German submarine ''U-407'' was a Type VIIC

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 ...

built for

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 It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic.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 ...

'' during

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 ...

. She 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 12 September 1940 by

Danziger Werft Danziger Werft ( en, The International Shipbuilding and Engineering Company Limited, pl, Stocznia Gdańska) was a shipbuilding company, in Danzig (now Gdańsk, Poland), in what was then the Free City of Danzig. It was founded in 1921 on the site ...

, Danzig as yard number 108, launched on 16 August 1941 and commissioned on 18 December 1941 under ''

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 ...

'' Ernst-Ulrich Brüller.

Design

German Type VIIC submarines German(s) may refer to: * Germany (of or related to) **Germania (historical use) * Germans, citizens of Germany, people of German ancestry, or native speakers of the German language ** For citizens of Germany, see also German nationality law **Ger ...

were preceded by the shorter Type VIIB submarines. ''U-407'' had a displacement of when at the surface and while submerged. She 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 Germaniawerft F46 four-stroke, six-cylinder

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 ...

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 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 ...

GU 343/38–8 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-407'' was fitted with five

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 one at the stern), fourteen

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/35 naval gun, (220 rounds), one Flak M42 and two C/30 anti-aircraft guns. 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 between forty-four and sixty.

Service history

The boat's career began with training at

5th U-boat Flotilla The 5th U-boat Flotilla (German ''5. Unterseebootsflottille''), also known as Emsmann Flotilla, was a U-boat flotilla of Nazi Germany's ''Kriegsmarine'' during World War II. The flotilla was formed in December 1938 in Kiel under the command of '' ...

on 18 December 1941, followed by active service on 1 September 1942 as part of the 9th Flotilla. However, within 3 months, she transferred for operations in the Mediterranean with 29th Flotilla for the remainder of her service. In twelve patrols she sank three merchant ships – including the 19,627 GRT on 11 November 1942 – for a total of , one merchant ship damaged of , two warships damaged (17,900 tons) and one more ship a total loss ; however, some sources claim that the damaging of is to be attributed to the Italian submarine Ascianghi. File:Bundesarchiv Bild 101II-MS-0964-17, Italien, Ernst-Ulrich Brüller auf U-407.jpg, 1942: on ''U-407'' (

La Spezia La Spezia (, or , ; in the local Spezzino dialect) is the capital city of the province of La Spezia and is located at the head of the Gulf of La Spezia in the southern part of the Liguria region of Italy. La Spezia is the second largest city ...

)

Wolfpacks

''U-407'' took part in four wolfpacks, namely: *

Vorwärts ''Vorwärts'' (, "Forward") is a newspaper published by the Social Democratic Party of Germany (SPD). Founded in 1876, it was the central organ of the SPD for many decades. Following the party's Halle Congress (1891), it was published daily as ...

(25 August – 26 September 1942) * Tiger (26 – 28 September 1942) *

Delphin ''Delphin'' (dolphin) was a midget submarine created during World War II. Designed in 1944, only three prototypes were created by Nazi Germany's Kriegsmarine by the end of the war, all of which were destroyed. The ''Delphin'' was built for under ...

(4 – 10 November 1942) *

Wal WAL or Wal may refer to: Places * Wał, Lublin Voivodeship, village in eastern Poland * Wał, Masovian Voivodeship, village in east-central Poland * Wales, constituent nation of the United Kingdom * Wallonia, Walloon Region of Belgium * Wallops F ...

(10 – 15 November 1942)

Fate

''U-407'' was sunk on 19 September 1944 in the

Mediterranean The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the e ...

in position, south of

Milos Milos or Melos (; el, label=Modern Greek, Μήλος, Mílos, ; grc, Μῆλος, Mêlos) is a volcanic Greek island in the Aegean Sea, just north of the Sea of Crete. Milos is the southwesternmost island in the Cyclades group. The ''Venus d ...

, , by depth charges from , and . There were five crew members killed.

Summary of raiding history

References

Notes

Citations

Bibliography

* * * *

External links

* * {{DEFAULTSORT:U0407 German Type VIIC submarines 1941 ships U-boats commissioned in 1941 U-boats sunk in 1944 U-boats sunk by depth charges U-boats sunk by British warships U-boats sunk by Polish warships World War II shipwrecks in the Mediterranean Sea World War II submarines of Germany Ships built in Danzig Maritime incidents in September 1944 Shipwrecks of Greece