Into thin air: liquid oxygen keeps pilots flying
Senior Airman Laenya Maze, 36th Maintenance Squadron, electrical and environmental technician, releases built up pressure from a liquid oxygen cart Dec. 1, 2015 at Andersen Air Force Base, Guam. On a daily basis, Maze is responsible for inspecting the liquid oxygen carts for discrepancies prior to taking them to the cryogenics shop. (U.S. Air Force photo/Senior Airman Cierra Presentado)

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