Action in the North Atlantic

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'.

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.

During World War II, a small group of survivors is stranded in a lifeboat together after the ship they were traveling on is destroyed by a German U-boat.

After an abrupt and violent encounter with a French warship inflicts severe damage upon his ship, a captain of the British Royal Navy begins a chase over two oceans to capture or destroy the enemy, though he must weigh his commitment to duty and ferocious pursuit of glory against the safety of his devoted crew, including the ship's thoughtful surgeon, his best friend.

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

The film focuses on the naval warfare around the Battle of Coronel and Battle of the Falkland Islands during the First World War. It was the last in a successful series of documentary reconstructions of First World War battles by British Instructional Films made between 1921 and 1927.

For his first command in the Pacific war a by-the-book officer is ordered to take his submarine on a reconnaissance mission to locate a fleet of Japanese fighting ships the Allies have lost track of. At first, the rest of the crew resent his distant manner and the way he keeps avoiding taking on the Japs.

A group of German infantrymen of the First World War live out their lives in the trenches of France. They find brief entertainment and relief in a village behind the lines, but primarily terror fills their lives as the attacks on and from the French army ebb and flow. One of the men, Karl, goes home on leave only to discover the degradation forced on his family by wartime poverty. He returns to the lines in time to face an enormous attack by French tanks.

When Lt. John Harkness is assigned as the new skipper of a submarine chaser equipped with an experimental steam engine, he hopes that the U.S.S. Teakettle's veterans will afford him enough help to accomplish the ship's goals. Unfortunately, he finds the crew and its officers share his novice status or only have experience in diesel engines.

During the Cuban Missile Crisis of 1962, Soviet Navy officer Vasily Arkhipov refused to launch a nuclear strike and saved the world from nuclear war and total destruction.