LANGLEY AIR FORCE BASE, Va.—Staff Sgt. William Hancock uses a portable maintenance aid in preparation of a nozzle vector test of an F/A-22 Raptor engine July 15. Airmen with the 1st Component Maintenance Squadron here are going through classes and training to certify them on the new engine. (U.S. Air Force photo by Staff Sgt. Tanika Bell)
Added On | 14th September 2015 |
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