US, South Korea in joint military drill

U.S. marines (R and 2nd R) and South Korean soldiers conduct a joint military drill at the U.S. army's Rodriguez range in Pocheon, about 70 km (43 miles) northeast of Seoul and about 15 km (9 miles) south of the demilitarized zone separating the two Koreas, during a photo opportunity March 1, 2008. The Key Resolve/Foal Eagle Exercise, an annual military exercise between South Korean and U.S. troops, will be held across the country from March 2-7. (Reuters Photo)

U.S. marines (2nd L and R) and South Korean soldiers conduct a joint military drill at the U.S. army's Rodriguez range in Pocheon, about 70 km (43 miles) northeast of Seoul and about 15 km (9 miles) south of the demilitarized zone separating the two Koreas, during a photo opportunity, March 1, 2008. (Reuters Photo)

U.S. marines prepare for a joint military exercise with South Korean marines at Rodriguez Range in Pocheon, north of Seoul, South Korea, Saturday, March 1, 2008. (AFP Photo)

A member of a U.S. Stryker platoon from Alaska prepares to conduct a live fire gunnery exercise at the U.S. army's Rodriguez range in Pocheon, about 70 km (43 miles) northeast of Seoul and about 15 km (9 miles) south of the demilitarized zone separating the two Koreas February 24, 2008. (Reuters Photo)