AF-18, the Air Force's first Global Hawk Block 40 remotely piloted aircraft, has completed envelope-expansion flights, about six months after its maiden flight, announced prime contractor Northrop Grumman, July 19, 2010. The next step is for integration of the sophisticated MP-RTIP radar system on AF-18 for operational testing of the new Global Hawk configuration. Here, AF-18 airborne during its first flight, Nov., 16, 2009.
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