A full bladder
NAVAL AIR AND ENGINEERING STATION LAKEHURST, N.J. -- Senior Airman Roger Robbins fills a 50-gallon fuel bladder with diesel fuel to heat field showers during an Eagle Flag exercise here July 25. Airman Robbins is a fuels specialist from the 52nd Logistics Readiness Squadron at Spangdahlem Air Base, Germany. (U.S. Air Force photo by Capt. Phillip Ulmer)