You Know What Sailors Are (1954)

The best of British humor is on display in this satirical cold war romp Donald Sinden plays Lieutenant Green a radar expert in the Royal Navy One night whilst under the influence of alcohol he welds an old pram to the deck of a foreign destroyer for a joke The next morning British Intelligence is desperate to know what the enemys new weapon is To cover his tracks Green calls it the 998 When he is posted to the destroyer to explain about radar techniques Green soon realizes that his prank has gone too far