
U.S. Army soldiers from Task Force Denali Platoon 1-40 CAV sing Christmas carols during a Christmas Eve service at FOB Clark in Khowst province, Afghanistan, December 24, 2009.

U.S. Army soldiers from Task Force Denali Platoon 1-40 CAV sing Christmas carols during a Christmas Eve service at FOB Clark in Khowst province, Afghanistan, December 24, 2009.

U.S. Army soldiers from Task Force Denali Platoon 1-40 CAV sing Christmas carols during a Christmas Eve service at FOB Clark in Khowst province, Afghanistan, December 24, 2009.

U.S. Army soldiers from Task Force Denali Platoon 1-40 CAV pray during a Christmas Eve service at FOB Clark in Khowst province, Afghanistan, December 24, 2009.

U.S. Army soldiers from Task Force Denali Platoon 1-40 CAV pray during a Christmas Eve service at FOB Clark in Khowst province, Afghanistan, December 24, 2009.

Soldiers from the 2nd Battalion 12th infantry enjoy their Christmas dinner at Command Outpost Michigan near the village of Kandigal, in the Pech river valley, Kunar province, Afghanistan Thursday Dec. 24, 2009.

U.S. soldiers and service members attend a ceremony marking the Christmas eve at the Camp Phoenix in Kabul, Afghanistan on Thursday, Dec. 24, 2009.

U.S. soldiers light candles during a ceremony marking the Christmas eve at the Camp Phoenix in Kabul, Afghanistan, Thursday, Dec. 24, 2009.

Soldiers pray during a Christmas Eve candlelight Service at Al Faw Palace in Iraq, Thursday, Dec. 24, 2009. More than 400 military and civilian personnel turned out for the service.

U.S. service members are seen during a candlelight service marking Christmas Eve at al-Faw Palace in Baghdad, Iraq, Thursday, Dec. 24, 2009.

U.S. soldiers and service members hold candles during a ceremony marking Christmas Eve at the Camp Phoenix in Kabul, Afghanistan, Thursday, Dec. 24, 2009.