Yeongcheon

Members of the South Korean special forces take part in a military drill in Yeongcheon, southeast of Seoul in this May 2, 2013 picture provided by Yonhap. The two Koreas remain technically at war under a mere truce that ended hostilities in their 1950-53 conflict and North Korea, angry at U.N. sanctions and joint South Korean-U.S. military drills, has threatened both countries with nuclear attack in recent weeks.

Han Jong-chan/Yonhap/Reuters

Members of the South Korean special forces take part in a military drill in Yeongcheon, southeast of Seoul. The two Koreas technically remain at war under a truce that ended hostilities in their 1950-1953 conflict. North Korea is angry at UN sanctions and joint South Korean-US military drills, and has recently threatened both countries with nuclear attack.