ELLSWORTH AIR FORCE BASE, S.D. - Tech. Sgt. Ryan Peters, 28th Logistics Readiness Squadron fuels distribution NCO in-charge, releases pressure from a differential pressure gauge, Sept. 14. The 28 LRS fuels management flight ensures more than 18-million gallons of quality petroleum products, cryogenic fluids and missile propellants are acquired or produced and issued safely and efficiently to using organizations, annually. (U.S. Air Force photo/Staff Sgt. Marc I. Lane)