The Abyss (1989)
overview : A civilian oil rig crew is recruited to conduct a search and rescue effort when a nuclear submarine mysteriously sinks. One diver soon finds himself on a spectacular odyssey 25,000 feet below the ocean's surface where he confronts a mysterious force that has the power to change the world or destroy it.
Genres : Adventure, Action, Thriller, Science Fiction
Tags : ocean, sea, diving suit, flying saucer, nuclear missile, alien life-form, insanity, scuba diving, underwater, scuba, deepsea, trapped underwater , thalassophobia