. "Sunk on 26 March 2010 at" . . "ROKS ''Cheonan''" . . "Now a memorial/museum ship inPyeongtaek." . . . . "''Cheonan''" . . "''Cheonan''" . . . "88.0" . . . . "Salvaged in April 2010." . . . . . "ROKS Cheonan (PCC-772)" . . . . . . . "ROKS Cheonan" . "59.264" . "ROKS Cheonan (PCC-772)" . "2.9" . . "ROKS ''Cheonan'' (PCC 772)" . . "ROKS ''Cheonan'' (PCC-772)" . .