German battleship Tirpitz
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''Tirpitz'' was the second of two s 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'' (navy) prior to and during the Second World War. Named after Grand Admiral
Alfred von Tirpitz Alfred Peter Friedrich von Tirpitz (19 March 1849 – 6 March 1930) was a German grand admiral, Secretary of State of the German Imperial Naval Office, the powerful administrative branch of the German Imperial Navy from 1897 until 1916. Prussi ...
, the architect of the ''Kaiserliche Marine'' (Imperial Navy), the ship was laid down at the
Kriegsmarinewerft Wilhelmshaven Kriegsmarinewerft (or, prior to 1935, Reichsmarinewerft) Wilhelmshaven was, between 1918 and 1945, a naval shipyard in the German Navys extensive base at Wilhelmshaven, ( west of Hamburg). History The shipyard was founded on the site of the Wilh ...
in November 1936 and her hull was launched two and a half years later. Work was completed in February 1941, when she was commissioned into the German fleet. Like her sister ship, , ''Tirpitz'' was armed with a main battery of eight
guns A gun is a ranged weapon designed to use a shooting tube (gun barrel) to launch projectiles. The projectiles are typically solid, but can also be pressurized liquid (e.g. in water guns/cannons, spray guns for painting or pressure washing, ...
in four twin turrets. After a series of wartime modifications she was 2000 tonnes heavier than ''Bismarck'', making her the heaviest battleship ever built by a European navy. After completing
sea trial A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a " shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and ...
s in early 1941, ''Tirpitz'' briefly served as the centrepiece of the Baltic Fleet, which was intended to prevent a possible break-out attempt by the
Soviet Baltic Fleet , image = Great emblem of the Baltic fleet.svg , image_size = 150 , caption = Baltic Fleet Great ensign , dates = 18 May 1703 – present , country = , allegiance = (1703–1721) (1721–1917) (1917–1922) (1922–1991)(1991–present) ...
. In early 1942, the ship sailed to Norway to act as a deterrent against an Allied invasion. While stationed in Norway, ''Tirpitz'' was also intended to be used to intercept Allied convoys to the Soviet Union, and two such missions were attempted in 1942. This was the only feasible role for her, since the St Nazaire Raid had made operations against the Atlantic convoy lanes too risky. ''Tirpitz'' acted as a
fleet in being In naval warfare, a "fleet in being" is a naval force that extends a controlling influence without ever leaving port. Were the fleet to leave port and face the enemy, it might lose in battle and no longer influence the enemy's actions, but while ...
, forcing the British
Royal Navy The Royal Navy (RN) is the United Kingdom's naval warfare force. Although warships were used by English and Scottish kings from the early medieval period, the first major maritime engagements were fought in the Hundred Years' War against ...
to retain significant naval forces in the area to contain the battleship. In September 1943, ''Tirpitz'', along with the battleship , bombarded Allied positions on Spitsbergen, the only time the ship used her main battery in an offensive role. Shortly thereafter, the ship was damaged in an attack by British mini-submarines and subsequently subjected to a series of large-scale air raids. On 12 November 1944, British Lancaster bombers equipped with "Tallboy" bombs scored two direct hits and a near miss which caused the ship to
capsize Capsizing or keeling over occurs when a boat or ship is rolled on its side or further by wave action, instability or wind force beyond the angle of positive static stability or it is upside down in the water. The act of recovering a vessel fro ...
rapidly. A deck fire spread to the ammunition magazine for one of the main battery turrets, which caused a large explosion. Figures for the number of men killed in the attack range from 950 to 1,204. Between 1948 and 1957, the wreck was broken up by a joint Norwegian and German salvage operation.


Design

The two s were designed in the mid-1930s by the German '' Kriegsmarine'' as a counter to French naval expansion, specifically the two s France had started in 1935. Laid down after the signing of the
Anglo-German Naval Agreement The Anglo-German Naval Agreement (AGNA) of 18 June 1935 was a naval agreement between the United Kingdom and Germany regulating the size of the '' Kriegsmarine'' in relation to the Royal Navy. The Anglo-German Naval Agreement fixed a ratio whe ...
of 1935, ''Tirpitz'' and her
sister A sister is a woman or a girl who shares one or more parents with another individual; a female sibling. The male counterpart is a brother. Although the term typically refers to a family, familial relationship, it is sometimes used endearingly to r ...
were nominally within the limit imposed by the Washington regime that governed battleship construction in the interwar period. The ships secretly exceeded the figure by a wide margin, though before either vessel was completed, the international treaty system had fallen apart following Japan's withdrawal in 1937, allowing signatories to invoke an "escalator clause" that permitted displacements as high as . ''Tirpitz'' displaced as built and fully loaded, with a length of , a beam of and a maximum
draft Draft, The Draft, or Draught may refer to: Watercraft dimensions * Draft (hull), the distance from waterline to keel of a vessel * Draft (sail), degree of curvature in a sail * Air draft, distance from waterline to the highest point on a vesse ...
of . Her standard crew numbered 103 officers and 1,962 enlisted men; during the war this was increased to 108 officers and 2,500 men. She was powered by three
Brown, Boveri & Cie Brown, Boveri & Cie. (Brown, Boveri & Company; BBC) was a Swiss group of electrical engineering companies. It was founded in Zürich, in 1891 by Charles Eugene Lancelot Brown and Walter Boveri who worked at the Maschinenfabrik Oerlikon. In 1 ...
geared steam turbines, each driving a
screw 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 ...
, with steam provided by twelve oil-fired Wagner superheated
water-tube boiler A high pressure watertube boiler (also spelled water-tube and water tube) is a type of boiler in which water circulates in tubes heated externally by the fire. Fuel is burned inside the furnace, creating hot gas which boils water in the steam-gen ...
s. Her propulsion system developed a total of and yielded a maximum speed of on speed trials. She was armed with eight 38 cm SK C/34 L/52 guns arranged in four twin
gun turret A gun turret (or simply turret) is a mounting platform from which weapons can be fired that affords protection, visibility and ability to turn and aim. A modern gun turret is generally a rotatable weapon mount that houses the crew or mechani ...
s: two superfiring turrets forward—Anton and Bruno—and two aft—Caesar and Dora. Her secondary armament consisted of twelve 15 cm L/55 guns, sixteen 10.5 cm L/65 and sixteen L/83, and initially twelve C/30 anti-aircraft guns. The number of 2 cm guns was eventually increased to 58. After 1942, eight above-water
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 were installed in two quadruple mounts, one mount on each side of the ship. As built, ''Tirpitz'' was equipped with Model 23 search radars mounted on the forward, foretop, and rear rangefinders. These were later replaced with Model 27 and then Model 26 radars, which had a larger antenna array. A Model 30 radar, known as the ''
Hohentwiel Hohentwiel is an extinct volcano in the Hegau region of Baden-Württemberg in southern Germany The mountain is west of the city of Singen and 20 miles (30 km) from Lake Constance. Hohentwiel began forming, along with the chain of vol ...
'', was mounted in 1944 in her topmast, and a Model 213 ''
Würzburg Würzburg (; Main-Franconian: ) is a city in the region of Franconia in the north of the German state of Bavaria. Würzburg is the administrative seat of the ''Regierungsbezirk'' Lower Franconia. It spans the banks of the Main River. Würzburg ...
'' fire-control radar was added on her stern Flak rangefinders. The ship's
main belt The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits of the planets Jupiter and Mars. It contains a great many solid, irregularly shaped bodies, of many sizes, but much smaller than planets, called ...
was thick and was covered by a pair of upper and main armoured decks that were and thick, respectively. The 38 cm turrets were protected by thick faces and thick sides.


Service history

''Tirpitz'' was ordered as ''Ersatz Schleswig-Holstein'' as a replacement for the old
pre-dreadnought Pre-dreadnought battleships were sea-going battleships built between the mid- to late- 1880s and 1905, before the launch of in 1906. The pre-dreadnought ships replaced the ironclad battleships of the 1870s and 1880s. Built from steel, protec ...
, under the contract name "G". The ''Kriegsmarinewerft'' shipyard in
Wilhelmshaven Wilhelmshaven (, ''Wilhelm's Harbour''; Northern Low Saxon: ''Willemshaven'') is a coastal town in Lower Saxony, Germany. It is situated on the western side of the Jade Bight, a bay of the North Sea, and has a population of 76,089. Wilhelmsh ...
was awarded the contract, where the keel was laid on 20 October 1936. The hull was launched on 1 April 1939; during the elaborate ceremonies, the ship was christened by Ilse von Hassell, the daughter of Admiral
Alfred von Tirpitz Alfred Peter Friedrich von Tirpitz (19 March 1849 – 6 March 1930) was a German grand admiral, Secretary of State of the German Imperial Naval Office, the powerful administrative branch of the German Imperial Navy from 1897 until 1916. Prussi ...
, the ship's namesake. Adolf von Trotha, a former admiral in the
Imperial German Navy The Imperial German Navy or the Imperial Navy () was the navy of the German Empire, which existed between 1871 and 1919. It grew out of the small Prussian Navy (from 1867 the North German Federal Navy), which was mainly for coast defence. Kaise ...
, spoke at the ship's launching, which was also attended by
Adolf Hitler Adolf Hitler (; 20 April 188930 April 1945) was an Austrian-born German politician who was dictator of Nazi Germany, Germany from 1933 until Death of Adolf Hitler, his death in 1945. Adolf Hitler's rise to power, He rose to power as the le ...
.
Fitting-out Fitting out, or outfitting, is the process in shipbuilding that follows the float-out/launching of a vessel and precedes sea trials. It is the period when all the remaining construction of the ship is completed and readied for delivery to her o ...
work was completed by February 1941. British bombers repeatedly attacked the harbour in which the ship was being built; no bombs struck ''Tirpitz'', but the attacks slowed construction work. ''Tirpitz'' was commissioned into the fleet on 25 February for
sea trials A sea trial is the testing phase of a watercraft (including boats, ships, and submarines). It is also referred to as a "shakedown cruise" by many naval personnel. It is usually the last phase of construction and takes place on open water, and i ...
, which were conducted in the Baltic. After sea trials, ''Tirpitz'' was stationed in
Kiel Kiel () is the capital and most populous city in the northern 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 Jutland ...
and performed intensive training in the Baltic. While the ship was in Kiel, Germany invaded the Soviet Union. A temporary Baltic Fleet was created to prevent the breakout of the Soviet fleet based in
Leningrad Saint Petersburg ( rus, links=no, Санкт-Петербург, a=Ru-Sankt Peterburg Leningrad Petrograd Piter.ogg, r=Sankt-Peterburg, p=ˈsankt pʲɪtʲɪrˈburk), formerly known as Petrograd (1914–1924) and later Leningrad (1924–1991), i ...
. ''Tirpitz'' was briefly made the flagship of the squadron, which consisted of the
heavy cruiser The heavy cruiser was a type of cruiser, a naval warship designed for long range and high speed, armed generally with naval guns of roughly 203 mm (8 inches) in caliber, whose design parameters were dictated by the Washington Naval T ...
, the
light cruiser A light cruiser is a type of small or medium-sized warship. The term is a shortening of the phrase "light armored cruiser", describing a small ship that carried armor in the same way as an armored cruiser: a protective belt and deck. Prior to th ...
s , , , and , several destroyers, and two flotillas of
minesweepers A minesweeper is a small warship designed to remove or detonate naval mines. Using various mechanisms intended to counter the threat posed by naval mines, minesweepers keep waterways clear for safe shipping. History The earliest known usage of ...
. The Baltic Fleet, under the command of Vice Admiral
Otto Ciliax Otto Ciliax (30 October 1891 – 12 December 1964) was a German naval officer who served in the navies of the German Empire, the Weimar Republic and Nazi Germany. As an admiral during World War II, he commanded the German battleships. He was a re ...
, patrolled off
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from 23 to 26 September 1941, after which the unit was disbanded and ''Tirpitz'' resumed training. During the training period, ''Tirpitz'' tested her primary and secondary guns on the old
pre-dreadnought battleship Pre-dreadnought battleships were sea-going battleships built between the mid- to late- 1880s and 1905, before the launch of in 1906. The pre-dreadnought ships replaced the ironclad battleships of the 1870s and 1880s. Built from steel, protec ...
, which had been converted into a radio-controlled
target ship A target ship is a vessel — typically an obsolete or captured warship — used as a seaborne target for naval gunnery practice or for weapons testing. Targets may be used with the intention of testing effectiveness of specific types of ammunit ...
. The British
Royal Air Force The Royal Air Force (RAF) is the United Kingdom's air and space force. It was formed towards the end of the First World War on 1 April 1918, becoming the first independent air force in the world, by regrouping the Royal Flying Corps (RFC) an ...
(RAF) continued to launch unsuccessful bombing raids on ''Tirpitz'' while she was stationed in Kiel.


Deployment to Norway

Grand Admiral
Erich Raeder Erich Johann Albert Raeder (24 April 1876 – 6 November 1960) was a German admiral who played a major role in the naval history of World War II. Raeder attained the highest possible naval rank, that of grand admiral, in 1939, becoming the f ...
, the commander of the ''Kriegsmarine'', proposed on 13 November that ''Tirpitz'' be deployed to Norway. The ship would be able to attack convoys bound for the Soviet Union, and act as a
fleet in being In naval warfare, a "fleet in being" is a naval force that extends a controlling influence without ever leaving port. Were the fleet to leave port and face the enemy, it might lose in battle and no longer influence the enemy's actions, but while ...
to tie down British naval assets and deter an Allied invasion of Norway. Hitler, who had forbidden an Atlantic sortie after the loss of ''Bismarck'', agreed to the proposal. The ship was taken into dock for modifications for the deployment. The ship's anti-aircraft battery was strengthened, and the 10.5 cm guns on the superstructure next to the catapult were moved outboard to increase their field of fire. The two quadruple 53.3 cm torpedo tube mounts were also installed during this refit. The ship's commander, ''
Kapitän zur See Captain is the name most often given in English-speaking navies to the rank corresponding to command of the largest ships. The rank is equal to the army rank of colonel and air force rank of group captain. Equivalent ranks worldwide include ...
(KzS–Captain at Sea)'' Karl Topp, pronounced the ship ready for combat operations on 10 January 1942. The following day, ''Tirpitz'' left for Wilhelmshaven, a move designed to conceal her actual destination. The ship left Wilhelmshaven at 23:00 on 14 January and made for
Trondheim Trondheim ( , , ; sma, Tråante), historically Kaupangen, Nidaros and Trondhjem (), is a city and municipality in Trøndelag county, Norway. As of 2020, it had a population of 205,332, was the third most populous municipality in Norway, and ...
. British military intelligence, which was capable of decrypting the
Enigma Enigma may refer to: *Riddle, someone or something that is mysterious or puzzling Biology *ENIGMA, a class of gene in the LIM domain Computing and technology * Enigma (company), a New York-based data-technology startup * Enigma machine, a family ...
messages sent by the German navy, detected the departure of the vessel, but poor weather in Britain prevented action by the RAF. Admiral
John Tovey Admiral of the Fleet John Cronyn Tovey, 1st Baron Tovey, (7 March 1885 – 12 January 1971), sometimes known as Jack Tovey, was a Royal Navy officer. During the First World War he commanded the destroyer at the Battle of Jutland and then co ...
, the commander in chief of the British Home Fleet, was not made aware of ''Tirpitz''s activities until 17 January, well after the ship had arrived in Norway. On 16 January, British aerial reconnaissance located the ship in Trondheim. ''Tirpitz'' then moved to the Fættenfjord, just north-east of Trondheim. The movement was codenamed Operation Polarnacht (Polar Night); the battleship was escorted by the destroyers , , and for the voyage. The
Norwegian resistance movement The Norwegian resistance (Norwegian: ''Motstandsbevegelsen'') to the occupation of Norway by Nazi Germany began after Operation Weserübung in 1940 and ended in 1945. It took several forms: *Asserting the legitimacy of the exiled governmen ...
transmitted the location to London. She was moored next to a cliff, which protected the ship from air attacks from the southwest. The ship's crew cut down trees and placed them aboard ''Tirpitz'' to camouflage her. The crew also frequently hid the entire ship from
aerial reconnaissance Aerial reconnaissance is reconnaissance for a military or strategic purpose that is conducted using reconnaissance aircraft. The role of reconnaissance can fulfil a variety of requirements including artillery spotting, the collection of i ...
and attacks inside a cloud of artificial fog, created using water and chlorosulfuric acid. Additional anti-aircraft batteries were installed around the fjord, as were anti-torpedo nets and heavy booms in the entrance to the anchorage. ''Tirpitz'' was known as the "Lonely Queen of the North" because she was so rarely deployed,Winston, George, (1 May 2018)
The Effects of the Lonely Queen Still Seen Among the Trees of Norway
, War History Online; accessed 2020.04.01.
and life for her crew was very monotonous. Frequent fuel shortages curtailed training and kept the battleship and her escorts moored behind their protective netting. The crew was primarily occupied with maintaining the ship and continuously manning anti-aircraft defences. Sports activities were organised to keep the crew occupied and physically fit.


Operations against Allied convoys

Several factors hindered ''Tirpitz''s freedom of operation in Norway. The most pressing were shortages of fuel and the withdrawal of the German destroyer forces to support
Operation Cerberus The Channel Dash (german: Unternehmen Zerberus, Operation Cerberus) was a German naval operation during the Second World War. (Cerberus), a three-headed dog of Greek mythology who guards the gate to Hades. A (German Navy) squadron compris ...
, the movement of the battleships and and the heavy cruiser through the
English Channel The English Channel, "The Sleeve"; nrf, la Maunche, "The Sleeve" (Cotentinais) or ( Jèrriais), (Guernésiais), "The Channel"; br, Mor Breizh, "Sea of Brittany"; cy, Môr Udd, "Lord's Sea"; kw, Mor Bretannek, "British Sea"; nl, Het Kana ...
. These caused a planned attack against the outbound convoy PQ 8 at the end of January to be abandoned. A planned British air attack at the end of January by four-engined heavy bombers was disrupted by poor weather over the target, which prevented the aircraft from finding the ship. In early February, ''Tirpitz'' took part in the deceptions that distracted the British in the run-up to Operation Cerberus. These included steaming out of the fjord and the appearance of preparations for a sortie into the
North Sea The North Sea lies between Great Britain, Norway, Denmark, Germany, the Netherlands and Belgium. An epeiric sea, epeiric sea on the European continental shelf, it connects to the Atlantic Ocean through the English Channel in the south and the ...
. Later that month, the ship was reinforced by the heavy cruisers ''Admiral Scheer'' and ''Prinz Eugen'' and several destroyers. ''Prinz Eugen'' had been torpedoed by a British submarine at the entrance to the Fættenfjord, and was temporarily out of action. In March 1942 ''Tirpitz'' and ''Admiral Scheer'', along with the destroyers , ''Z5 Paul Jakobi'', and and a pair of
torpedo boat A torpedo boat is a relatively small and fast naval ship designed to carry torpedoes into battle. The first designs were steam-powered craft dedicated to ramming enemy ships with explosive spar torpedoes. Later evolutions launched variants of ...
s, were intended to attack the homebound convoy QP 8 and the outbound Convoy PQ 12 as part of ''Unternehmen Sportpalast'' (Operation Sports Palace). ''Admiral Scheer'', with a design speed of , was too slow to operate with ''Tirpitz'' and was left in port, as was the destroyer ''Paul Jakobi''. The two torpedo boats were also released from the operation. On 5 March,
Luftwaffe The ''Luftwaffe'' () was the aerial-warfare branch of the German ''Wehrmacht'' before and during World War II. Germany's military air arms during World War I, the ''Luftstreitkräfte'' of the Imperial Army and the '' Marine-Fliegerabtei ...
reconnaissance aircraft spotted PQ 12 near
Jan Mayen Island Jan Mayen () is a Norwegian volcanic island in the Arctic Ocean with no permanent population. It is long (southwest-northeast) and in area, partly covered by glaciers (an area of around the Beerenberg volcano). It has two parts: larger n ...
; the reconnaissance failed to note the battleship or the battlecruiser , both of which were escorting the convoy, along with four destroyers. Unknown to the Germans, Admiral Tovey was providing distant support to the convoys with the battleship , the aircraft carrier , the heavy cruiser , and six destroyers. Enigma intercepts again forewarned the British of ''Tirpitz''s attack, which allowed them to reroute the convoys. Admiral Tovey attempted to pursue ''Tirpitz'' on 9 March, but Admiral Otto Ciliax, the commander of the German squadron, had decided to return to port the previous evening. An air attack was launched early on the 9th; twelve
Fairey Albacore The Fairey Albacore is a single-engine biplane torpedo bomber designed and produced by the British aircraft manufacturer Fairey Aviation. It was primarily operated by the Royal Navy Fleet Air Arm (FAA) and was heavily used during the Second ...
torpedo bombers attacked the ship in three groups, and ''Tirpitz'' successfully evaded the torpedoes. Only three men were wounded in the attack. ''Tirpitz''s anti-aircraft gunners shot down two of the British aircraft. After the conclusion of the attack, ''Tirpitz'' made for Vestfjord, and from there to Trondheim, arriving on the evening of 13 March. On 30 March, thirty-three Halifax bombers attacked the ship; they scored no hits, and five aircraft were shot down. The RAF launched a pair of unsuccessful strikes in late April. On the night of 27–28 April, thirty-one Halifaxes and twelve Lancasters attacked; five of the bombers were shot down. Another raid, composed of twenty-three Halifaxes and eleven Lancasters, took place the following night. Two of the bombers were shot down by the German anti-aircraft defences. The actions of ''Tirpitz'' and her escorting destroyers in March used up of fuel oil, which greatly reduced the available fuel supply. It took the Germans three months to replenish the fuel spent in the attempt to intercept the two Allied convoys. Convoy PQ 17, which left Iceland on 27 June bound for the Soviet Union, was the next convoy targeted by ''Tirpitz'' and the rest of the German fleet stationed in Norway, during ''Unternehmen Rösselsprung'' ( Operation Knight's Move). Escorting the convoy were the battleships ''Duke of York'' and and the carrier ''Victorious''. ''Tirpitz'', , and six destroyers sortied from Trondheim, while a second task force consisting of , ''Admiral Scheer'', and six destroyers operated from Narvik and Bogenfjord. ''Lützow'' and three of the destroyers struck uncharted rocks while en route to the rendezvous and had to return to port. Shortly after ''Tirpitz'' left Norway, the Soviet submarine ''K-21'' fired two or four torpedoes at the ship, all of which missed. The Soviets claimed two hits on the battleship. Swedish intelligence had meanwhile reported the German departures to the British Admiralty, which ordered the convoy to disperse. Aware that they had been detected, the Germans aborted the operation and turned over the attack to
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 ro ...
s and the Luftwaffe. The scattered vessels could no longer be protected by the convoy escorts, and the Germans sank 21 of the 34 isolated transports. ''Tirpitz'' returned to
Altafjord Altafjord ( en, Alta Fjord;Koop, Gerhard, & Klaus-Peter Schmolke. 2000. ''Heavy Cruisers of the Admiral Hipper Class: Warships of the Kriegsmarine''. Barnsley, UK: Seaforth Publishing, p. 55. no, Altafjorden; fkv, Alattionvuono) is a fjord in A ...
via the
Lofoten Islands Lofoten () is an archipelago and a traditional district in the county of Nordland, Norway. Lofoten has distinctive scenery with dramatic mountains and peaks, open sea and sheltered bays, beaches and untouched lands. There are two towns, Svolvæ ...
. Following ''Rösselsprung'', the Germans moved ''Tirpitz'' to Bogenfjord near Narvik. By this time, the ship needed a major overhaul. Hitler had forbidden the ship to make the dangerous return to Germany, and so the overhaul was conducted in Trondheim. On 23 October, the ship left Bogenfjord and returned to Fættenfjord outside Trondheim. The defences of the anchorage were further strengthened; additional anti-aircraft guns were installed, and double anti-torpedo nets were laid around the vessel. The repairs were conducted in limited phases, so ''Tirpitz'' would remain partially operational for the majority of the overhaul. A caisson was built around the stern to allow the replacement of the ship's rudders. During the repair process, the British attempted to attack the battleship with two Chariot human torpedoes, but before they could be launched, rough seas caused them to break away from the fishing vessel which was towing them. By 28 December, the overhaul had been completed, and ''Tirpitz'' began sea trials. She conducted gunnery trials on 4 January 1943 in Trondheim Fjord. On 21 February, Topp was promoted to Rear Admiral and was replaced by Captain Hans Meyer; five days later the battleship ''Scharnhorst'' was ordered to reinforce the fleet in Norway. Vice Admiral
Oskar Kummetz __NOTOC__ Oskar Kummetz (21 July 1891 – 17 December 1980) was an admiral with the Kriegsmarine during World War II. He also served in the Kaiserliche Marine during World War I. Kummetz was awarded the Knight's Cross of the Iron Cross for his ac ...
was given command of the warships stationed in Norway. By the time ''Scharnhorst'' arrived in Norway in March 1943, Allied convoys to the Soviet Union had temporarily ceased. To give the ships an opportunity to work together, Admiral Karl Dönitz, who had replaced Raeder in the aftermath of the Battle of the Barents Sea on 31 December 1942, ordered an attack on Spitzbergen, which housed a British weather station and refuelling base. Spitzbergen was defended by a garrison of 152 men from the Norwegian Armed Forces in exile. The two battleships, escorted by ten destroyers, left port on 6 September; in a ''ruse de guerre'', ''Tirpitz'' flew the
white ensign The White Ensign, at one time called the St George's Ensign due to the simultaneous existence of a cross-less version of the flag, is an ensign worn on British Royal Navy ships and shore establishments. It consists of a red St George's Cross ...
on the approach to the island the following day. During the bombardment, ''Tirpitz'' fired 52 main-battery shells and 82 rounds from her 15 cm secondaries. This was the first and only time the ship fired her main battery at an enemy surface target. An assault force destroyed shore installations and captured 74 prisoners. By 11:00, the battleships had destroyed their targets and headed back to their Norwegian ports.


British attacks on ''Tirpitz''


Operation Source

The British were determined to neutralise ''Tirpitz'' and remove the threat she posed to the Allied arctic convoys. Following the repeated, ineffectual bombing attacks and the failed torpedo attack in October 1942, the British turned to the newly designed X Craft
midget submarine A midget submarine (also called a mini submarine) is any submarine under 150 tons, typically operated by a crew of one or two but sometimes up to six or nine, with little or no on-board living accommodation. They normally work with mother ships, ...
s. The planned attack,
Operation Source Operation Source was a series of attacks to neutralise the heavy German warships – ''Tirpitz'', ''Scharnhorst'' and ''Lützow'' – based in northern Norway, using X-class midget submarines. The attacks took place in September 1943 at Kaa ...
, included attacks on ''Tirpitz'', ''Scharnhorst'', and ''Lützow''. The X Craft were towed by large submarines to their destinations, where they could slip under anti-torpedo nets and each drop two powerful two-tonne mines onto the sea bed under the target. Ten vessels were assigned to the operation, scheduled for 20–25 September 1943. Only eight of them reached Kåfjord in Norway for the attack, which began early on 22 September. Three of the vessels, ''X5'', ''X6'', and ''X7'', successfully breached ''Tirpitz''s defences, two of which—''X6'' and ''X7''—managed to lay their mines. ''X5'' was detected from the nets and sunk by a combination of gunfire and depth charges. The mines damaged the ship extensively. The first exploded abreast of turret Caesar, and the second detonated off the port bow. A fuel oil tank was ruptured, shell plating was torn, a large indentation was formed in the bottom of the ship, and bulkheads in the double bottom buckled. Some of water flooded the ship in fuel tanks and void spaces in the double bottom of the port side, which caused a
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of one to two degrees, which was balanced by counter-flooding on the starboard side. The flooding damaged all of the turbo-generators in generator room No. 2, and all apart from one generator in generator room No. 1 were disabled by broken steam lines or severed power cables. Turret Dora was thrown from its bearings and could not be rotated; this was particularly significant, as there were no heavy-lift cranes in Norway powerful enough to lift the turret and place it back on its bearings. The ship's two
Arado Ar 196 The Arado Ar 196 was a shipboard reconnaissance low-wing monoplane aircraft built by the German firm of Arado starting in 1936. The next year it was selected as the winner of a design contest and became the standard aircraft of the ''Kriegsmarin ...
floatplanes were completely destroyed. Repairs were conducted by the repair ship ; historians William Garzke and Robert Dulin remarked that the successful repair effort was "one of the most notable feats of naval engineering during the Second World War". Repairs lasted until 2 April 1944; full speed trials were scheduled for the following day in Altafjord.


Operation Tungsten

The British were aware that ''Neumark'' and the repair crews left in March, which intimated ''Tirpitz'' was nearly operational. A major air strike— Operation Tungsten—involving the fleet carriers ''Victorious'' and and the escort carriers , , , and , was set for 4 April 1944, but rescheduled a day earlier when Enigma decrypts revealed that ''Tirpitz'' was to depart at 05:29 on 3 April for sea trials. The attack consisted of 40
Barracuda A barracuda, or cuda for short, is a large, predatory, ray-finned fish known for its fearsome appearance and ferocious behaviour. The barracuda is a saltwater fish of the genus ''Sphyraena'', the only genus in the family Sphyraenidae, which was ...
dive-bombers carrying , and armour-piercing bombs and 40 escorting fighters in two waves, scoring fifteen direct hits and two near misses. The aircraft achieved surprise, and only one was lost in the first wave; it took twelve to fourteen minutes for all of ''Tirpitz''s anti-aircraft batteries to be fully manned. The first wave struck at 05:29, as tugs were preparing to assist the ship out of her mooring. The second wave arrived over the target an hour later, shortly after 06:30. Despite the alertness of the German anti-aircraft gunners, only one other bomber was shot down. The air strikes did not penetrate the main armour but nonetheless caused significant damage to the ship's superstructure and inflicted serious casualties. William Garzke and Robert Dulin report the attack killed 122 men and wounded 316 others, while Hildebrand, Röhr, & Steinmetz report 132 fatalities and 270 wounded men, including the ship's commander, ''KzS'' Hans Meyer. Two of the 15 cm turrets were destroyed by bombs, and both Ar 196 floatplanes were destroyed. Several of the bomb hits caused serious fires aboard the ship. Concussive shock disabled the starboard turbine engine, and saltwater used to fight the fires reached the boilers and contaminated the feed water. Some of water flooded the ship, primarily through the two holes in the side shell created by shell splinters from near misses. Water used to fight the fires also contributed to the flooding. Dönitz ordered the ship be repaired, regardless of the cost, despite the fact that he understood ''Tirpitz'' could no longer be used in a surface action because of insufficient fighter support. Repair work began in early May; destroyers ferried important equipment and workers from Kiel to Altafjord over the span of three days. By 2 June, the ship was again able to steam under her own power, and by the end of the month gunnery trials were possible. During the repair process, the 15 cm guns were modified to allow their use against aircraft, and specially-fuzed 38 cm shells for barrage anti-aircraft fire were supplied.


Operations Planet, Brawn, Tiger Claw, Mascot and Goodwood

A series of carrier strikes was planned over the next three months, but bad weather forced their cancellation. A repeat of Operation Tungsten, codenamed Operation Planet, was scheduled for 24 April. Operation Brawn, which was to have been carried out by 27 bombers and 36 fighters from ''Victorious'' and ''Furious'', was to have taken place on 15 May, and Operation Tiger Claw was intended for 28 May. ''Victorious'' and ''Furious'' were joined by for Operation Mascot, which was to have been carried out on 17 July by 62 bombers and 30 fighters. In late August the weather improved, allowing the Goodwood series of attacks. Operations Goodwood I and II were launched on 22 August; a carrier force consisting of the fleet carriers ''Furious'', ''Indefatigable'' and and the escort carriers and launched a total of 38 bombers and 43 escort fighters between the two raids. The attacks failed to inflict any damage on ''Tirpitz'' and three of the attacking aircraft were shot down. Goodwood III followed on 24 August, composed of aircraft from the fleet carriers only. Forty-eight bombers and 29 fighters attacked the ship and scored two hits which caused minor damage. One, a 1,600-pound bomb, penetrated the upper and lower armour decks and came to rest in the No. 4 switchboard room. Its fuze had been damaged and the bomb did not detonate. The second, a bomb, exploded causing superficial damage. Six aircraft were shot down in the attack. Goodwood IV followed on 29 August, with 34 bombers and 25 fighters from ''Formidable'' and ''Indefatigable''. Heavy fog prevented any hits from being scored. ''Tirpitz''s gunners shot down one Firefly and a Corsair. The battleship expended 54 rounds from her main guns, 161 from the 15 cm guns and up to 20 percent of her light anti-aircraft ammunition.


Operations Paravane and Obviate

The ineffectiveness of the great majority of the strikes launched by the
Fleet Air Arm The Fleet Air Arm (FAA) is one of the five fighting arms of the Royal Navy and is responsible for the delivery of naval air power both from land and at sea. The Fleet Air Arm operates the F-35 Lightning II for maritime strike, the AW159 Wil ...
in mid-1944 led to the task of ''Tirpitz''s destruction being transferred to the RAF's No. 5 Group. The RAF used Lancaster bombers to carry Tallboy bombs to penetrate the ship's heavy armour. The first attack, Operation Paravane, took place on 15 September 1944; operating from a forward base at Yagodnik in Russia, 23 Lancasters (17 each carrying one Tallboy and six each carrying twelve JW mines), scored a single hit on the ship's bow. The Tallboy penetrated the ship, exited the keel, and exploded in the bottom of the fjord. The bow was flooded with of water, causing a serious increase in trim forward. The ship was rendered unseaworthy and was limited to . Concussive shock caused severe damage to fire-control equipment. The damage persuaded the naval command to repair the ship for use only as a floating gun battery. Repair work was estimated to take nine months, but patching of the holes could be effected within a few weeks, allowing ''Tirpitz'' to be moved further south to
Tromsø Tromsø (, , ; se, Romsa ; fkv, Tromssa; sv, Tromsö) is a municipality in Troms og Finnmark county, Norway. The administrative centre of the municipality is the city of Tromsø. Tromsø lies in Northern Norway. The municipality is the ...
. On 15 October, the ship made the trip to Tromsø under her own power, the last voyage of her career. The RAF made a second attempt on 29 October, after the ship was moored off Håkøya Island outside Tromsø. Thirty-two Lancasters attacked the ship with Tallboys during Operation Obviate. As on Operation Paravane, No. 9 Squadron and No. 617 Squadron carried out the attack together, which resulted in only one near miss, partially the result of bad weather over the target. The underwater explosion damaged the port rudder and shaft and caused some flooding. ''Tirpitz''s 38 cm fragmentation shells proved ineffective in countering the high-level bombers; one aircraft was damaged by ground-based anti-aircraft guns. Following the attack, the ship's anchorage was significantly improved. A large sandbank was constructed under and around the ship to prevent her from capsizing, and anti-torpedo nets were installed. ''Tirpitz'' retained a one-degree list to port from earlier damage, and this was not corrected by counter-flooding to retain as much reserve buoyancy as possible. The ship was also prepared for her role as a floating artillery platform: fuel was limited to what was necessary to power the turbo-generators, and the crew was reduced to 1,600 officers and enlisted men.


Operation Catechism

Operation Catechism Operation Catechism was a British air raid of World War II that destroyed the German battleship ''Tirpitz''. It was conducted on 12 November 1944 by 29 Royal Air Force heavy bombers that attacked the battleship at its anchorage near the Norwegia ...
, the final British attack on ''Tirpitz'', took place on 12 November 1944. The ship again used her 38 cm guns against the bombers, which approached the battleship at 09:35; ''Tirpitz''s main guns forced the bombers to disperse temporarily, but could not break up the attack. A force of 32 Lancasters from Nos. 9 and 617 Squadrons dropped 29 Tallboys on the ship, landing two direct hits and one near miss. Several other bombs landed within the anti-torpedo net barrier and caused significant cratering of the seabed; this removed much of the sandbank that had been constructed to prevent the ship from capsizing. One bomb penetrated the ship's deck between turrets Anton and Bruno but failed to explode. A second hit
amidships This glossary of nautical terms is an alphabetical listing of terms and expressions connected with ships, shipping, seamanship and navigation on water (mostly though not necessarily on the sea). Some remain current, while many date from the 17th ...
between the aircraft catapult and the funnel and caused severe damage. A very large hole was blown in the ship's side and bottom; the entire section of belt armour abreast of the bomb hit was completely destroyed. A third bomb may have struck the port side of turret Caesar. The amidships hit caused significant flooding and quickly increased the port list to between 15 and 20 degrees. In ten minutes the list increased to 30 to 40 degrees, and the captain issued the order to abandon ship. The list increased to 60 degrees by 09:50; this appeared to stabilise temporarily. Eight minutes later, a large explosion rocked turret Caesar. The turret roof and part of the rotating structure were thrown into the air and into a group of men swimming to shore, crushing them. ''Tirpitz'' rapidly rolled over and buried her superstructure in the sea floor. In the aftermath of the attack, 82 men trapped in the upturned hull were rescued by cutting through the exposed bottom. Figures for the death toll vary from approximately 950 to 1,204. Approximately 200 survivors of the sinking were transferred to the heavy cruiser ''Lützow'' in January 1945. The performance of the Luftwaffe in the defence of ''Tirpitz'' was heavily criticised after her loss. Major Heinrich Ehrler, the commander of III./ Jagdgeschwader 5 (3rd Wing of the 5th Fighter Group), was blamed for the Luftwaffe's failure to intercept the British bombers. He was court-martialled in Oslo and threatened with the death penalty. Evidence was presented that his unit had failed to help the Kriegsmarine when requested. He was sentenced to three years in prison, but was released after a month, demoted, and reassigned to an
Me 262 The Messerschmitt Me 262, nicknamed ''Schwalbe'' (German: "Swallow") in fighter versions, or ''Sturmvogel'' (German: "Storm Bird") in fighter-bomber versions, is a fighter aircraft and fighter-bomber that was designed and produced by the German ...
fighter squadron in Germany. Ehrler was exonerated by further investigations which concluded poor communication between the Kriegsmarine and the Luftwaffe had caused the fiasco; the aircrews had not been informed that ''Tirpitz'' had been moved off Håkøya two weeks before the attack. The wreck of ''Tirpitz'' remained in place until after the war, when a joint German-Norwegian company began salvage operations. Work lasted from 1948 until 1957; fragments of the ship were sold by a Norwegian company.
Ludovic Kennedy Sir Ludovic Henry Coverley Kennedy (3 November 191918 October 2009) was a Scottish journalist, broadcaster, humanist and author best known for re-examining cases such as the Lindbergh kidnapping and the murder convictions of Timothy Evans an ...
wrote in his history of the vessel that she "lived an invalid's life and died a cripple's death".


Footnotes


Citations


References

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Further reading

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External links


The Tirpitz Museum


nbsp;– unpublished photo originated from a private photo album of Soviet Air Forces pilot-observer Feodossiy S. Goryachiy.
Newsreel about the life and death of the ''Tirpitz'' showing RN, FAA and RAF attacks
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