260611-F-KQ059-1162

U.S. Air Force Senior Airman Christopher Velasquez, right, an aerospace physiology technician assigned to the 316th Operational Support Squadron, checks a students maks, during a decompression sickness exercise at Joint Base Andrews, Maryland, June 11, 2026. Decompression sickness is a condition caused by a rapid decrease in the air or water pressure. (U.S. Air Force photo by Senior Airman Daniel Walderbach)

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Photo by: Senior Airman Daniel Walderbach |  VIRIN: 260611-F-KQ059-1162.JPG