02 5 / 2012

P050112PS-0491 by The White House on Flickr.Barack Obama greets U.S. troops at Bagram Air Field after a surprise visit to Afghanistan, May 1, 2012.

P050112PS-0491 by The White House on Flickr.

Barack Obama greets U.S. troops at Bagram Air Field after a surprise visit to Afghanistan, May 1, 2012.