four huge chunks of U.S. Navy have been removed from the reef . USS Guardian minesweeper has been on reef since mid-April . The U.S. Navy expects the Guardian to be completely removed from the reef by the second week of April , Evangelista said . Ship is expected to be completely removed by January 17 , official says .
four huge chunks of U.S. Navy have been removed from the reef . USS Guardian minesweeper has been on reef since mid-April . Ship is expected to be completely removed by January 17 , official says .