A North Korean soldier, left, looks at the southern side through binoculars as South Korean soldiers stand guard at the border village of Panmunjom, the demilitarized zone that has separated the two ... more 
A North Korean soldier, left, looks at the southern side through binoculars as South Korean soldiers stand guard at the border village of Panmunjom, the demilitarized zone that has separated the two Koreas since the Korean War, in Paju, north of Seoul, South Korea, Tuesday, March 19, 2013. The United States is flying nuclear-capable B-52 bombers on training missions over South Korea to highlight Washington's commitment to defend an ally amid rising tensions with North Korea, Pentagon officials said Monday. (AP Photo/Lee Jin-man) less 
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Associated Press | Photo By Lee Jin-man
Tue, Mar 19, 2013 7:05 AM EDT