Triage at 30k ft.
U.S. Air Force Senior Airman Kasey Bober, 18th Aeromedical Evacuation Squadron technician puts on her oxygen mask during an emergency depressurization drill onboard a KC-135 Stratotanker, May 8th, 2019, out of Kadena Air Base, Japan. The 18th AES maintains a forward operating presence and supports medical contingencies in a free-and-open Indo-Pacific. (U.S. Air Force photo by Airman 1st Class Matthew Seefeldt)