Fuel is the blood of an aircraft
U.S. Air Force Airman 1st Class Charles Jones (left) and Staff Sgt. Jeremy Varney transfer liquid oxygen from a 600-gallon tank to a 50-gallon cart on Seymour Johnson Air Force Base, N.C., April 25, 2012. Liquid oxygen is utilized on F-15E Strike Eagles, giving pilots the ability to breathe at high altitudes. Jones, 4th Logistics Readiness Squadron fuels distribution operator, is from Panama City, Fla. Varney, 4th LRS facilities supervisor, hails from Biloxi, Miss. (U.S. Air Force photo/Airman 1st Class John Nieves Camacho/Released)