721st AMXS puts Ramstein in the sky
Airmen form the 721st Aircraft Maintenance Squadron service liquid oxygen for a C-17 Globemaster III Sept. 22, 2016 at Ramstein Air Base, Germany. This aircraft had almost depleted its liquid oxygen and required two pumps to refill it instead of the usual one. (U.S. Air Force photo/Senior Airman Tryphena Mayhugh)