It featured nazi soldiers who could breathe underwater

On a stormy night at sea, a Captain and the First Mate talk about the girl that they are both in love with. Then they agree to play a game of cards where the loser agrees to kill himself so that the other can have her.

A crack team of Italian naval divers plan to attach high explosives to the hulls of Royal navy warships anchored in Gibraltar harbour.

Explosions are raging in one of the ports in the territory occupied by the German fascist invaders. An old and experienced military leader, Admiral Reinhardt, arrives to investigate these emergencies. Together with the head of the Gestapo, SS Standartenfuehrer Hübe, he takes all measures to suppress the activity of the partisans, raids and arrests, but all in vain. Underwater sabotage continues. A detachment of fighters with experience of submarine warfare is sent from Italy to fight the demolitions.

A German submarine hunts allied ships during the Second World War, but it soon becomes the hunted. The crew tries to survive below the surface, while stretching both the boat and themselves to their limits.

It's 1940. German forces are prevailing over Allies across Europe. The crew of the Polish submarine, now serving in the Royal Navy, is waging a heroic fight against the invisible enemy.

World War II. British Spitfires and German Messerschmitts swarm in a furious dogfight.. A Spitfire is hit. The plane plummets helplessly into the water, gliding down through the sea. As his cabin fills with water, the desperate pilot tries to escape…

Released three days after Adolf Hitler became Reichskanzler, it was the first film to have its screening in Nazi Germany. It became a symbol of the new times touted by the Nazi regime. The title (literally "morning-red") is the German term for the reddish coloring of the east sky about a half hour before the sunrise. On patrol Captain Liers and his submarine crew sink an important British ship, but while returning to harbour, they're lured into a trap by a British vessel disguised as a neutral Danish one. They sink it after it attacks them without warning, but while they prepare to rescue survivors, a British destroyer sinks the sub. On the sea bed 60 feet down, with all but the bridge flooded, the 10 surviving crew have only 8 rescue devices. Liers orders the crew to use them, but they disobey - either all escape or nobody does.

After training at the dolphin reconnaissance school, the dolphin Tristan was sent on an important mission to a secret military base of the USSR to obtain information about the Russians' new strategic weapon - a submarine that transforms into an airplane. After receiving a message that an unidentified object was discovered in Soviet territorial waters, moving towards a secret base, the Soviet command ordered to urgently send an experienced special agent, the dolphin Isolde, to intercept it.

A team of deep sea divers investigate the wreck of German U-boat, rumored to have been attacked by a sea monster during World War 1. Their investigation will take them from the icy depths of the Irish Sea to the inky lair of the Loch Ness Monster.

Nazi propaganda film showing the development of the German navy's submarine fleet.