The USS Michigan -- an Ohio-class guided-missile submarine -- is expected to make a visible port call in South Korea on Tuesday, according to a US defense official.
원문출처 : http://www.cnn.com/2017/04/24/politics/uss-michigan-nuclear-sub-south-korea/index.html
원문출처 : http://www.cnn.com/2017/04/24/politics/uss-michigan-nuclear-sub-south-korea/index.html