U-boat Deck guns - Technical pages - German U-boats of WWII - Kriegsmarine

The U-boat War in World War Two (Kriegsmarine, 1939-1945) and World War One (Kaiserliche Marine, 1914-1918) and the Allied efforts to counter the threat. Over 40.000 pages on the officers, the boats, technology and the Allied efforts to counter the U-boat threat.

Pages from a U-boat Commander's Career

Submarines at War: From the Turtle to U-boats, nuclear submarines

The U-Boats of World War Two - Weapons and Warfare

המערכה באוקיינוס האטלנטי (1939–1945) - מרכיבי הקרב – ויקיפדיה

Submarine Photo Index

Munizionamento Cannone Sommergibili Regia Marina - Tecnica - Betasom - XI Gruppo Sommergibili Atlantici

Why were the guns on submarines still usable after being underwater? Wouldn't the guns rust or jam being exposed to sea water? - Quora

U-Boats, Axis Power 7 Central Wiki

During WW2, did they consider sending lone ships across the