, squadron, test