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An F-22 Raptor heads out for an operational test mission. Air Force officials signed a production contract with Lockheed Martin Corp. to add 60 F-22s to the Air Force inventory by December 2011. The F-22 uses a combination of stealth, supercruise, maneuverability, and integrated avionics, coupled with improved supportability, and represents an exponential leap in warfighting capabilities. (U.S. Air Force photo/Tech. Sgt. Kevin J. Gruenwald)
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