The introduction of the submarine to naval warfare reshaped planning and doctrine. While typical engagements relied on guns ...

This undated photo, provided by the National WW II Museum in New Orleans, shows Oberleutnant zur See Hans-Gunther Kuhlmann, center, saluting commander of the German U-boat U-166 on his boat. The U-166 ...

The German Submarine branch of the Kriegsmarine was one of the most fear-inducing branches of the German military apparatus ...

Alexander Rose’s "Phantom Fleet: The Hunt for Nazi Submarine U-505 and World War II’s Most Daring Heist" is a thrilling, deeply researched account of one of the most audacious naval operations of ...

A German submarine torpedoed the S.S. Pennsylvania Sun on July 15, 1942, destroying 107,500 barrels of U.S. Navy fuel oil. Public domain via Wikimedia Commons Early on June 29, 1942, the 8,032-ton ...

Add Yahoo as a preferred source to see more of our stories on Google. The U-505 submarine served 12 patrols and sank eight enemy boats before the US Navy captured it. The U-boat is now on display at ...

The mechanical Hedgehog proved itself to be a deadly predator and killer of Axis submarines. When one thinks of antisubmarine warfare (ASW) weapons of World War II, chances are the depth charge is the ...