Several months after the U.S. entry into World War II, an inexperienced U.S. Navy commander must lead an Allied convoy being stalked by a German submarine wolf pack.
In November 1984, the Soviet Union's best submarine captain in their newest sub violates orders and heads for the USA. Is he trying to defect or to start a war?
On a U.S. nuclear missile sub, a young First Officer stages a mutiny, to prevent his trigger happy Captain from launching his missiles, before confirming his orders to do so.
A civilian diving team is enlisted to search for a lost nuclear submarine and face danger while encountering an alien aquatic species.
Agent 007 is assigned to hunt for a lost British encryption device and prevent it from falling into enemy hands.
A German submarine is boarded by disguised American submariners trying to capture their Enigma cipher machine.
A scientist is nearly assassinated. In order to save him, a submarine is shrunken to microscopic size and injected into his blood stream with a small crew. Problems arise almost as soon as they enter the bloodstream.
Without hostile intent, a Soviet sub runs aground off New England. Men are sent for a boat, but many villagers go into a tizzy, risking bloodshed.
USN nuclear sub USS Tigerfish must rush to the North Pole to rescue the staff of Drift Ice Station Zebra weather station.