U.S. flies F-22 fighters over South Korea after North's rocket launch

By Do-gyun Kim OSAN, South Korea (Reuters) - The United States flew four F-22 stealth fighter jets over South Korea on Wednesday in a show of force following North Korea's recent rocket launch and ahead of the allies' joint military drills next month aimed at deterring Pyongyang's threat. The flight of the radar-evading F-22s, based in Okinawa, Japan, is the latest deployment of key U.S. strategic military assets to the South after the North defied warnings from world powers and conducted a four