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Bismarck was the first of two Bismarck-class battleships built for Nazi Germany's Kriegsmarine. Named after Chancellor Otto von Bismarck, the primary force behind the unification of Germany in 1871, the ship was laid down at the Blohm & Voss shipyard in Hamburg in July 1936 and launched in February 1939. Work was completed in August 1940, when she was commissioned into the German fleet. Bismarck and her sister ship Tirpitz were the largest battleships ever built by Germany, and two of the largest built by any European power.
In the course of the warship's eight-month career under its sole commanding officer, Captain Ernst Lindemann, Bismarck conducted only one offensive operation, in May 1941, codenamed Rheinübung. The ship, along with the heavy cruiser Prinz Eugen, was to break into the Atlantic Ocean and raid Allied shipping from North America to Great Britain. The two ships were detected several times off Scandinavia, and British naval units were deployed to block their route. At the Battle of the Denmark Strait, Bismarck engaged and destroyed the battlecruiser HMS Hood, the pride of the Royal Navy, and forced the battleship HMS Prince of Walesto retreat; Bismarck was hit three times and suffered an oil leak from a ruptured tank.
The destruction of Hood spurred a relentless pursuit by the Royal Navy involving dozens of warships. Two days later, heading for the relative safety of occupied France, Bismarck was attacked by obsolescent Fairey Swordfish biplane torpedo bombers from the aircraft carrier HMS Ark Royal; one scored a hit that rendered the battleship's steering gear inoperable. In her final battle the following morning, Bismarck was neutralised by a sustained bombardment from a British fleet, wasscuttled by her crew, and sank with heavy loss of life. Most experts agree that the battle damage would have caused her to sink eventually. The wreck was located in June 1989 by Robert Ballard, and has since been further surveyed by several other expeditions.
Bismarck was ordered under the name Ersatz Hannover ("Hannover replacement"), a replacement for the old pre-dreadnought SMS Hannover, under contract "F". The contract was awarded to the Blohm & Voss shipyard in Hamburg, where the keel was laid on 1 July 1936 at Helgen IX. The ship was launched on 14 February 1939 and during the elaborate ceremonies was christened by Dorothee von Löwenfeld, granddaughter of Chancellor Otto von Bismarck, the ship's namesake. Adolf Hitler made the christening speech. Fitting-out work followed the launch, during which time the original straight stem was replaced with a raked "Atlantic bow" similar to those of the Scharnhorst-class battleships. Bismarck was commissioned into the fleet on 24 August 1940 for sea trials, which were conducted in the Baltic. Kapitän zur See Ernst Lindemann took command of the ship at the time of commissioning.
Bismarck displaced 41,700 t (41,000 long tons) as built and 50,300 t (49,500 long tons) fully loaded, with an overall length of 251 m (823 ft 6 in), a beam of 36 m (118 ft 1 in) and a maximum draft of 9.9 m (32 ft 6 in). The battleship was Germany's largest warship, and displaced more than any other European battleship, with the exception of HMS Vanguard, commissioned after the end of the war. Bismarck was powered by three Blohm & Voss geared steam turbines and twelve oil-fired Wagner superheatedboilers, which developed a total of 148,116 shp (110,450 kW) and yielded a maximum speed of 30.01 knots (55.58 km/h; 34.53 mph) on speed trials. The ship had a cruising range of 8,870 nautical miles (16,430 km; 10,210 mi) at 19 knots (35 km/h; 22 mph). Bismarck was equipped with three FuMO 23 search radar sets, mounted on the forward and stern rangefinders and foretop.
The standard crew numbered 103 officers and 1,962 enlisted men. The crew was divided into twelve divisions of between 180 and 220 men. The first six divisions were assigned to the ship's armament, divisions one to four for the main and secondarybatteries and five and six manning anti-aircraft guns. The seventh division consisted of specialists, including cooks and carpenters, and the eighth division consisted of ammunition handlers. The radio operators, signalmen, and quartermasters were assigned to the ninth division. The last three divisions were theengine room personnel. When Bismarck left port, fleet staff, prize crews, and war correspondents increased the crew complement to over 2,200 men. Roughly 200 of the engine room personnel came from the light cruiser Karlsruhe, which had been lost during Operation Weserübung, the German invasion of Norway.Bismarck's crew published a ship's newspaper titled Die Schiffsglocke (The Ship's Bell); this paper was only published once, on 23 April 1941, by the commander of the engineering department, Gerhard Junack.
Bismarck was armed with eight 38 cm (15 in) SK C/34 guns arranged in four twin gun turrets: two super-firing turrets forward—"Anton" and "Bruno"—and two aft—"Caesar" and "Dora".[c] Secondary armament consisted of twelve 15 cm (5.9 in) L/55 guns, sixteen 10.5 cm (4.1 in) L/65 and sixteen 3.7 cm (1.5 in) L/83, and twelve 2 cm (0.79 in) anti-aircraft guns. Bismarck also carried four Arado Ar 196 reconnaissance floatplanes, with a single large hangar and a double-endedcatapult. The ship's main belt was 320 mm (12.6 in) thick and was covered by a pair of upper and main armoured decks that were 50 mm (2.0 in) and 100 to 120 mm (3.9 to 4.7 in) thick, respectively. The 38 cm (15 in) turrets were protected by 360 mm (14.2 in) thick faces and 220 mm (8.7 in) thick sides.
On 15 September 1940, three weeks after commissioning, Bismarck left Hamburg to begin sea trials in Kiel Bay. Sperrbrecher 13 escorted the ship to Arcona on 28 September, and then on to Gotenhafen for trials in the Gulf of Danzig. The ship's power-plant was given a thorough workout; Bismarck made measured-mile and high speed runs. As the ship's stability and manoeuvrability were being tested, a flaw in her design was discovered. When attempting to steer the ship solely through alteringpropeller revolutions, the crew learned that Bismarck could be kept on course only with great difficulty. Even with the outboard screws running at full power in opposite directions, they generated only a slight turning ability. Bismarck's main battery guns were first test-fired in late November. The tests proved she was a very stable gun platform. Trials lasted until December; Bismarck returned to Hamburg, arriving on 9 December, for minor alterations and the completion of the fitting-out process.
The ship was scheduled to return to Kiel on 24 January 1941, but a merchant vessel had been sunk in the Kiel Canal and prevented use of the waterway. Severe weather hampered efforts to remove the wreck, and Bismarck was not able to reach Kiel until March. The delay greatly frustrated Lindemann, who remarked that "[Bismarck] had been tied down at Hamburg for five weeks ... the precious time at sea lost as a result cannot be made up, and a significant delay in the final war deployment of the ship thus is unavoidable." While waiting to reach Kiel, Bismarck hosted Captain Anders Forshell, the Swedish naval attaché to Berlin. He returned to Sweden with a detailed description of the ship, which was subsequently leaked to Britain by pro-British elements in the Swedish Navy. The information provided the Royal Navy with its first full description of the vessel, although it lacked important facts, including top speed, radius of action, and displacement.
On 6 March, Bismarck received the order to steam to Kiel. On the way, the ship was escorted by several Messerschmitt Bf 109 fighters and a pair of armed merchant vessels, along with an icebreaker. At 08:45 on 8 March, Bismarck briefly ran aground on the southern shore of the Kiel Canal; she was freed within an hour. The ship reached Kiel the following day, where her crew stocked ammunition, fuel, and other supplies and applied a coat of dazzle paint to camouflage her. British bombers attacked the harbour without success on 12 March. On 17 March, the old battleship Schlesien, now used as an icebreaker, escorted Bismarck through the ice to Gotenhafen, where the latter continued combat readiness training.
The Naval High Command (Oberkommando der Marine or OKM), commanded by Admiral Erich Raeder, intended to continue the practice of using heavy ships as surface raiders against Allied merchant traffic in the Atlantic Ocean. The two Scharnhorst-class battleships were based in Brest, France, at the time, having just completedOperation Berlin, a major raid into the Atlantic. Bismarck's sister ship Tirpitz rapidly approached completion. Bismarck and Tirpitz were to sortie from the Baltic and rendezvous with the two Scharnhorst-class ships in the Atlantic; the operation was initially scheduled for around 25 April 1941, when a new moon period would make conditions more favourable.
Work on Tirpitz was completed later than anticipated, and she was not commissioned until 25 February; the ship was not ready for combat until late in the year. To further complicate the situation,Gneisenau was torpedoed in Brest and damaged further by bombs when in drydock. Scharnhorst required a boiler overhaul following Operation Berlin; the workers discovered during the overhaul that the boilers were in worse condition than expected. She would also be unavailable for the planned sortie. Attacks by British bombers on supply depots in Kiel delayed repairs to the heavy cruisers Admiral Scheer and Admiral Hipper. The two ships would not be ready for action until July or August. Admiral Günther Lütjens, Flottenchef (Fleet Chief) of the Kriegsmarine, chosen to lead the operation, wished to delay the operation at least until either Scharnhorst or Tirpitz became available, but the OKM decided to proceed with the operation, codenamed Operation Rheinübung, with a force consisting of only Bismarck and the heavy cruiser Prinz Eugen. At a final meeting with Raeder in Paris on 26 April, Lütjens was encouraged by his commander-in-chief to proceed and he eventually decided that an operation should begin as soon as possible to prevent the enemy gaining any respite.
On 5 May 1941, Adolf Hitler and Wilhelm Keitel, with a large entourage, arrived to view Bismarck and Tirpitz in Gotenhafen. The men were given an extensive tour of the ships, after which Hitler met with Lütjens to discuss the upcoming mission. On 16 May, Lütjens reported that Bismarck and Prinz Eugen were fully prepared for OperationRheinübung; he was therefore ordered to proceed with the mission on the evening of 19 May. As part of the operational plans, a group of eighteen supply ships would be positioned to support Bismarck and Prinz Eugen. Four U-boats would be placed along the convoy routes between Halifax and Britain to scout for the raiders.
By the start of the operation, Bismarck's crew had increased to 2,221 officers and enlisted men. This included an admiral's staff of nearly 65 and a prize crew of 80 sailors, who could be used to crew transports captured during the mission. At 02:00 on 19 May, Bismarck departed Gotenhafen and made for the Danish straits. She was joined at 11:25 by Prinz Eugen, which had departed the previous night at 21:18, off Cape Arkona. The two ships were escorted by three destroyers—Z10 Hans Lody, Z16 Friedrich Eckoldt, and Z23—and a flotilla of minesweepers. The Luftwaffe provided air cover during the voyage out of German waters. At around noon on 20 May, Lindemann informed the ship's crew via loudspeaker of the ship's mission. At approximately the same time, a group of ten or twelve Swedish aircraft flying reconnaissance encountered the German force and reported its composition and heading, though the Germans did not see the Swedes.
An hour later, the German flotilla encountered the Swedish cruiser HSwMS Gotland; the cruiser shadowed the Germans for two hours in the Kattegat. Gotland transmitted a report to naval headquarters, stating: "Two large ships, three destroyers, five escort vessels, and 10–12 aircraft passed Marstrand, course 205°/20'." The OKM was not concerned about the security risk posed byGotland, though both Lütjens and Lindemann believed operational secrecy had been lost. The report eventually made its way to Captain Henry Denham, the British naval attaché to Sweden, who transmitted the information to the Admiralty. The code-breakers at Bletchley Park confirmed that an Atlantic raid was imminent, as they had decrypted reports that Bismarck and Prinz Eugen had taken on prize crews and requested additional navigational charts from headquarters. A pair of Supermarine Spitfires was ordered to search the Norwegian coast for the flotilla.
German aerial reconnaissance confirmed that one aircraft carrier, three battleships, and four cruisers remained at anchor in the main British naval base at Scapa Flow, which confirmed to Lütjens that the British were unaware of his operation. On the evening of 20 May, Bismarck and the rest of the flotilla reached the Norwegian coast; the minesweepers were detached and the two raiders and their destroyer escorts continued north. The following morning, radio-intercept officers on board Prinz Eugen picked up a signal ordering British reconnaissance aircraft to search for two battleships and three destroyers northbound off the Norwegian coast. At 7:00 on the 21st, the Germans spotted four unidentified aircraft, which quickly departed. Shortly after 12:00, the flotilla reached Bergen and anchored at Grimstadfjord, where the ships' crews painted over the Baltic camouflage with the standard "outboard grey" worn by German warships operating in the Atlantic.
When Bismarck was in Norway, a pair of Bf 109 fighters circled overhead to protect her from British air attacks, but Flying Officer Michael Suckling managed to fly his Spitfire directly over the German flotilla at a height of 8,000 m (26,000 ft) and take photos of Bismarck and her escorts. Upon receipt of the information, Admiral John Tovey ordered the battlecruiser HMS Hood, the newly commissioned battleship HMS Prince of Wales, and six destroyers to reinforce the pair of cruisers patrolling theDenmark Strait. The rest of the Home Fleet was placed on high alert in Scapa Flow. Eighteen bombers were dispatched to attack the Germans, but weather over the fjordhad worsened and they were unable to find the German warships.
Bismarck did not replenish her fuel stores in Norway, as her operational orders did not require her to do so. She had left port 200 t (200 long tons) short of a full load, and had since expended another 1,000 t (980 long tons) on the voyage from Gotenhafen. Prinz Eugen took on 764 t (752 long tons) of fuel. At 19:30 on 21 May, Bismarck,Prinz Eugen, and the three escorting destroyers left Bergen. At midnight, when the force was in the open sea, heading towards the Arctic Ocean, Raeder disclosed the operation to Hitler, who reluctantly consented to the raid. The three escorting destroyers were detached at 04:14 on 22 May, while the force steamed off Trondheim. At around 12:00, Lütjens ordered his two ships to turn toward the Denmark Strait to attempt the break-out into the open Atlantic.
By 04:00 on 23 May, Lütjens ordered Bismarck and Prinz Eugen to increase speed to 27 knots (50 km/h; 31 mph) to make the dash through the Denmark Strait. Upon entering the Strait, both ships activated their FuMO radar detection equipment sets. Bismarck led Prinz Eugen by about 700 m (770 yd); mist reduced visibility to 3,000 to 4,000 m (3,300 to 4,400 yd). The Germans encountered some ice at around 10:00, which necessitated a reduction in speed to 24 knots (44 km/h; 28 mph). Two hours later, the pair had reached a point north of Iceland. The ships were forced to zigzag to avoid ice floes. At 19:22, hydrophone and radar operators aboard the German warships detected the cruiser HMS Suffolk at a range of approximately 12,500 m (13,700 yd). Prinz Eugen's radio-intercept team decrypted the radio signals being sent by Suffolk and learned that their location had been reported.
Lütjens gave permission for Prinz Eugen to engage Suffolk, but the captain of the German cruiser could not clearly make out his target and so held fire. Suffolk quickly retreated to a safe distance and shadowed the German ships. At 20:30, the heavy cruiser HMS Norfolk joined Suffolk, but approached the German raiders too closely. Lütjens ordered his ships to engage the British cruiser; Bismarck fired five salvoes, three of which straddled Norfolk and rained shell splinters on her decks. The cruiser laid a smoke screen and fled into a fog bank, ending the brief engagement. The concussion from the 38 cm guns' firing disabled Bismarck's FuMO 23 radar set; this prompted Lütjens to order Prinz Eugen to take station ahead so she could use her functioning radar to scout for the formation.
At around 22:00, Lütjens ordered Bismarck to make a 180-degree turn in an effort to surprise the two heavy cruisers shadowing him. Although Bismarck was visually obscured in a rain squall, Suffolk's radar quickly detected the manoeuvre, allowing the cruiser to evade. The cruisers remained on station through the night, continually relaying the location and bearing of the German ships. The harsh weather broke on the morning of 24 May, revealing a clear sky. At 05:07, hydrophone operators aboard Prinz Eugen detected a pair of unidentified vessels approaching the German formation at a range of 20 nmi (37 km; 23 mi), reporting "Noise of two fast-moving turbine ships at 280° relative bearing!"
At 05:45, German lookouts spotted smoke on the horizon; this turned out to be from Hood and Prince of Wales, under the command of Vice Admiral Lancelot Holland. Lütjens ordered his ships' crews tobattle stations. By 05:52, the range had fallen to 26,000 m (28,000 yd) and Hood opened fire, followed by Prince of Wales a minute later. Hood engaged Prinz Eugen, which the British thought to beBismarck, while Prince of Wales fired on Bismarck.[d] Adalbert Schneider, the first gunnery officer aboard Bismarck, twice requested permission to return fire, but Lütjens hesitated. Lindemann intervened, muttering "I will not let my ship be shot out from under my ass." He demanded permission to fire from Lütjens, who relented and at 05:55 ordered his ships to engage the British.
The British ships approached the German ships head on, which permitted them to use only their forward guns; Bismarck and Prinz Eugen could fire full broadsides. Several minutes after opening fire, Holland ordered a 20° turn to port, which would allow his ships to engage with their rear gun turrets. Both German ships concentrated their fire onHood. About a minute after opening fire, Prinz Eugen scored a hit with a high-explosive 20.3 cm (8.0 in) shell; the explosion detonated unrotated projectile ammunition and started a large fire, which was quickly extinguished. After firing three four-gun salvoes, Schneider had found the range to Hood; he immediately ordered rapid-fire salvoes from Bismarck's eight 38 cm guns. He also ordered the ship's 15 cm secondary guns to engage Prince of Wales. Holland then ordered a second 20° turn to port, to bring his ships on a parallel course with Bismarck and Prinz Eugen. Lütjens ordered Prinz Eugen to shift fire and target Prince of Wales, to keep both of his opponents under fire. Within a few minutes, Prinz Eugen scored a pair of hits on the battleship that started a small fire.
Lütjens then ordered Prinz Eugen to drop behind Bismarck, so she could continue to monitor the location of Norfolk and Suffolk, which were still 10 to 12 nmi (19 to 22 km; 12 to 14 mi) to the east. At 06:00, Hood was completing the second turn to port when Bismarck's fifth salvo hit. Two of the shells landed short, striking the water close to the ship, but at least one of the 38 cm armour-piercing shells struck Hood and penetrated her thin deck armour. The shell reached Hood's rear ammunition magazine and detonated 112 t (110 long tons) ofcordite propellant. The massive explosion broke the back of the ship between the main mast and the rear funnel; the forward section continued to move forward briefly before the in-rushing water caused the bow to rise into the air at a steep angle. The stern also rose as water rushed into the ripped-open compartments. Schneider exclaimed "He is sinking!" over the ship's loudspeakers. In only eight minutes of firing, Hood had disappeared, taking all but three of her crew of 1,419 men with her.
Bismarck then shifted fire to Prince of Wales. The British battleship scored a hit on Bismarck with her sixth salvo, but the German ship found her mark with her first salvo. One of the shells struck the bridge on Prince of Wales, though it did not explode and instead exited the other side, killing everyone in the ship's command centre, save Captain John Leach, the ship's commanding officer, and one other. The two German ships continued to fire upon Prince of Wales, causing serious damage. Guns malfunctioned on the recently commissioned British ship, which still had civilian technicians aboard. Despite the technical faults in the main battery, Prince of Walesscored three hits on Bismarck in the engagement. The first struck her in the forecastle above the waterline but low enough to allow the crashing waves to enter the hull. The second shell struck below the armoured belt and exploded on contact with the torpedo bulkhead completely flooding a turbo-generator room and partially flooding an adjacent boiler room. The third shell passed through one of the boats carried aboard the ship and then went through the floatplane catapult without exploding.
At 06:13, Leach gave the order to retreat; only five of his ship's ten 14 in (360 mm) guns were still firing and his ship had sustained significant damage. Prince of Walesmade a 160° turn and laid a smoke screen to cover her withdrawal. The Germans ceased fire as the range widened. Though Lindemann strongly advocated chasing Prince of Wales and destroying her,Lütjens obeyed operational orders to shun any avoidable engagement with enemy forces that were not protecting a convoy, firmly rejecting the request, and instead ordered Bismarck and Prinz Eugento head for the North Atlantic. In the engagement, Bismarck had fired 93 armour-piercing shells and had been hit by three shells in return. The forecastle hit allowed 1,000 to 2,000 t (980 to 1,970 long tons) of water to flood into the ship, which contaminated fuel oil stored in the bow. Lütjens refused to reduce speed to allow damage control teams to repair the shell hole which widened and allowed more water into the ship. The second hit caused some additional flooding. Shell-splinters from the second hit also damaged a steam line in the turbo-generator room, but this was not serious, asBismarck had sufficient other generator reserves. The combined flooding from these two hits caused a 9-degree list to port and a 3-degree trim by the bow.
After the engagement, Lütjens reported, "Battlecruiser, probably Hood, sunk. Another battleship, King George V or Renown, turned away damaged. Two heavy cruisers maintain contact." At 08:01, he transmitted a damage report and his intentions to OKM, which were to detach Prinz Eugen for commerce raiding and to make for Saint-Nazaire for repairs. Shortly after 10:00, Lütjens ordered Prinz Eugen to fall behind Bismarck to determine the severity of the oil leakage from the bow hit. After confirming "broad streams of oil on both sides of [Bismarck's] wake", Prinz Eugen returned to the forward position. About an hour later, a British Short Sunderland flying boatreported the oil slick to Suffolk and Norfolk, which had been joined by the damaged Prince of Wales. Rear Admiral Frederic Wake-Walker, the commander of the two cruisers, ordered Prince of Wales to remain behind his ships.
The Royal Navy ordered all warships in the area to join the pursuit of Bismarck and Prinz Eugen. Tovey's Home Fleet was steaming to intercept the German raiders, but on the morning of 24 May was still over 350 nmi (650 km; 400 mi) away. The Admiralty ordered the light cruisers Manchester, Birmingham, and Arethusa to patrol the Denmark Strait in the event that Lütjens attempted to retrace his route. The battleship Rodney, which had been escorting <a href="https://en.wikipedia.org/wiki/RMS_Britannic_(1929)" class="mw-redirect" title
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