Harbor 10 October. She accompanied minesweeper to deployment off Wonsan, Korea. Pirate struck a mine. Enemy shore batteries on Sin-do directed heavy fire upon Pirate, which sank shortly thereafter, and then upon Pledge. As Pledge attempted to maneuver, she too struck a mine and was severely damaged. After fruitless attempts to save her Pledge sank. Her survivors were picked up by . Awards and honors Pledge received one battle star for World War II service and a Presidential Unit Citation for service in Korea. References External links Admirable-class minesweepers World War II minesweepers of the United States Korean War minesweepers of the United States Ships built in Chickasaw, Alabama Ships sunk by mines Shipwrecks in the Sea of Japan 1943 ships Maritime incidents in 1950