wreck. Nothing unexpected was found. In conclusion, the barrels were probably just used for ballast & buoyancy during the ex-Killen's career as a target, and were never a danger at all. UOR's final conclusion, issued in March 2004, was that the ex-Killen presented minimal to no environmental danger and should be left alone as it is now serving as an artificial reef for sea life. Awards Killen received two battle stars for World War II service. References External links navsource.org: USS Killen hazegray.org: USS Killen Killen (DD-593) Ships built in Bremerton, Washington Shipwrecks in the Caribbean Sea 1943 ships Killen (DD-593) Maritime incidents in 1975 Ships sunk as targets