Home : News : Photos
Service members train for high altitudes
A U.S. Army Ranger tests his oxygen mask before high-altitude training in a hypobaric altitude chamber at Langley Air Force Base, Va., Nov. 14, 2014. The Rangers are attending parachute school and must first pass testing in the chamber. (U.S. Air Force photo by Staff Sgt. Natasha Stannard/Released)

Photo by: Staff Sgt. Natasha StannardReleased  |  VIRIN: 141114-F-GX122-029.JPG