Airman Wesley Boykin, 362nd Training Squadron crew chief apprentice course student, removes and installs the liquid oxygen converter on an A-10 Thunderbolt at Sheppard Air Force Base, Texas, Jan. 23, 2018. The liquid oxygen converter holds all the oxygen for the pilot while in flight. Boykin is in block four of six and scheduled to graduate March 9.

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Size: 1731px × 1155px
Photo credit: © Nelly George / Alamy / Afripics
License: Licensed
Model Released: No

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