President Barack Obama waves ‘goodbye’ from the door of ‘Air Force One’ prior to departing Joint Base Andrews, Md., for a trip to New York, May 4, 2015. Prior to departure, Obama recognized a formation of Presidential Logistics Squadron Airmen from the 89th Airlift Wing, and moved through two four-column formations, shaking each Airman’s hand. (U.S. Air Force photo by Senior Master Sgt. Kevin Wallace/RELEASED)
Senior Master Sgt. Kevin Wallace
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