Abbott and Costello - In The Navy (1941)

Russ Raymond, Americas number one crooner, disappears and joins the Navy under the name Tommy Halstead. Dorothy Roberts, a magazine journalist, is intent on finding out what happened to Russ and she tries everything she can to get a picture of him to prove hes Russ Raymond. Tommys friends, Pomeroy Watson and Smokey Adams,help him while Pomeroy writes love letters to Patty Andrews. But because Smokey makes Pomeroy lie about himself in the letters, and when Patty comes to the Navy base, shes furious at Pomeroy. When Pomeroy, Smokey, Tommy and the Andrews sisters set sail for Hawaii, Pomeroy discovers theres a tomato in the potato locker, and shes been snapping shots of Tommy the whole trip. Whether Pomeroys proving that 7 x 13 = 28 three different ways, having Smokey help him play ship captain for Patty, or falling out of his hammock, its an Abbott and Costello classic.