German battleship Gneisenau

''Gneisenau'' () was a German capital ship, alternatively described as a battleship and battlecruiser, of Nazi Germany's '' Kriegsmarine''. She was the second vessel of her class, which included her sister ship, . The ship was built at the ''Deutsche Werke'' dockyard in Kiel; she was laid down on 6 May 1935 and launched on 8 December 1936. Completed in May 1938, the ship was armed with a main battery of nine 28 cm (11 in) C/34 guns in three triple turrets. Plans were approved, once construction had started, to replace these weapons with six 38 cm (15 in) SK C/34 guns in twin turrets, but as this would involve a lot of redesign, construction continued with the lower calibre guns. The intent was to make the upgrade in the winter of 1940–41, but the outbreak of World War II stopped this.

''Gneisenau'' and ''Scharnhorst'' operated together for much of the early portion of World War II, including sorties into the Atlantic to raid British merchant shipping. During their first operation, the two ships sank the British auxiliary cruiser in a short battle. ''Gneisenau'' and ''Scharnhorst'' participated in Operation Weserübung, the German invasion of Norway. During operations off Norway, the two ships engaged the battlecruiser and sank the aircraft carrier . ''Gneisenau'' was damaged in the action with ''Renown'' and later torpedoed by a British submarine, , off Norway. After a successful raid in the Atlantic in 1941, ''Gneisenau'' and her sister put in at Brest, France. The two battleships were the subject of repeated bombing raids by the RAF; ''Gneisenau'' was hit several times during the raids, though she was ultimately repaired.

In early 1942, the two ships made a daylight dash up the English Channel from occupied France to Germany. After reaching Kiel in early February, the ship went into drydock. On the night of 26 February, the British launched an air attack on the ship; one bomb penetrated her armored deck and exploded in the forward ammunition magazine, causing serious damage and many casualties. The repairs necessitated by the damage were so time-consuming that it was determined to rebuild the ship to replace the nine 28 cm guns with six 38 cm guns in double turrets. The 28 cm guns were removed and used as shore batteries. In 1943, Hitler ordered the cessation of conversion work, and on 27 March 1945, she was sunk as a blockship in Gotenhafen (Gdynia) in German-occupied Poland. She was eventually broken up for scrap in 1951.

Design

''Gneisenau'' displaced at standard displacement and at full load. She was long overall and had a beam of and a maximum draft of . She was powered by three Germania geared steam turbines, which developed a total of and yielded a maximum speed of on speed trials. Her standard crew numbered 56 officers and 1,613 enlisted men, though during the war this was augmented up to 60 officers and 1,780 men. While serving as a squadron flagship, ''Gneisenau'' carried an additional ten officers and 61 enlisted men.

She was armed with a main battery of nine 28 cm (11.1 in) L/54.5 guns arranged in three triple gun turrets: two turrets were placed forward in a superfiring arrangement—Anton and Bruno—and one aft—Caesar. Her secondary armament consisted of twelve 15 cm (5.9 in) L/55 guns, eight of which were placed in two-gun turrets and the remaining four were carried in individual turrets. Her anti-aircraft armament consisted of fourteen L/65 and sixteen SK C/30 L/83, and initially ten C/30 anti-aircraft guns. The number of 2 cm guns was eventually increased to thirty-eight. Six above-water torpedo tubes, taken from the light cruisers and , were installed in 1942.

''Gneisenau'' had an armor belt that was thick in the central portion, where it protected the ship's ammunition magazines and propulsion machinery spaces. The ship had an armor deck that was thick on the flat portion, increasing to on downward-sloping sides that connected to the bottom of the belt. Her main battery turrets had of armor on their faces and on their sides. The conning tower was protected with 350 mm on the sides.

Service history

''Gneisenau'' was ordered as ''Ersatz Hessen'' as a replacement for the old pre-dreadnought , under the contract name "E." The ''Deutsche Werke'' in Kiel was awarded the contract, where the keel was laid on 6 May 1935. The ship was launched on 8 December 1936, after which fitting-out work was begun. The ship was completed in May 1938 and commissioned for sea trials on the 21st, under the command of ''Kapitän zur See'' (''KzS'') Erich Förste. The trials revealed a dangerous tendency to ship considerable amounts of water in heavy seas. This caused flooding in the bow and damaged electrical systems in the forward gun turret. As a result, she went back to the dockyard for extensive modification of the bow. The original straight stem was replaced with a raised "Atlantic bow." A diagonal cap was fitted to the smoke stack to keep the main mast free of smoke. The modifications were completed by September 1939, by which time the ship was finally fully operational.

''Gneisenau'' left Germany for a round of trials in the Atlantic in June 1939. As it was peacetime, the ship carried primarily practice ammunition, with only a small number of live rounds. She was back in Germany when war began in September 1939. On the 4th, the day after the British declaration of war, ''Gneisenau'' was attacked by fourteen Wellington bombers, though they made no hits. In November, ''KzS'' Förste was replaced by ''KzS'' Harald Netzbandt.

The ship's first combat operation, under the command of Admiral Wilhelm Marschall, began on 21 November 1939; the ship, in company with her sister , the light cruiser , and nine destroyers, was to patrol the area between Iceland and the Faroe Islands. The intent of the operation was to draw out British units and ease the pressure on the heavy cruiser , which was being pursued in the South Atlantic. Two days later, the German flotilla intercepted the auxiliary cruiser . ''Scharnhorst'' fired first, followed by ''Gneisenau'' eight minutes later. The ship was quickly reduced to a burning wreck; Marschall ordered ''Scharnhorst'' to pick up survivors while he stood by in ''Gneisenau''. The cruiser arrived on the scene, which prompted Marschall to halt rescue operations and flee. Four allied capital ships, the British , , , and the French followed in pursuit. The Germans reached Wilhelmshaven on 27 November, and on the trip both battleships incurred significant damage from heavy seas and winds.

After returning to Kiel, ''Gneisenau'' went into drydock for repairs for the storm damage. During the repairs, the bow was remodeled a second time to incorporate additional flare and sheer, in an attempt to improve her seaworthiness. ''Gneisenau'' went into the Baltic for trials on 15 January 1940, after the completion of the refit. Her voyage back to the North Sea was blocked by ice in the Kiel Canal until 4 February. Between 18 February and 20 February, she participated in Operation Nordmark, a brief sortie into the North Sea as far as the Shetland Islands.

Operation Weserübung

''Gneisenau'' was assigned to the forces participating in Operation Weserübung, the invasion of Denmark and Norway. She and her sister were the covering force for the assaults on Narvik and Trondheim (Flag Officer ''Vize Admiral'' Günther Lütjens). The two ships left Wilhelmshaven on the morning of 7 April, along with the heavy cruiser and fourteen destroyers. The cruiser and destroyers carried the assault forces for Narvik and Trondheim, while ''Gneisenau'' and ''Scharnhorst'' provided cover for them. Later that day, at around 14:30, the three ships came under attack by a force of British bombers, though the bombers failed to make any hits. On the morning of 8 April, the destroyer encountered the British destroyer . Before being sunk, ''Glowworm'' rammed ''Admiral Hipper'', though the latter was not seriously damaged. The crews of the two battleships went to battle stations, though they did not take part in the brief engagement. At 21:00, ''Gneisenau'' and ''Scharnhorst'' took up a position west of the Vestfjorden to provide distant cover to both of the landings at Narvik and Trondheim.

At 04:30 on the 9th, ''Gneisenau'' located the British battlecruiser ''Renown'' with her Seetakt radar; the call to battle stations rang out on both ''Gneisenau'' and ''Scharnhorst'', though it was that fired first, at 05:05. ''Gneisenau'' scored two hits on ''Renown''; the first failed to explode and the second exploded on her upper deck and damaged the radio equipment. ''Gneisenau'' and ''Scharnhorst'' then turned to disengage. Almost simultaneously, two of ''Renowns 15 in (38 cm) shells struck ''Gneisenau''. One shell hit the director tower and passed through it without exploding; regardless, it cut several cables and killed one officer and five enlisted men. The second shell disabled the rear turret. This prompted ''Gneisenau'' to cease firing and increase speed in order to break away from ''Renown''. Vice Admiral Lütjens feared that the destroyers escorting ''Renown'' could be used to make torpedo attacks against his unescorted battleships. In the course of the action, ''Gneisenau'' fired sixty 28 cm and eight 15 cm rounds. During the high-speed escape, both ''Gneisenau'' and ''Scharnhorst'' were flooded by significant quantities of water over their bows, which caused problems in both of their forward gun turrets.

''Admiral Hipper'' rejoined the two battleships off Trondheim on the morning of 11 April, and the three ships returned to Wilhelmshaven, arriving the following day. There, the damage incurred during the engagement with ''Renown'' was repaired. She was then drydocked in Bremerhaven for periodic maintenance on 26–29 April. The ship was to go to the Baltic following the completion of repairs, but on the morning of 5 May, while steaming at off the Elbe estuary, ''Gneisenau'' detonated a magnetic mine about off the port rear quarter and below the hull. The explosion caused significant damage to the hull and flooded several compartments, which caused the ship to take on a half-degree list to port. The concussive shock from the blast damaged many internal and topside components, including the starboard low-pressure turbine and the rear rangefinders. Repairs were effected in a floating drydock in Kiel from 6 to 21 May. A brief shakedown cruise followed in the Baltic, and by the 27th, she was back in Kiel at full combat readiness.

''Gneisenau'' and ''Scharnhorst'' left Wilhelmshaven on 4 June to return to Norway. They were joined by ''Admiral Hipper'' and four destroyers. The purpose of the sortie (Operation Juno) was to interrupt Allied resupply efforts to the Norwegians and to relieve the pressure on German troops fighting in Norway. On 7 June, the squadron rendezvoused with the tanker ''Dithmarschen'' to refuel ''Admiral Hipper'' and the four destroyers. The next day, they discovered and sank the trawler , along with the oil tanker ''Oil Pioneer''. The Germans then launched their Arado 196 float planes to search for more Allied vessels. ''Admiral Hipper'' and the destroyers were sent to destroy ''Orama'', a passenger ship; the Germans allowed ''Atlantis'', a hospital ship, to proceed unmolested. Admiral Marschall, who had returned from sick leave to command the sortie, detached ''Admiral Hipper'' and the four destroyers to refuel in Trondheim, while he steamed to the Harstad area.

At 17:45, the German battleships spotted the British aircraft carrier and two escorting destroyers, and , at an approximate range of . The German ships turned towards ''Glorious'' and increased speed from to and then turned again to intercept, still increasing in speed. ''Gneisenau'' opened fire on ''Ardent'', the nearest destroyer at 18:28. ''Scharnhorst'', the lead ship, fired at ''Glorious'' 4 minutes later from a range of . ''Scharnhorst'' achieved a hit with her third salvo at 18:38 and shortly after engaged ''Ardent'' with her secondary armament, whilst still firing at ''Glorious'' with the main armament. ''Ardent'' fired the first of several torpedoes at the two German ships, requiring ''Scharnhorst'' to take evasive action at 18:45, and again 10 minutes later. ''Gneisenau'' opened fire on ''Glorious'' at 18:46. A problem with ''Scharnhorsts boilers now reduced her speed to , so ''Gneisenau'' took over station ahead. By now, ''Glorious'' was burning and listing heavily to starboard, but still travelling at high speed.

The British ships made extensive use of smoke screens. Though the German battleships had available their Seetakt radar to assist the gunlaying, lack of target visibility required temporary ceasefires due to this smoke. The Germans found that the British destroyers were skilfully handled, making them difficult targets. ''Ardent'' continued firing torpedoes after receiving serious damage that reduced her speed. She eventually capsized at 19:22, at which time ''Glorious'' was burning fiercely. ''Acasta'' then headed for the German ships, making smoke and firing torpedoes. One torpedo hit ''Scharnhorst'' at 19:39 when she returned to her course too soon after taking evasive action. ''Acasta'' was hit on making a second torpedo attack out of her smokescreen and severely damaged, sinking at about 20:08.

The torpedo hit on ''Scharnhorst'' caused serious damage. After all three British ships had been sunk, Marschall withdrew his force to Trondheim to conduct emergency repairs to ''Scharnhorst''. In the meantime, Marschall sortied with ''Gneisenau'', ''Admiral Hipper'', and four destroyers, though after two days he returned to Trondheim when it became clear that the British convoys were too heavily guarded.

Admiral Günther Lütjens replaced Marschall as the commander of the squadron permanently, and on 20 June Lütjens sortied with ''Gneisenau'', ''Admiral Hipper'', and four destroyers in the direction of Iceland. His intention was to give the impression he was attempting to break out into the Atlantic, to draw British attention away from ''Scharnhorst'' as she made the return voyage to Germany. About northwest of Halten, however, the submarine torpedoed ''Gneisenau''. The torpedo hit ''Gneisenau'' in the bow, just forward of the splinter belt, and caused serious damage. The ship took on a significant amount of water in the two forward watertight compartments, and she was forced to return to Trondheim at reduced speed. In Trondheim, the repair ship ''Huascaran'' effected temporary repairs that permitted ''Gneisenau'' to return to Kiel on 25–27 July, escorted by ''Admiral Hipper'', ''Nürnberg'', four destroyers, and six torpedo boats. A strong force from the British Home Fleet attempted to intercept the flotilla, but the British failed to find it. Upon arrival, ''Gneisenau'' went into drydock at the Howaldtswerke dockyard for five months of repair work. In August, the ship's commander was replaced by ''KzS'' Otto Fein, who would captain the ship for the majority of her active wartime career.

Operation Berlin

''Scharnhorst'' joined ''Gneisenau'', in preparation for Operation Berlin, the planned breakout into the Atlantic Ocean designed to wreak havoc on the Allied shipping lanes. Severe storms caused damage to ''Gneisenau'', though ''Scharnhorst'' was undamaged. The two ships were forced to put into port during the storm: ''Gneisenau'' went to Kiel for repairs while ''Scharnhorst'' put into Gdynia (''Gotenhafen''). Repairs were quickly completed, and on 22 January 1941, the two ships, again under the command of Admiral Lütjens, left port for the North Atlantic. They were detected in the Skagerrak and the heavy units of the British Home Fleet deployed to cover the passage between Iceland and the Faroes. The Germans' radar detected the British at long range, which allowed Lütjens to avoid the British patrols, with the aid of a squall. By 3 February, the two battleships had evaded the last British cruiser patrol, and had broken into the open Atlantic.

On 6 February, the two ships refueled from the tanker ''Schlettstadt'' south of Cape Farewell. Shortly after 08:30 on 8 February, lookouts spotted convoy HX 106, though it was escorted by the battleship . Lütjens' orders prohibited him from engaging Allied capital ships, and so the attack was called off. ''Scharnhorst''s commander, ''KzS'' Hoffmann, however, closed to in an attempt to lure ''Ramillies'' away from the convoy so that ''Gneisenau'' could attack the convoy. Lütjens ordered Hoffmann to rejoin the flagship immediately. The two battleships steamed off to the northwest to search for more shipping. On 22 February, the pair spotted an empty convoy sailing west, though it dispersed at the appearance of the battleships. ''Gneisenau'' sank three ships, and along with a fourth destroyed by ''Scharnhorst'', the pair accounted for 25,784  GRT of Allied shipping.

Lütjens then decided to move to a new area, as the surviving members of the dispersed convoy had sent distress signals. He chose the Cape Town-Gibraltar convoy route, and positioned himself to the northwest of Cape Verde. The two ships encountered another convoy, escorted by the battleship , on 8 March. Lütjens again forbade an attack, though he shadowed the convoy and directed U-boats to attack it. A pair of U-boats sank a total of 28,488 GRT of shipping on the night of 7–8 March. ''Malaya'' turned on the two battleships and closed to , well within the range of the Germans' guns, but Lütjens refused to be drawn into an engagement. He instead turned toward the mid-Atlantic, where the two ships refueled from the tankers ''Uckermark'' and ''Ermland'' on 12 March.

On 15 March, the two battleships, with the two tankers in company, encountered a dispersed convoy in the mid-Atlantic. ''Gneisenau'' captured three tankers and sank a fourth, totaling 20,139 GRT of shipping. The next day, stragglers from a convoy were sighted. ''Gneisenau'' sank seven ships for 26,693 GRT, while her sister accounted for six vessels for . One of the surviving ships radioed the location of the German battleships, which summoned the powerful British battleships ''Rodney'' and . ''Scharnhorst'' and ''Gneisenau'' used their high speed to escape in a squall, and the intervention by the British battleships convinced Lütjens that the chances of further success were small. He therefore decided to head for Brest in occupied France, which the ships reached on 22 March. She then entered drydock for periodic maintenance.

Air attacks in Brest

After arriving in Brest, ''Gneisenau'' was the subject of repeated British air raids. The first attack took place on the night of 30–31 March, and a second occurred on 4–5 April. During this second raid, a armor-piercing (AP) bomb narrowly missed the ship. As a result of the attacks, the ship was moved out of the dry dock and moved to the harbor. On 6 April, ''Gneisenau'' was attacked by British torpedo bombers, which managed to score a single hit. The Bristol Beaufort that struck the ship was piloted by Flying Officer Kenneth Campbell, who was killed in the attack, for which he was awarded the Victoria Cross. The torpedo struck ''Gneisenau'' in the vicinity of the rear main battery turret. Some of water flooded the ship and caused a 2 degree list to starboard. The flooding also disabled several components of the ship's propulsion system. The explosion caused significant destruction to the side plating as well as the starboard and centerline propeller shafts. The concussive shock also caused widespread damage to the ship's electronic components. A salvage tug came alongside to assist in the pumping effort. Following the attack, ''Gneisenau'' returned to the drydock for repairs.

Three days later, on the night of 9–10 April, several British bombers dropped around of 227 kg AP bombs on the ship, four of which hit. All four hit the starboard side of the forward superstructure. Two of the bombs exploded on the main armor deck while the other two failed to detonate. The attack killed 72 initially and wounded 90, of whom 16 later died of their injuries. The bombs slightly damaged the main armor deck and caused some structural damage on the starboard side. It was decided to make alterations to the ship while she was drydocked for repairs; these included the installation of fourteen additional 2 cm anti-aircraft guns and six 53.3 cm torpedo tubes amidships. The aircraft hangar was rearranged, and the catapult that had been mounted on top of it was removed. The length of repairs and modifications precluded participation in Operation Rheinübung, the sortie by the new battleship in May 1941. The British continued to attack the ship in drydock, though no further damage was done. On 6 February 1942, a bomb fell close to ''Gneisenau'', but caused no damage.

Operation Cerberus

On 12 January 1942, the German Naval Command, in a conference with Hitler, made the decision to return ''Gneisenau'', ''Scharnhorst'', and the heavy cruiser to Germany. The intention was to deploy the vessels to Norway to interdict Allied convoys to the Soviet Union. The so-called "Channel Dash", codenamed Operation Cerberus, would avoid the increasingly effective Allied radar and patrol aircraft in the Atlantic. Vice Admiral Otto Ciliax was given command of the operation. In early February, minesweepers swept a route through the English Channel, though the British failed to detect the activity.

At 23:00 on 11 February, ''Scharnhorst'', ''Gneisenau'', and ''Prinz Eugen'' left Brest. They entered the Channel an hour later; the three ships sped at , hugging the French coast along the voyage. The British failed to detect their departure, as the submarine that had been tasked with observing the port had withdrawn to recharge its batteries. By 06:30, they had passed Cherbourg, at which point they were joined by a flotilla of torpedo boats. The torpedo boats were led by ''Kapitän'' Erich Bey, aboard the destroyer . ''General der Jagdflieger'' (General of Fighter Force) Adolf Galland directed Luftwaffe fighter and bomber forces ( Operation Donnerkeil) during ''Cerberus''. The fighters flew at masthead-height to avoid detection by the British radar network. Liaison officers were present on all three ships. German aircraft arrived later to jam British radar with chaff. By 13:00, the ships had cleared the Strait of Dover, though half an hour later, a flight of six Swordfish torpedo bombers, with Spitfire escort, attacked the Germans. The British failed to penetrate the Luftwaffe fighter shield and all six Swordfish were destroyed. Several more attacks were launched over the next two hours, but the Luftwaffe screen repulsed them all.

Five British destroyers mounted an attack on the German squadron at 16:17. The ships attempted to close to torpedo range, though heavy seas and overcast conditions hampered their attack. ''Gneisenau'' and ''Prinz Eugen'' inflicted serious damage to the destroyer . At 19:55, ''Gneisenau'' detonated a magnetic mine off Terschelling. The mine exploded just forward of the rear gun turret but caused only minor damage. Slight flooding was quickly stopped, though the shock disabled the center turbine. The ship stopped for less than 30 minutes before resuming the voyage; by 03:50, ''Gneisenau'' and two destroyers reached Helgoland. After being joined there by ''Prinz Eugen'', the ships left for Kiel, but thick ice in the canal forced the ships to stop in Brunsbüttel. While maneuvering in port, ''Gneisenau'' struck a submerged wreck. The collision tore a hole in the hull and caused some minor flooding. ''Gneisenau'' reached Kiel the following day, where she went into a floating dry dock at the ''Deutsche Werke'' dockyard.

Fate

Repair work on ''Gneisenau'' was completed by 26 February 1942, and she was scheduled to deploy to Norway on 6 March. Despite the fact that she was still in dry dock, her ammunition stores had been restocked and she was prepared for a short round of trials before her departure. On the night of 26–27 February, however, the British launched a heavy air raid on the ship. The ship was hit by a single bomb in her forecastle that penetrated the armored deck and exploded. Red-hot bomb fragments ignited propellant charges in the forward turret and caused a tremendous explosion. The turret was thrown off its mount and the entire bow section was burned out. The crew partially flooded the magazine to prevent a more catastrophic explosion. The blast killed 112 men and wounded 21 others.

The extensive damage convinced the Naval Staff to rebuild ''Gneisenau'' to mount the six 38 cm guns originally planned, rather than repair the ship. The damaged bow section was removed in order to attach a lengthened bow, which would correct the decrease in freeboard that would have been caused by the heavier 38 cm guns. On 4 April, the ship went to Gotenhafen, escorted by the training ship and the icebreaker ''Castor''. She was formally decommissioned on 1 July. Her crew were paid off and redeployed to the U-boat arm.

By early 1943, the ship had been sufficiently repaired to begin the conversion process, but Hitler, angered by the failure of German surface raiders at the Battle of the Barents Sea in December 1942 ordered the cessation of all work. ''Gneisenau'' was disarmed and her 28 cm and 15 cm gun turrets were used in shore batteries. Turret Caesar was installed in Austrått Fort near Trondheim as the coastal battery ''Orlandet''.

''Gneisenau'' remained unused in Gotenhafen until the end of the war. As the Red Army advanced on the city, the remaining crew took the ship out to the entrance of the harbor and sank the vessel as a blockship on 27 March 1945. In 1947, the Polish government ordered the ship be removed, and initial salvage operations began. The ship was sealed and refloated on 12 September 1951 then completely scrapped, though it is believed that some of her steel was used in the construction of Polish merchant vessels, with her horn being installed on the ''Dar Pomorza''. The ship's bell was preserved and it is now in the collection of the Museum of the Polish Army in Warsaw (Poland), it is occasionally presented at exhibitions. She was the largest ship raised at the time. Norway offered to return the turret from Trondheim in 1979, though the offer was declined. The gun turret was instead preserved as a museum in Norway.

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{{DEFAULTSORT:Gneisenau
1936 ships
Scharnhorst-class battleships
World War II battleships of Germany
Ships built in Kiel
Maritime incidents in March 1945
Shipwrecks of Poland