A U.S. Army soldier stands on an armored vehicle during annual military drills in Yeoncheon, South Korea, near the border with North Korea, Tuesday, April 9, 2013. North Korea has unleashed a flurry ... more 
A U.S. Army soldier stands on an armored vehicle during annual military drills in Yeoncheon, South Korea, near the border with North Korea, Tuesday, April 9, 2013. North Korea has unleashed a flurry of war threats and provocations over U.N. sanctions for its last nuclear test, and over the ongoing U.S.-South Korean military drills, which the allies say are routine but Pyongyang says is a preparation for a northward invasion. (AP Photo/Ahn Young-joon) less 
1 / 30
Associated Press | Photo By Ahn Young-joon
Tue, Apr 9, 2013 6:17 AM EDT