South Korean soldiers check their rifles before they conduct a military drill near the demilitarized zone (DMZ) separating South Korea from North Korea in Yanggu, about 180 km (112 miles) northeast of Seoul, May 24, 2010 during a photo opportunity. (Reuters)
South Korean soldiers shout slogans before they conduct a military drill near the demilitarized zone (DMZ) separating South Korea from North Korea in Yanggu, about 180 km (112 miles) northeast of Seoul, May 24, 2010 during a photo opportunity. (Reuters)
South Korean soldiers conduct a military drill near the demilitarized zone (DMZ) separating South Korea from North Korea in Yanggu, about 180 km (112 miles) northeast of Seoul, May 24, 2010 during a photo opportunity. South Korean President Lee Myung-bak said on Monday North Korea would pay the price for sinking a South Korean naval ship and that the South would invoke its right to defend itself if Pyongyang waged aggression again. (Reuters)