AF tests in-flight respiratory monitoring
A U.S. Air Force Physiology technician temporarily assigned to the 19th Aerospace Medicine Squadron’s High Altitude Airdrop Mission Support unit buckles his oxygen mask as he prepares for a High Altitude, Low Open parachute jump from a C-130 Hercules at Little Rock Air Force Base, Arkansas, Nov. 16, 2016. (U.S. Air Force photo)

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Tags: USAF, Airborne, C-130
Photo by: U.S. Air Force |  VIRIN: 161116-F-CJ989-014.JPG