SKOREA-NKOREA-US-MILITARY-UN

North Korea soldiers walk on the North side at the truce village of Panmunjom in the demilitarized zone dividing the two Koreas on March 19, 2013. The US on March 19 said it was flying training missions of nuclear-capable B-52 bombers over South Korea, in a clear signal to North Korea at a time of escalating military tensions. AFP PHOTO / JUNG YEON-JE