US plans rare nuclear missile submarine visit in message to North Korea
The submarine visit is also seen as a way to reassure South Korea and quell talk in Seoul of developing homegrown nuclear weapons.
USS Ohio, a US submarine (R), is docked at a South Korea's naval base in Busan, about 420 km (262 miles) southeast of Seoul, February 26, 2008(photo credit: REUTERS/LEE JAE-WON)ByREUTERS