The Wackiest Ship in the Army (1960)

Lieutenant Rip Crandall is hoodwinked into taking command of the Wackiest Ship in the Navy a real garbage scow with a crew of misfits who dont know a jib from a jigger What none of them knows including Crandall is that this ship has a very important topsecret mission to complete in waters patrolled by the Japanese fleet Their mission will save hundreds of allied lives if only they can get there in one piece