A U.S. soldier is seen while escorting journalists at a guard post in the truce village of Panmunjom in the demilitarized zone separating the two Koreas in Paju, north of Seoul December 28, 2011. In the background is a huge North Korean flag hung at half-mast at North Korea's propaganda village of Gijungdong. REUTERS/Kim Kyung-Hoon
A U.S. soldier looks at a M1A2 SEP Abrams battle tank during a joint military exercise between South Korea and the U.S. at the U.S. Army's Rodriguez Live Firing Range in Pocheon, about 46 km (28 miles) northeast of Seoul and about 15 km (9 miles) south of the demilitarized zone separating the two Koreas, September 1, 2011.
REUTERS/Jo Yong-Hak