`` Seventh Fleet ships remain on scene and essential Guardian sailors will continue conducting survey operations onboard the ship as needed until she is recovered , '' Vice Adm. Scott Swift , U.S . All were aboard transported off ship that struck Tubbataha Reef in the Sulu Sea , U.S. Navy said . Initial efforts to save the ship at high tide were unsuccessful . Tubbataha Reefs Natural Park is home to threatened and endangered marine life . The cause of the grounding was under investigation , Navy said .
All were aboard transported off ship that struck Tubbataha Reef in the Sulu Sea , U.S. Navy said . Initial efforts to save the ship at high tide were unsuccessful . Tubbataha Reefs Natural Park is home to threatened and endangered marine life . The cause of the grounding was under investigation , Navy said .