SEOUL, Feb. 20 (Xinhua) -- U.S. nuclear-powered submarine Ohio arrived in South Korea's southeastern port city of Busan on Wednesday to join the upcoming joint military exercise between South Korea and the United States, the U.S. Force Korea (USFK) said in a news release.

    "The USS Ohio, a U.S. guided missile submarine, is in port Busan. The Ohio is taking part in a routine port visit in conjunction with the Key Resolve/Foal Eagle Exercise 2008," said the news release.

    It is the first visit of the U.S. nuclear-powered submarine to South Korea since late 2005.

    The U.S. nuclear-powered Navy aircraft carrier of USS Nimitz is also set to visit Busan with 5,000 crew members aboard later this month to join the joint U.S.-South Korean military exercises scheduled in early March.