U.S. Air Force B-2 stealth bomber, left, flies over near Osan U.S. Air Base in Pyeongtaek, south of Seoul, South Korea, Thursday, March 28, 2013. A day after shutting down a key military hotline, ... more 
U.S. Air Force B-2 stealth bomber, left, flies over near Osan U.S. Air Base in Pyeongtaek, south of Seoul, South Korea, Thursday, March 28, 2013. A day after shutting down a key military hotline, Pyongyang instead used indirect communications with Seoul to allow South Koreans to cross the heavily armed border and work at a factory complex that is the last major symbol of inter-Korean cooperation. (AP Photo/Lee Jung-hun, Yonhap) KOREA OUT less 
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Associated Press | Photo By Lee Jung-hun, Yonhap
Thu, Mar 28, 2013 7:23 AM EDT