Mystery Submarine

Near the end of WWII a lone U-Boat is sent from Germany to Japan carrying plutonium needed for a Japanese A-Bomb. During the long journey, news arrives on the radio that Hitler killed himself and Germany has surrendered. This causes a rift in the crew, the Nazi Party members wanting to continue to Japan since they are still at war, while the others just want to surrender or return home.

When Russia's first nuclear submarine malfunctions on its maiden voyage, the crew must race to save the ship and prevent a nuclear disaster.

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.

Based on true events, an American submarine collides into a Soviet sub of the coast of America and an ensuing standoff occurs that could lead to total annihilation.

In the midst of World War II, the battle under the sea rages and the Nazis have the upper hand as the Allies are unable to crack their war codes. However, after a wrecked U-boat sends out an SOS signal, the Allies realise this is their chance to seize the 'enigma coding machine'.

In World War II, the greatest threat to the British navy is the German battleship Tirpitz. While anchored in a Norwegian fjord, it is impossible to attack by conventional means, so a plan is hatched for a special commando unit to attack it, using midget submarines to plant underwater explosives.

After the Cold War, a breakaway Russian republic with nuclear warheads becomes a possible worldwide threat. U.S. submarine Capt. Frank Ramsey signs on a relatively green but highly recommended Lt. Cmdr. Ron Hunter to the USS Alabama, which may be the only ship able to stop a possible Armageddon. When Ramsay insists that the Alabama must act aggressively, Hunter, fearing they will start rather than stop a disaster, leads a potential mutiny to stop him.

A World War II submarine commander finds himself stuck with a damaged sub, a con-man executive officer, and a group of army nurses.

In the days after the attack on Pearl Harbor, panic grips California, where a military officer leads a mob chasing a Japanese sub.

A British Colonel is angry with his superiors after his entire platoon is slaughtered by the Germans in what he saw as a suicide mission. So for his next mission, he takes along a platoon a convicted criminals - to prepare the Normandy beaches for the D-Day landings.

The story of the WWII project to crack the code behind the Enigma machine, used by the Germans to encrypt messages sent to their submarines.