PATUXENT RIVER, MD (Nov. 29, 2012) Launch crew prepares the X-47B Unmanned Combat Air System (UCAS) demonstrator for its first land-based catapult launch. The Navy’s first-ever steam catapult launch of the pilotless X-47B ensures the vehicle can structurally handle the rigors of the aircraft-carrier environment. (U.S. Navy video/Released)
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