A lightweight naval comedy, this casts Cooper as an inexperienced Navy officer, or "90-day wonder," who is placed in charge of an experimental patrol vessel that is equipped with a steam engine, instead of the usual diesel. To no one's surprise, Cooper is over his head in problems,
especially since his entire crew, with one exception, is made up of other 90-day wonders. The one exception, Mitchell, does his best to keep order but the obstacles prove too numerous. Cooper's troubles come to a head when the Admiral's Board announces that the steam-powered vessel, now dubbed the
, will take part in a series of tests. The engines jam and the ship goe...