LOX and loaded: Airmen supply fresh air to fleet
U.S. Air Force Senior Airman Jesse Frady, 19th Logistics Readiness Squadron fuel cryogenics journeyman, observes a liquid level gauge on a 50-gallon liquid oxygen cart March 28, 2017, at Little Rock Air Force Base, Ark. Oxygen is pressurized and cooled into a liquid state in order to transport it more efficiently from cryogenic tanks to aircraft. (U.S. Air Force photo by Airman 1st Class Kevin Sommer Giron)

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Photo by: Airman 1st Class Kevin Sommer Giron |  VIRIN: 170328-F-RA696-1030.JPG