Civilians train like members of the U.S. military's special-operations unit from veterans of the Navy SEALs, Green Berets and Army Rangers.Civilians train like members of the U.S. military's special-operations unit from veterans of the Navy SEALs, Green Berets and Army Rangers.Civilians train like members of the U.S. military's special-operations unit from veterans of the Navy SEALs, Green Berets and Army Rangers.