The U-boat campaign from 1914 to 1918 was the World War I naval campaign fought by German U-boats against the trade routes of the Allies, largely in the...

U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. The term is an anglicized version of the German word...

The Atlantic U-boat campaign of World War I (sometimes called the "First Battle of the Atlantic", in reference to the World War II campaign of that name)...

period (May 1943) in the Battle of the Atlantic campaign during World War II, when the German U-boat arm (U-Bootwaffe) suffered high casualties with fewer...

"Second Happy Time") (1942) – U-boat campaign off the United States east coast Neuland ("New Land") (1942) – U-boat campaign in the Caribbean Sea; launched...

in command of a German U-boat during the Battle of the Atlantic in World War II. Silent Hunter III features a dynamic campaign. Instead of giving the...

considered various submarine designs for specialized operations or improving U-boat performance. Many of these designs did not come to fruition for various...

The Mediterranean U-boat Campaign lasted from about 21 September 1941 to 19 September 1944 during the Second World War. Malta was an active British base...

Germany and its occupied countries, which were also known as U-boat pens (after the phrase "U-boat" to refer to German submarines). Among the first forms of...

The Type XIV U-boat was designed to resupply other U-boats, being the only submarine tenders built which were not surface ships. It was nicknamed in German...

lesser maximum diving depth than earlier U-boat designs. It was planned that final assembly of Type XXI boats would eventually be carried out in the Valentin...

List of U-boat types contains lists of the German U-boat types (submarine classes) used in World War I and World War II. The anglicized word U-boat is usually...

Type VII U-boats were the most common type of German World War II U-boat. 703 boats were built by the end of the war. The lone surviving example, U-995, is...

The Mediterranean U-boat Campaign in the Mediterranean Sea was fought by Austria-Hungary and German Empire (with some support by the Ottoman Empire) against...

There have been four campaigns of unrestricted submarine warfare, one in World War I and three in World War II: The U-boat campaign of World War I, waged...

The Rocket U-boat was a series of military projects undertaken by Nazi Germany during the Second World War. The projects, which were undertaken at Peenemünde...

List of U-boat flotillas contains lists of the German U-boat flotillas in the two World Wars. The bases shown here are the ones at which the flotillas...

The Gulf of Finland U-boat campaign lasted in the Gulf of Finland during the World War II against the Soviet Union between summer 1944 and spring 1945...

The 1st U-boat flotilla (German 1. Unterseebootsflottille) also known as the Weddigen flotilla, was the first operational U-boat unit in Nazi Germany's...

Helgason, Guðmundur. "WWI U-boats: U 156". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. The U-Boat That Threatened America...

The Type XVII U-boats were small coastal submarines that used a high-test peroxide propulsion system, which offered a combination of air-independent propulsion...

though a prototype was running in 1940. But when problems with the existing U-boat designs became evident in 1942, the work was stepped up. Eventually two...

The Gruppe Monsun or Monsoon Group was a force of German U-boats (submarines) that operated in the Pacific and Indian Oceans during World War II. Although...

subsequent counter-blockade. The campaign peaked from mid-1940 through to the end of 1943. The Battle of the Atlantic pitted U-boats and other warships of the...

List of successful U-boats contains lists of the most successful German U-boats in the two World Wars based on total tonnage. This list contains the 5...

U-boats. U-177 U-178 U-179 U-180 U-181 U-182 U-195 U-196 U-197 U-198 U-199 U-200 U-847 U-848 U-849 U-850 U-851 U-852 U-859 U-860 U-861 U-862 U-863 U-864...

U-2321 U-2322 U-2323 U-2324 U-2325 U-2326 U-2327 U-2328 U-2329 U-2330 U-2331 U-2332 U-2333 U-2334 U-2335 U-2336 U-2337 U-2338 U-2339 U-2340 U-2341 U-2342...

German submarine U-559 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. Laid down on 1 February 1940 at the...

head of Germany’s U-boat Arm, Konteradmiral Karl Dönitz, was keen to use the French Atlantic ports as forward bases for his U-boat force then engaged...

the way that German U-boat campaign was, but both having that effect— and both were also very successful. The German U-boat campaign, aimed mainly against...