Aircraft electrical and environmental system technicians with the 509th and 131st Aircraft Maintenance Squadrons set up a cabin pressure tester cart at Whiteman Air Force Base, Mo., July 27, 2017. Cabin pressurization creates a safe and comfortable environment for the pilots when they fly missions at altitudes as high as 50,000 feet.

---

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

Keywords: -2, 509th, air, aircraft, altitudes, america, amxs, archive, armed, army, defence, electrical, environmental, fly, force, forces, maintenance, military, mission, navy, pressurization, propulsion, reportage, service, serviceman, servicemen, soldier, spirit, squadron, states, system, united, usa