It's November 1943 and a German U-boat has been brutally damaged in a fight with British warships and is limping its way to port. But the sub's onboard batteries are impaired - which means it can't dive to evade enemy ships.
German U-515 departs from France in 1944, bound for the African Gold Coast to hunt Allied ships. One thousand miles to the south, the U.S. Navy launches a new hunter-killer task force--a tactical combination of destroyers, escorts, carriers, and aircraft--to prevent German U-Boat resurgence. Witness the showdown between U-boat ace Werner Henke and U.S. Navy Bronze Star recipient Daniel Gallery and see how the unrelenting attack of hunter-killer groups changed how the Battle of the Atlantic was fought and won.
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