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Operation Regenbogen (Operation Rainbow) was a sortie in 1942 into the Arctic Ocean by warships of the Nazi Germany Kriegsmarine (German navy) during the Second World War. The operation culminated in the Battle of the Barents Sea.
Following the hard-fought PQ 18 and the disastrous PQ 17 battles in the summer and autumn of 1942, the Allied supply convoys to the Soviet Union had been temporarily suspended. In December 1942 they started again with a new JW/RA convoy series. Against this possibility, the Kriegsmarine had concentrated a large force of surface vessels and U-boats, supported by aircraft from the Luftwaffe (German Air Force).
Regenbogen was based on a plan to intercept the next Allied convoy to Murmansk. A patrol line of four U-boats was established off Bear Island and a surface force consisting of cruisers Hipper, Lützow , and six destroyers was assembled at Altafjord. In the event of a convoy report the fleet would sail as two battle groups; one to engage the expected cruiser escort and the other to attack the convoy. The German force was handicapped by strict orders from Adolf Hitler not to take excessive risks with the capital ships, which led to a general loss of aggression. Regenbogen was also hampered by an additional aim of sending Lützow into the Atlantic following the action, which also led to a reluctance to take risks. [1]
On 22 December 1942 Convoy JW 51B sailed for Murmansk and was detected by U-354 on 30 December and the German flotilla sailed from Altafjord the same day on an interception course. In the Battle of the Barents Sea, Regenbogen had some success; Hipper was able to draw off the escort as planned, allowing Lützow to close with the convoy. Excessive caution by the captain of Lutzow caused him to break off the attack having caused little damage.
The failure of the operation can be attributed to the spirited defence made by the convoy escort and the restrictive and contradictory orders given by Hitler to the force commander. Hitler was furious when he heard about the dismal performance of the Navy. He subjected Grand Admiral Erich Raeder, the head of the Kriegsmarine, to a 90-minute tirade, in which he berated the uselessness of the German surface fleet, and announced a decision to scrap all its ships and use its guns and men as shore defences. Raeder felt unable to continue without the confidence of his leader and offered his resignation, which was accepted. Raeder was replaced by Admiral Karl Dönitz, the commander of the U-boat fleet. [2]
Deutschland was the lead ship of her class of heavy cruisers which served with the Kriegsmarine of Nazi Germany during World War II. Ordered by the Weimar government for the Reichsmarine, she was laid down at the Deutsche Werke shipyard in Kiel in February 1929 and completed by April 1933. Originally classified as an armored ship by the Reichsmarine, in February 1940 the Germans reclassified the remaining two ships of this class as heavy cruisers. In 1940, she was renamed Lützow, after the unfinished Admiral Hipper-class heavy cruiser Lützow was sold to the Soviet Union the previous year.
The Arctic convoys of World War II were oceangoing convoys which sailed from the United Kingdom, Iceland, and North America to northern ports in the Soviet Union – primarily Arkhangelsk (Archangel) and Murmansk in Russia. There were 78 convoys between August 1941 and May 1945, sailing via several seas of the Atlantic and Arctic oceans, with two gaps with no sailings between July and September 1942, and March and November 1943.
The Battle of the Barents Sea was a World War II naval engagement on 31 December 1942 between warships of the German Navy (Kriegsmarine) and British ships escorting convoy JW 51B to Kola Inlet in the USSR. The action took place in the Barents Sea north of North Cape, Norway. The German raiders' failure to inflict significant losses on the convoy infuriated Hitler, who ordered that German naval strategy would henceforth concentrate on the U-boat fleet rather than surface ships.
Admiral Hipper was the lead ship of the Admiral Hipper class of heavy cruisers which served with Nazi Germany's Kriegsmarine during World War II. The ship was laid down at the Blohm & Voss shipyard in Hamburg in July 1935 and launched February 1937; Admiral Hipper entered service shortly before the outbreak of war, in April 1939. The ship was named after Admiral Franz von Hipper, commander of the German battlecruiser squadron during the Battle of Jutland in 1916 and later commander-in-chief of the German High Seas Fleet. She was armed with a main battery of eight 20.3 cm (8.0 in) guns and, although nominally under the 10,000-long-ton (10,000 t) limit set by the Anglo-German Naval Agreement, actually displaced over 16,000 long tons (16,000 t).
Operation Berlin was a raid conducted by the two German Scharnhorst-class battleships against Allied shipping in the North Atlantic between 22 January and 22 March 1941. It formed part of the Battle of the Atlantic during World War II. The Scharnhorst and Gneisenau sailed from Germany, operated across the North Atlantic, sank or captured 22 Allied merchant vessels, and finished their mission by docking in occupied France. The British military sought to locate and attack the German battleships, but failed to damage them.
Operation Sportpalast, also known as Operation Nordmeer, was a German naval raid between 6 and 13 March 1942 against two of the Allied Arctic convoys of World War II as they passed through the Norwegian Sea. It was conducted by the battleship Tirpitz, three destroyers and eight submarines. The German ships were unable to locate either of the convoys but sank a merchant vessel that was sailing independently. The Allies attempted to intercept the German force, also without success.
HMS Onslow was an O-class destroyer of the Royal Navy. The O-class were intermediate destroyers, designed before the outbreak of the Second World War to meet likely demands for large number of destroyers. They had a main gun armament of four 4.7 in guns, and had a design speed of 36 kn. Onslow was ordered on 2 October 1939 and was built by John Brown & Company at their Clydebank, Glasgow shipyard, launching on 31 March 1941 and completing on 8 October 1941.
PQ 13 was a British Arctic convoy that delivered war supplies from the Western Allies to the USSR during World War II. The convoy was subject to attack by German air, U-boat and surface forces and suffered the loss of five ships, plus one escort vessel. Fifteen ships arrived safely.
Rösselsprung was a plan by the German Kriegsmarine to intercept an Arctic convoy in mid-1942. It was the German Navy's largest operation of its type and arguably the most successful since it resulted in the near-destruction of Convoy PQ 17. Ironically, that success was entirely indirect, as no Rösselsprung ship caught sight of the convoy or fired a shot at it. PQ 17's losses were instead caused by U-boat and aircraft attacks. Despite not making contact with the convoy a number of the Rösselsprung ships were damaged in the course of the operation, notably the heavy cruiser Lützow, which ran aground in thick fog and needed three months of repairs.
Operation FB took place as part of the Arctic Convoys of the Second World War. The operation consisted of independent sailings by unescorted merchant ships between Iceland and Murmansk. In late 1942, the Allies had taken the offensive against Germany but the dispatch of supplies to the USSR by convoy via the Arctic route was suspended, due to the demands of the Mediterranean campaign. Convoy PQ 19 was cancelled because the Home Fleet diverted ships to the Mediterranean for Operation Torch which would have had to be postponed for three weeks had ships been provided for PQ 19.
Operation Doppelschlag was a German plan for a sortie in 1942 during the Second World War into the Arctic Ocean by the Kriegsmarine. The operation followed Operation Rösselsprung, against Convoy PQ 17 in July 1942 to attack convoy PQ 18 the next Arctic convoy of the Western Allies.
Convoy JW 54A was an Arctic convoy sent from Great Britain by the Western Allies to aid the Soviet Union during World War II. It sailed in November 1943, reaching the Soviet northern ports at the end of the month. JW 54A was the first out-bound Arctic convoy of the 1943–44 winter season, following their suspension during the summer. All ships arrived safely.
Convoy JW 54B was an Arctic convoy sent from Great Britain by the Western Allies to aid the Soviet Union during World War II. It sailed in late November 1943, reaching the Soviet northern ports at the end of the month. All ships arrived safely.
Convoy JW 51A was an Arctic convoy sent from Great Britain by the Western Allies to aid the Soviet Union during World War II. It sailed in December 1942, reaching the Soviet northern ports at the end of the month.
Convoy JW 51B was an Arctic convoy sent from United Kingdom by the Western Allies to aid the Soviet Union during World War II. It sailed in late December 1942, reaching the Soviet northern ports in early January 1943.
HMS Bramble was a Halcyon-class minesweeper of the Royal Navy, which was commissioned in 1939, just prior to World War II. During the war she served as a minesweeper in the North Sea, and then on Russian convoys until sunk in the Battle of the Barents Sea on 31 December 1942 by the German cruiser Admiral Hipper and the destroyer Friedrich Eckoldt.
Arctic naval operations of World War II were the World War II naval operations that took place in the Arctic Ocean, and can be considered part of the Battle of the Atlantic and/or of the European Theatre of World War II.
Convoy QP 14 was an Arctic convoy of the QP series which ran during the Second World War. The convoy was a return journey of Allied ships from the port of Archangelsk in the Soviet Union to Loch Ewe in the west of Scotland. The British planned to send Convoy PQ 18 from Iceland to Murmansk and when the convoys crossed transfer much of the escort force from the outbound convoy to Convoy QP 14 and escort back it through the most dangerous waters off Norway.
Operation Orator was the code name for the defence of the Allied Arctic convoy PQ 18 by British and Australian air force units, based temporarily in North-West Russia, against attack by the German battleship Tirpitz and other Kriegsmarine surface vessels. The wing, known as the Search & Strike Force, was commanded by Group Captain Frank Hopps and its maritime strike element was the Leuchars Wing, comprising No. 144 Squadron, Royal Air Force (RAF) and No. 455 Squadron, Royal Australian Air Force (RAAF) equipped with Handley-Page Hampden TB 1 torpedo bombers.
HMS Dianella was a Flower-class corvette of the Royal Navy. She served during the Second World War.