How Do Submarine Crews Eat, Sleep, and Survive for Months Beneath the Sea's Surface?

How do 130 crew members survive for months inside a nuclear submarine, deep beneath the ocean's surface? From oxygen systems and food supplies to cramped sleeping quarters, to the mental pressures of secret missions—all require advanced technology and special rules to survive. Watch this video to the end to learn how submariners eat, sleep, work, and survive in one of the most extreme environments ever created by humans. #submarine #nuclearsubmarine #submarinelife #militarydocumentary #usnavy #underwaterlife #navaltechnology