Ice Station Zebra (1968)

During a Caribbean holiday, a British civil servant finds herself falling in love with a Russian agent.

A privately-financed scientist and his colleagues hire an ex-Navy officer to conduct an Alaskan submarine expedition in order to prevent a Red Chinese anti-American plot that may lead to World War III. Mixes deviously plotted schoolboy fiction with submarine spectacle and cold war heroics.

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'.

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

Great Britain, 1944, during World War II. Relentlessly pursued by several MI5 agents, Henry Faber the Needle, a ruthless German spy in possession of vital information about D-Day, takes refuge on Storm Island, an inhospitable, sparsely inhabited island off the coast of northern Scotland.

During a routine patrol, a reporter is given permission to interview a hardened cold-war warrior and captain of the American destroyer USS Bedford. The reporter gets more than he bargained for when the Bedford discovers a Soviet sub and the captain begins a relentless pursuit, pushing his crew to breaking point.

A rogue submarine captain pulls together a misfit crew to go after a sunken treasure rumored to be lost in the depths of the Black Sea. As greed and desperation take control on-board their claustrophobic vessel, the increasing uncertainty of the mission causes the men to turn on each other to fight for their own survival.

The USS Neptune, a nuclear submarine, is sunk off the coast of Connecticut after a collision with a Norwegian cargo ship. The navy must attempt a potentially dangerous rescue in the hope of saving the lives of the crew.

Ethan Hunt and team continue their search for the terrifying AI known as the Entity — which has infiltrated intelligence networks all over the globe — with the world's governments and a mysterious ghost from Hunt's past on their trail. Joined by new allies and armed with the means to shut the Entity down for good, Hunt is in a race against time to prevent the world as we know it from changing forever.

Barents Sea, August 12th, 2000. During a Russian naval exercise, and after suffering a serious accident, the K-141 Kursk submarine sinks with 118 crew members on board. While the few sailors who are still alive barely manage to survive, their families push for accurate information and a British officer struggles to obtain from the Russian government a permit to attempt a rescue before it is late. But general incompetence are against all their efforts.