South Korean soldiers of an artillery unit attend field firing with 155 mm guns near the demilitarized zone separating the two Koreas in Cheorwon, north of Seoul, Jan. 3.

Spc. Kevin Boisvert, left, hugs Chyenne Rielly, center, the daughter of his fiancee, Annie Rielly, right, as 160 Vermont National Guard soldiers returned home after finishing their tour of duty in Afghanistan, Saturday, Dec. 11, 2010, in South Burlington, Vt.

North Korean soldiers (back) and US soldiers of the United Nations Command Security Battalion stand guard during a ceremony on the 57th anniversary of the signing of the cease-fire agreement of the Korean War at the Military Demarcation Line in the Demilitarized Zone (DMZ) in the border village Panmunjom, South Korea, 27 July 2010.

U.S. and Canadian soldiers lounge and swim at a pool at Camp Nathan Smith in Kandahar city on Wednesday, June 9. NATO, US and Afghan soldiers are preparing their biggest offensive yet against the Taliban in Kandahar province, with total foreign troop numbers set to peak at 150,000 by August..