U.S. Navy Aviation Boatswain's Mate Fuel 3rd Class John E. Quillin, from Fuels Division, runs a fuel sample through the combined contaminated fuel detector (CCFD) at Naval Air Station Sigonella, Italy, on Aug. 23, 2006. The CCFD equipment is used to ensure purity of fuel before it is transferred to storage tanks. NAS Sigonella provides logistical support for Commander, U.S. 6th Fleet and North Atlantic Treaty Organization (NATO) forces in the Mediterranean Area. (U.S. Navy photo by Mass Communication SPECIALIST 1ST Class Brian Goyak) (Released)