The U.S. military on Sunday announced a lethal strike on another vessel in the Caribbean carrying alleged narco-traffickers, killing four people on board.The U.S. Southern Command said the vessel was traveling along "established narco-trafficking routes" in the Caribbean. The military shared a video that showed what appeared to be an explosion destroying a moving boat it described as a go-fast vessel."Under the direction of U.S. Southern Command, Joint Task Force Western Hemisphere executed a lethal, kinetic strike on a go-fast vessel operating along established narco-trafficking routes in the Caribbean," the military said in a statement.US FORCES OBLITERATE SUSPECTED 'NARCO-TERRORIST' VESSEL