US, South Korea launch war games Sat Mar 25, 12:18 PM ET South Korea and the United States have launched large-scale war games as North Korea accused them of rehearsing for a nuclear attack on the communist state. Some 25,000 US troops backed by a nuclear-powered aircraft carrier are taking part in the week-long drill aimed at testing the capability of US and South Korean commanders to receive and deploy US reinforcements from abroad. "The RSOI (Reception, Staging, Onward Movement and Integration) drill started today as planned," said an official with the US military who asked not to be named....