S. Korea and U.S. hold joint military exercises
A soldier participates in the joint military exercise Key Resolve between South Korea and the U.S. in Pyeongtaek, South Korea, March 14, 2013. (Xinhua/Park Jin-hee)
A soldier participates in the joint military exercise Key Resolve between South Korea and the U.S. in Pyeongtaek, South Korea, March 14, 2013. (Xinhua/Park Jin-hee)