779th AMDS preps Airmen for flight
Senior Airman Christopher Connolly (center sitting), 779th Aerospace Medical Squadron physiologist, and students await the beginning of their altitude training course while inside an enclosed chamber March 16, 2017, at Joint Base Andrews, Md. All of the students were undergoing refresher training, required every five years, to test their ability to identify how their bodies reacted in an environment with varying levels of air pressure. (U.S. Air Force photo by Staff Sgt. Joe Yanik)

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Photo by: Staff Sgt. Joe Yanik |  VIRIN: 170316-F-DO192-023.JPG