An R-11 fuel truck disperses JP-8 fuel into a B-52H Stratofortress on Barksdale Air Force Base, La., Sept. 17, 2013. An R-11 fuel truck holds up to 6,000 gallons of JP-8 fuel. At its highest setting, the R-11 can pump 600 gallons of JP-8 per minute. (U.S. Air Force photo/Senior Airman Benjamin Gonsier)