At the end of the opening credits, there is a drawing depicting three officers in the "hear, see & speak no evil" stance with the words "the producers gratefully acknowledge the official cooperation of absolutely nobody.

Opening credits: "The service caps issued for use in this film are intended to be worn by imaginary personnel only. Others who find themselves well-fitted should regard it as purely coincidental."

Closing credits: "To all those who got away with it, this film is most respectfully dedicated."