U.S. military personnel wait for the arrival of U.S. President Barack Obama at Bagram Air Base, December 3, 2010.
PFC. Matthew Vogelsong and other U.S. military personnel wait for the arrival of U.S. President Barack Obama at Bagram Air Base, December 3, 2010.
U.S. military personnel applaud as they wait for the arrival of U.S. President Barack Obama to arrive at Bagram Air Base, December 3, 2010.
U.S. military personnel wait for U.S. President Barack Obama to arrive at Bagram Air Base, December 3, 2010.
Military personnel stand at attention in a hanger during the playing of the National Anthem as they wait for the arrival of President Barack Obama, who made an unannounced visit to Bagram Air Field in Afghanistan, Friday, Dec. 3, 2010.
US commander in Afghanistan Gen. David Petraeus (C) gives a thumbs up as he arrives to introduce US President Barack Obama at Bagram Air Base in Afghanistan on December 3, 2010 during the president's surprise visit for the holidays.
US commander in Afghanistan General David Petraeus (R) introduces US President Barack Obama (C) at Bagram Air Base in Afghanistan December 3, 2010 during the president's surprise visit for the holidays.
U.S. President Barack Obama meets with troops at Bagram Air Base, December 3, 2010.
U.S. President Barack Obama meets with troops at Bagram Air Base, December 3, 2010.
U.S. President Barack Obama meets with troops at Bagram Air Base, December 3, 2010.
President Barack Obama greets troops at a rally during an unannounced visit at Bagram Air Field in Afghanistan, Friday, Dec. 3, 2010.
President Barack Obama greets troops at a rally during an unannounced visit at Bagram Air Field in Afghanistan, Friday, Dec. 3, 2010.
U.S. President Barack Obama meets with troops at Bagram Air Base, December 3, 2010.
U.S. President Barack Obama meets with troops at Bagram Air Base, December 3, 2010.
President Barack Obama greets troops at a rally during an unannounced visit at Bagram Air Field in Afghanistan, Friday, Dec. 3, 2010.
President Barack Obama greets members of the military at a rally during an unannounced visit at Bagram Air Field in Afghanistan, Friday, Dec. 3, 2010.
U.S. President Barack Obama meets with troops at Bagram Air Base, December 3, 2010.
President Barack Obama reaches into the crowd to greet troops at a rally during an unannounced visit at Bagram Air Field in Afghanistan, Friday, Dec. 3, 2010