President Barack Obama bids farewell to Col. J.C. Millard, 89th Airlift Wing commander, as 89th AW Airmen salute the Commander-in-Chief at Joint Base Andrews, Md., July 15, 2015. Obama departed Andrews aboard an 89th AW C-32A. (U.S. Air Force photo by Senior Master Sgt. Kevin Wallace/RELEASED)
Senior Master Sgt. Kevin Wallace
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