A pilot tests his oxygen mask before flying at Joint Base Langley-Eustis, Va., Feb. 27, 2017. Pilots tests their oxygen masks before each flight to ensure they are in working order providing safety for the entirety of their world-wide missions.

---

Size: 1673px × 1195px
Photo credit: © Conner Flecks / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: -38, -22, -generation, af, afe, air, aircraft, aircrew, america, archive, armed, army, aviation, aviator, base, combat, command, defence, flight, force, forces, lafb, langley, military, navy, raptor, reportage, service, serviceman, servicemen, soldier, states, talon, united, usa, usaf