Sub Down

After a stamp-collecting Navy chief petty officer is jailed following FBI and Naval Justice investigation, his fiancee meets one of his fellow officers, becomes romantically interested in him, and joins him in trying to get an envelope, believed to contain rare stamps, to its intended recipient, only to end up in a web of intrigue involving foreign-accented men who are unusually interested in that simple envelope.

Three US sailors aboard a decoy ship fight German U-boats in World War I and try to win Sally who works on the Coney Island midway.

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.

Captain Jim Leslie, a US Air Force pilot, is transferred to a remote Alaskan base not far from the Soviet border. Here he meets his old friend Harris again and falls in love with Brenda, the commander's daughter. He then comes into conflict with her fiancé, Senator Gordon Gray. At his instigation, he is sent on a dangerous mission with Harris and the navigator Hester: During a storm, the buoys deployed to locate Soviet submarines must be checked. During the emergency landing on an ice floe, Harris suffers a life-threatening injury. They are in Soviet territory, but in view of the situation Jim disregards the radio ban and sends a distress signal. A Soviet submarine appears, Harris is operated on and they are helped to get the plane ready for take-off. Arriving at the base, Jim is arrested. Brenda turns her back on him.

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.

A submarine expedition to salvage the remains of Mechagodzilla is thwarted by a massive dinosaur named Titanosaurus. An Interpol investigation leads biologist Ichinose to uncover the work of Dr. Mafune and his mysterious daughter Katsura. Aligned with the Black Hole Aliens, Katsura's life becomes entwined with the resurrected machine.

U.S. Navy pilot Lt. Jake Grafton and his bombardier buddy, Lt. Cmdr. Virgil Cole, are two soldiers embedded in the Vietnam War growing frustrated by the military's constraints on their missions. Despite the best efforts of their commanding officer, Cmdr. Frank Camparelli, to re-engage them, this disillusioned pair decide to take the war effort into their own hands with an explosive battle plan that could well get them court-martialed.

Captain Nemo goes even deeper into insanity in this mesmerizing fantasy tale. Once again at the helm of his fearsome, wildly advanced vessel, the nautical madman endeavors to turn the world above the waves upside down.

A Navy commander experiments with launching missiles from submarines.

Merchant seaman Archie Gibbs manages to survive when his ship is torpedoed by a German submarine. Disguising himself in the uniform of a dead Nazi spy, Gibbs is picked up by the Nazi U-boat. He manages to convince the German sailors that he's the spy, and in this guise he tries to rescue a group of captured Allied scientists.

The captain of a submarine sunk by the Japanese during WWII is finally given a chance to skipper another sub after a year of working a desk job. His singleminded determination for revenge against the destroyer that sunk his previous vessel puts his new crew in unneccessary danger.

While flying a routine reconnaissance mission over Bosnia, fighter pilot Lt. Chris Burnett photographs something he wasn't supposed to see and gets shot down behind enemy lines, where he must outrun an army led by a ruthless Serbian general. With time running out and a deadly tracker on his trail, Burnett's commanding officer, Admiral Reigart, decides to risk his career and launch a renegade rescue mission to save his life.

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 Ramsey insists that the Alabama must act aggressively, Hunter, fearing they will start rather than stop a disaster, leads a potential mutiny to stop him.

Milo and Kida reunite with their friends to investigate strange occurances around the world that seem to have links to the secrets of Atlantis.

When a US Naval captain shows signs of mental instability that jeopardize his ship, the first officer relieves him of command and faces court martial for mutiny.

A veteran-turned-mercenary is hired to take a young woman with a secret from post-apocalyptic Eastern Europe to New York City.

Navy Lt. Tom Farrell meets a young woman, Susan Atwell , and they share a passionate fling. Farrell then finds out that his superior, Defense Secretary David Brice, is also romantically involved with Atwell. When the young woman turns up dead, Farrell is put in charge of the murder investigation. He begins to uncover shocking clues about the case, but when details of his encounter with Susan surface, he becomes a suspect as well.

On leave in Italy, Lt. Tommy Knowlton falls in love with Jean Standish, who's not only married, but is the daughter of his submarine's commander. Friction between the two officers becomes intolerable once at sea and after Commander Toler is forced to abandon Tommy's best friend topside while the sub dives to escape enemy planes, Tommy is no longer able to contain his anger.

Korea's first nuclear submarine and a crew with no record of existence embark on a do-or-die mission into the deep waters of the Pacific.

Flight 23 has crashed in the Bermuda Triangle after a hijacking gone wrong. Now the surviving passengers must brave panic, slow leaks, oxygen depletion, and more while attempting a daring plan, all while 200 feet underwater.