or U-boats, sunk, scuttled, captured, or otherwise lost to German forces during World War II. Here, naval historian Timothy Mulligan describes 25 of the most historically significant U-boats.

In 1944, a US Navy task group hunted a Nazi U-boat in a top-secret operation that was only made public after the war ended, marking the first time the service captured an enemy vessel since 1812. The ...

Captured during World War II, the German U-Boat came to the museum to serve as a war memorial. After five decades outdoors, the museum brought the submarine inside and opened a 35,000-square-foot ...