Soldiers of Kim Il Sung Military University perform military training on Wednesday, March 6, 2013, in Pyongyang, North Korea. North Korea’s military is vowing to cancel the 1953 cease-fire that ended the Korean War, straining already frayed ties between Washington and Pyongyang as the United Nations moves to impose punishing sanctions over the North’s recent nuclear test. <AP Photo/NEWSis/Kim Kwang Hyon>
