Kellie Pickler performs for a Kandahar Airfield audience Dec. 25, 2013, at the Boardwalk on KAF, Afghanistan. Pickler was part of a holiday United Service Organizations Entertainment tour. Since 2007, she has participated in seven USO tours and 75 USO Entertainment events, according to the USO Web site.
<br>Unit: 451st Air Expeditionary Wing
U.S. Air Force photo by Senior Airman Alexandria Bandin
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