The submarine USS Thunderfish successfully completes a secret mission to rescue a group of orphans on a remote Pacific island. On the way back to Honolulu they encounter a Japanese aircraft carrier but the torpedoes they fire explode about halfway to the target, a recurring problem that has plagued the submarine fleet for some time. The Thunderfish's XO, Duke Gifford runs into his ex-wife and Navy nurse Mary Stuart at the hospital. There's still a spark between them but the boat is sent out on another mission before anything is resolved. When Gifford's good friend and captain, Pop Perry, is killed Gifford believe it's his fault. A inquiry clears him and after he and his men solve the problem of the misfiring torpedoes, they set out to sea.
He's Skipper "Duke" Gifford Who Could Put A Torpedo Through A Needle...And Sew Up A Date With A Laugh!
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Did You Know?
After the first shore leave, the Thunderfish returns to action. It sinks the first ship it encounters. However, the ship that is seen through the periscope before the torpedoes are fired isn't the same ship that is seen sinking in the second look through the periscope. See more
[finding themselves in the middle of the entire Imperial Japanese fleet
I'll never make fun of another movie as long as I live.
In keeping with the submarine theme of the film: at the very start, we see a submarine periscope break the surface of the sea, then we see an officer looking into the view-port of the periscope, then we see the opening credits appear, as if being viewed through a periscope. See more
We Watch the Skyways
Music by Max Steiner
Played during the opening credits and often throughout the picture See more