naval historian Timothy Mulligan describes 25 of the most historically significant U-boats. Click on the map labels and plunge into the fascinating and often tragic histories of some of Germany's ...

Britain, however, was certain the war would be won on land. To John Fisher, head of the Royal Navy, Germany’s 28 U-boats were little more than “toys” and “playthings.” But Germany itself felt ...

Germany completed its first U-boat (the U-1) in 1905 and was the first nation to use a submarine during World War I. By comparison, the U.S. Navy commissioned its first sub (the U.S.S. Holland ...

Germany concentrated more and more effort in its U-boat fleets as the final weapon to defeat Great Britain.” If Taylor’s team could confirm the old story that the two vessels wiped each other ...