ROKS Cheonan is the name of two South Korean Navy warships: * ROKS Cheonan (PCC-772), a Pohang-class corvette from 1989 to 2010. * , a Daegu-class frigate which has been ordered. This article includes a list of ships with the same or similar names. If an internal link for a specific ship led you here, you may wish to change the link to point directly to the intended ship article, if one exists.