South Korea and the United States have begun annual military exercises over the objection of North Korea, which has claimed they are rehearsals for an invasion.
The drills - called Key Resolve and Foal Eagle - kicked off Monday, despite Pyongyang's repeated calls for their cancelation at the threat of scrapping family reunions the North later agreed to carry out.
Key Resolve lasts just over a week and is largely computer-simulated, while the eight-week Foal Eagle drill involves air, ground and naval field training.
About 28,000 American troops are stationed in South Korea to help deter North Korea aggression.
The drills - called Key Resolve and Foal Eagle - kicked off Monday, despite Pyongyang's repeated calls for their cancelation at the threat of scrapping family reunions the North later agreed to carry out.
Key Resolve lasts just over a week and is largely computer-simulated, while the eight-week Foal Eagle drill involves air, ground and naval field training.
About 28,000 American troops are stationed in South Korea to help deter North Korea aggression.
