Crash Dive

Crash Dive is a World War II film in Technicolor released in 1943. It was directed by Archie Mayo, written by Jo Swerling and W.R. Burnett, and starred Tyrone Power, Dana Andrews and Anne Baxter. The film was the last for Power, already enlisted in the United States Marine Corps, before assignment to recruit training also known as boot camp.

His infatuation with PT boats irritates Connors but the two become friends after a combat action with a Q ship in which Connors is injured and Stewart sinks it. Connors, unbeknownst to Stewart, is already in love with Jean but delays marrying her until he gains a promotion to commander and the commensurate pay it provided so he could properly support her financially in his view. Tension between the men ensues when Connors discovers that the woman Stewart is wooing is Jean. The film culminates in a commando raid by the Corsair on an island supply base for the German raiders. After the raid, the men make peace, and soon after the Corsair s return to New London, Stewart and Jean are married.Part of the movie was filmed at Submarine Base New London, Connecticut. A few naval combatants rarely seen in Technicolor are visible in the early part of the film. The PT boats seen near the beginning are the 77foot Elco type. The submarine primarily featured as the Corsair is the experimental USS Marlin SS205, with a conning tower modified to resemble her sister USS Mackerel SS204. A few Oclass and Rclass submarines, built in World War One and used for training in WW2, are visible in the background of some shots. For wartime security reasons, no submarine classes used in combat in WW2 appear in the film. The USS Semmes AG24 exDD189 is seen in one shot there are probably not many good Technicolor views of a fourstack destroyer available today. The Semmes was being used as a sonar testbed at the time. ........

Source: Wikipedia