Tech Sgt. Chris Marsh, an 89th Maintenance Group flying crew chief, inspects a C-32A engine during a post-flight inspection, March 11, 2015. Marsh entered the Air Force in 1996 and is part the Special Air Mission team at Joint Base Andrews, Md. (U.S. Air Force photo by Senior Master Sgt. Kevin Wallace/RELEASED)
Senior Master Sgt. Kevin Wallace
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