German submarine ''U-180'' was a Type IXD1 transport

U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ...

Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

's ''

Kriegsmarine The (, ) was the navy of Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic. The was one of three official branches, along with the a ...

'' which served in

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. Her keel was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...

on 25 February 1941 at the

DeSchiMAG Deutsche Schiff- und Maschinenbau Aktiengesellschaft (abbreviated Deschimag) was a cooperation of eight German shipyards in the period 1926 to 1945. The leading company was the shipyard AG Weser in Bremen. History The Deschimag was founded in 19 ...

AG Weser Aktien-Gesellschaft „Weser" (abbreviated A.G. „Weser”) was one of the major German shipbuilding companies, located at the Weser River in Bremen. Founded in 1872 it was finally closed in 1983. All together, A.G. „Weser" built about 1,400 ...

yard in

Bremen Bremen (Low German also: ''Breem'' or ''Bräm''), officially the City Municipality of Bremen (german: Stadtgemeinde Bremen, ), is the capital of the German state Free Hanseatic City of Bremen (''Freie Hansestadt Bremen''), a two-city-state consis ...

as yard number 1020. She was launched on 10 December 1941 and commissioned on 16 May 1942 under ''

Fregattenkapitän Fregattenkapitän, short: FKpt / in lists: FK, () is the middle field officer rank () in the German Navy. Address In line with ZDv 10/8, the official manner of formally addressing military personnel holding the rank of ''Fregattenkapitän'' (O ...

Werner Musenberg Werner may refer to: People * Werner (name), origin of the name and people with this name as surname and given name Fictional characters * Werner (comics), a German comic book character * Werner Von Croy, a fictional character in the ''Tomb Rai ...

(Crew 25). Stripped of torpedo armament, the Type IXD1s were designated as transport submarines, and could carry up to 252 tonnes of freight. ''U-180'' was used primarily in clandestine operations.

Design

German Type IXD1 submarines were considerably larger than the original

Type IX The Type IX U-boat was designed by Nazi Germany's '' Kriegsmarine'' in 1935 and 1936 as a large ocean-going submarine for sustained operations far from the home support facilities. Type IX boats were briefly used for patrols off the eastern Un ...

s. ''U-180'' had a displacement of when at the surface and while submerged. The U-boat had a total length of , a

pressure hull A submarine hull has two major components, the ''light hull'' and the ''pressure hull''. The light hull (''casing'' in British usage) of a submarine is the outer non-watertight hull which provides a hydrodynamically efficient shape. The pressure ...

length of , a

beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially localized grou ...

of , a height of , and a draught of . The submarine was powered by two

MAN A man is an adult male human. Prior to adulthood, a male human is referred to as a boy (a male child or adolescent). Like most other male mammals, a man's genome usually inherits an X chromosome from the mother and a Y chromos ...

M 9 V 40/46

supercharged In an internal combustion engine, a supercharger compresses the intake gas, forcing more air into the engine in order to produce more power for a given displacement. The current categorisation is that a supercharger is a form of forced induct ...

four-stroke, nine-cylinder

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...

s plus two MWM RS34.5S six-cylinder four-stroke diesel engines for cruising, producing a total of for use while surfaced, two

Siemens-Schuckert Siemens-Schuckert (or Siemens-Schuckertwerke) was a German electrical engineering company headquartered in Berlin, Erlangen and Nuremberg that was incorporated into the Siemens AG in 1966. Siemens Schuckert was founded in 1903 when Siemens & Ha ...

2 GU 345/34 double-acting electric motors producing a total of for use while submerged. She had two shafts and two

propeller A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...

s. The boat was capable of operating at depths of up to . The submarine had a maximum surface speed of and a maximum submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . ''U-180'' was fitted with six

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s (four fitted at the bow and two at the stern), 24

torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, su ...

es, one SK C/32 naval gun, 150 rounds, and a SK C/30 with 2575 rounds as well as two C/30 anti-aircraft guns with 8100 rounds. The boat had a

complement A complement is something that completes something else. Complement may refer specifically to: The arts * Complement (music), an interval that, when added to another, spans an octave ** Aggregate complementation, the separation of pitch-class ...

of fifty-five.

Service history

First patrol

''U-180'' sailed from

Kiel Kiel () is the capital and most populous city in the northern Germany, German state of Schleswig-Holstein, with a population of 246,243 (2021). Kiel lies approximately north of Hamburg. Due to its geographic location in the southeast of the J ...

on 8 February 1943, with the leader of the

Indian National Army The Indian National Army (INA; ''Azad Hind Fauj'' ; 'Free Indian Army') was a collaborationist armed force formed by Indian collaborators and Imperial Japan on 1 September 1942 in Southeast Asia during World War II. Its aim was to secure In ...

Netaji

Subhas Chandra Bose Subhas Chandra Bose ( ; 23 January 1897 – 18 August 1945 * * * * * * * * *) was an Indian nationalist whose defiance of British authority in India made him a hero among Indians, but his wartime alliances with Nazi Germany and Imperia ...

and his aide Abid Hasan aboard. On 18 April ''U-180'' sank the British 8,132 GRT tanker ''Corbis'' about east southeast of

Port Elizabeth Gqeberha (), formerly Port Elizabeth and colloquially often referred to as P.E., is a major seaport and the most populous city in the Eastern Cape province of South Africa. It is the seat of the Nelson Mandela Bay Metropolitan Municipality, Sou ...

, South Africa. Nine days later, on 27 April, the boat made her rendezvous with the

Imperial Japanese Navy The Imperial Japanese Navy (IJN; Kyūjitai: Shinjitai: ' 'Navy of the Greater Japanese Empire', or ''Nippon Kaigun'', 'Japanese Navy') was the navy of the Empire of Japan from 1868 to 1945, when it was dissolved following Japan's surrender ...

, just east of

Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa ...

in the

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or ~19.8% of the water on Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia to the east. To the south it is bounded by th ...

, Bose and Hassan boarded I-29 and two Japanese naval officers, both shipbuilding officers, Captains Emi Tetsushiro and Tomonaga Hideo, who were to study U-boat building techniques upon their arrival in Germany, boarded U-180. Bose and Hasan's transfer is the only known record of a civilian transfer between two submarines of two different navies in World War II. Also received were two

tonne The tonne ( or ; symbol: t) is a unit of mass equal to 1000 kilograms. It is a non-SI unit accepted for use with SI. It is also referred to as a metric ton to distinguish it from the non-metric units of the short ton ( United State ...

s of gold ingots as payment from Japan for weapons technology. On the return voyage, ''U-180'' sank the Greek freighter ''Boris '' west of

Ascension Island Ascension Island is an isolated volcanic island, 7°56′ south of the Equator in the South Atlantic Ocean. It is about from the coast of Africa and from the coast of South America. It is governed as part of the British Overseas Territory o ...

on 3 June 1943. During this voyage, ''U-180'' was supplied by on the way to the exchange. She was supposed to be refueled by on the way back, but that boat was sunk by the British on 16 May 1943. On 19 June, ''U-180'' was refueled by .

Second patrol and loss

Under the command of ''

Oberleutnant zur See ''Oberleutnant zur See'' (''OLt zS'' or ''OLZS'' in the German Navy, ''Oblt.z.S.'' in the ''Kriegsmarine'') is traditionally the highest rank of Lieutenant in the German Navy. It is grouped as OF-1 in NATO. The rank was introduced in the Imper ...

'' Rolf Riesen (Crew 38), ''U-180'' sailed from

Bordeaux Bordeaux ( , ; Gascon oc, Bordèu ; eu, Bordele; it, Bordò; es, Burdeos) is a port city on the river Garonne in the Gironde department, Southwestern France. It is the capital of the Nouvelle-Aquitaine region, as well as the prefectur ...

on 20 August 1944 bound for Japan. She was reported sunk off the

Bay of Biscay The Bay of Biscay (), known in Spain as the Gulf of Biscay ( es, Golfo de Vizcaya, eu, Bizkaiko Golkoa), and in France and some border regions as the Gulf of Gascony (french: Golfe de Gascogne, oc, Golf de Gasconha, br, Pleg-mor Gwaskogn), ...

on 23 August 1944, with the loss of all of her 56 crew. The official verdict is "sunk by a mine", however, some experts speculate that trouble with the schnorkel (the underwater breathing and engine operating device), may have been the cause.

Summary of raiding history

Media

* ''U-180'' is the submarine shown in the 2004 Bollywood film '' Netaji Subhas Chandra Bose: The Forgotten Hero'' where Netaji Subhas Chandra Bose travels with the German submarine U-180 around the Cape of Good Hope to the southeast of Madagascar, where he is transferred to the for the rest of the journey to Imperial Japan. * ''U-180'' is the submarine carrying

Nazi Nazism ( ; german: Nazismus), the common name in English for National Socialism (german: Nationalsozialismus, ), is the far-right totalitarian political ideology and practices associated with Adolf Hitler and the Nazi Party (NSDAP) in ...

party secretary,

Martin Bormann Martin Ludwig Bormann (17 June 1900 – 2 May 1945) was a German Nazi Party official and head of the Nazi Party Chancellery. He gained immense power by using his position as Adolf Hitler's private secretary to control the flow of information ...

, to South America in the

Jack Higgins Henry "Harry" Patterson (27 July 1929 – 9 April 2022), commonly known by his pen name Jack Higgins, was a British author. He was a best-selling author of popular thrillers and espionage novels. His novel '' The Eagle Has Landed'' (1975) sol ...

thriller, ''

Thunder Point Thunder Point is a novel in the Sean Dillon series by Jack Higgins, published in 1993. Plot summary Amateur diver Henry Baker goes diving in the Caribbean, when he finds the wreck of a German U-boat. Inside he finds a briefcase which he take ...

''. * ''U-180'' is featured in the thriller ''Spook's Gold'' by Andrew Wood. The rendezvous on 21 April between ''U-180'' and ''I-29'', as well as an exchange of gold and military goods is a key element of the plot.

References

Bibliography

* * *

External links

* *
U-180 and the Secret Operationtrans.
{{DEFAULTSORT:U0180 1941 ships German Type IX submarines Ships built in Bremen (state) Ships lost with all hands Shipwrecks in the Bay of Biscay Subhas Chandra Bose U-boats commissioned in 1942 U-boats sunk by mines U-boats sunk in 1944 Missing U-boats of World War II World War II shipwrecks in the Atlantic Ocean World War II submarines of Germany Maritime incidents in August 1944