Flying crew chiefs keep the mission going
U.S. Air Force Staff Sgt. Alec Havens, 60th Aircraft Maintenance Squadron flying crew chief, inputs oxygen into a KC-10 Extender at Travis Air Force Base, California, Dec. 19, 2022. The system supplies oxygen to the aircrew in the case of an emergency; it is the FCC’s responsibility to ensure the oxygen system is always serviced to its optimal range for flight. (U.S. Air Force photo by Senior Airman Alexander Merchak)
SrA Alexander Merchak
70.0-200.0 mm f/2.8
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