Senior Airman Earnest Powell, a physiology technician (PT) assigned to the 19th Aerospace Medicine Squadron High Altitude Airdrop Mission Support Center, Little Rock Air Force Base, Ark., participates in a high-altitude mission, Nov. 16, 2016. PTs are responsible for ensuring aircrew are receiving proper amounts of oxygen while flying at altitudes above 20,000 feet.

---

Size: 1733px × 1154px
Photo credit: © Apple White / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: activity, air, aircraft, airman, airmen, airpower, archive, armed, aviation, defence, defense, dma, flying, force, forces, magazine, media, military, reportage, servicemen, usa, usaf