breakingnewsA nuclear-powered U.S. submarine arrived in the South Korean southern port city of Busan Monday morning to touch at the port on its voyage to the West Pacific, an official at the U.S. Forces Korea (USFK) said. The USS Columbus, a Los Angeles-class submarine, arrived in Busan, around 450 km southeast of Seoul, Monday morning, the official said on the condition of anonymity. Asked why the submarine came here, the official said by phone that it has been in regular deployment now in the West Pacific, noting that it called at the port to let U.S. crew members take a rest and the submarine obtain supplies. He denied local media reports that the nuclear-capable submarine, a unit of the U.S. Seventh Fleet, arrived in the port to join the South Korea-U.S. annual military exercises along with the USS Blue Ridge, the command ship of the Seventh Fleet. MORE