PANMUNJOM, SOUTH KOREA – JULY 27: North Korean soldiers and U.S. soldiers stand guard during the 57th anniversary of signing the ceasefire agreement ceremony on July 27, 2010 in Panmunjom, South Korea. United States and South Korea are operating a joint military exercise while marking 57th anniversary of signing the ceasefire agreement of Korean War between 1950 to 1953. The exercise, first joint drill after the sinking of South Korean warship in March 2010, is taking place for four days, and has drawn condemnation from Pyongyang. (Both photos by Song Kyung-Seok-pool/Getty Images)
