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. It took place...

U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. The term is an anglicised 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)...

"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...

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...

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...

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...

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...

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...

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 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 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 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 7th U-boat Flotilla (German 7. Unterseebootsflottille), also referred to as the Wegener Flotilla, was a combat unit within the Kriegsmarine, the naval...

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...

SM U-103 was an Imperial German Navy Type U 57 U-boat that was rammed and sunk by HMT Olympic during the First World War. U-103 was built by AG Weser in...

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...

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

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 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...

U-boats in Trondheim included following: U-310, U-315, U-483, U-773, U-775, U-861, U-953, U-978, U-994, U-995, U-1019, U-1064 and U-1203. Two U-boat bunkers...

combat ready U-boat, U-213, reached the Brest base on 20 March 1942. The flotilla operated mostly various marks of the Type VII U-boat and it concentrated...

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...

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 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...

For distinguished service in protecting convoys from U-boats engaged in the Atlantic U-boat Campaign during 1918, MacArthur was awarded the Navy Cross and...

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...

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...