German U Boat Commander Realized America Built Ships Faster Than They Could Sink Them Discover the untold story of how German U-boat commanders realized America was building Liberty ships faster than they could sink them during World War II, marking the turning point in the Battle of the Atlantic. This compelling historical documentary explores the moment when Admiral Karl Dönitz and his submarine force discovered that American shipyards were launching three ships every two days—2,710 Liberty sh

Soon after the United States went to war with Japan and Germany, Admiral Karl Dönitz, the commander of the German submarine service, sent six U-boats to attack oil tankers and freighters in American and Canadian waters before they could head overseas. The mission, code-named Paukenschlag (Drumbeat), was aimed at further disrupting Britain’s precarious supply lifeline and demoralizing the American home front. Captain Hardegen provided Drumbeat with some of its most stirring exploits when his U-bo

"Mit wehenden Fahnen untergehen, das fand Dönitz toll." Wer war Karl Dönitz, der Chef der U-Boot-Flotte im Zweiten Weltkrieg, wirklich? | Terra X