Kaptan Ernest Krause, 37 gemilik uluslararası bir konvoya liderlik ederek, Atlantik’in tehlikeli sularını aşıp binlerce askeri ve acilen ihtiyaç duyulan malzemeleri Müttefik kuvvetlerine ulaştırıyor.
İkinci Dünya Savaşı sırasında Amerikalılar Güney Atlantik'te Almanlar'ın bir denizaltı sakladıklarını buluyorlar. İki gemi arasında kanlı bir çatışma oluyor ve Kaptan Murrell (Robert Mitchum), kendisiyle eşit deneyime sahip Alman kaptanı Von Stolberg (diğer adı ile as Curt Jurgens) (Curd Jürgens)alt etmek için tüm marifetlerini kullanmak zorunda kalıyor..iki kurnaz,zeki kaptanın birbirlerini yok etmek için akıl almaz stratejileri ve bitmeyen heyecan.. düşmanının aklını okuyan kaptanlardan kazanan kim olacak..
During WWII, Duke E. Gifford is second in command of the USS Thunderfish, a submarine which is firing off torpedoes that either explode too early or never explode at all. It's a dilemma that he'll eventually take up personally. Even more personal is his quest to win back his ex-wife, a nurse; but he'll have to win her back from a navy flier who also happens to be his commander's little brother.
At the start of World War II, Cmdr. Ericson is assigned to convoy escort HMS Compass Rose with inexperienced officers and men just out of training. The winter seas make life miserable enough, but the men must also harden themselves to rescuing survivors of U-Boat attacks, while seldom able to strike back. Traumatic events afloat and ashore create a warm bond between the skipper and his first officer.
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.
In the early years of the World War II, the Royal Navy is fighting a desperate battle to keep the Atlantic convoy routes open to supply the British Isles, facing the great danger posed by the many German warships, such as the Admiral Graf Spee, which are scouring the ocean for cargo ships to sink.