| Operation Claymore | |||||||
|---|---|---|---|---|---|---|---|
| Part of North West Europe Campaign | |||||||
The Lofoten Islands |
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| Belligerents | |||||||
| United Kingdom Norway |
Nazi Germany | ||||||
| Commanders and leaders | |||||||
| Royal Navy Rear Admiral L.H.K. Hamilton Captain C. Caslon British Army Brigadier J.C. Haydon Royal Norwegian Navy Martin Linge |
Unknown | ||||||
| Strength | |||||||
| Royal Navy 6th Destroyer Flotilla HMS Somali HMS Bedouin HMS Tartar HMS Eskimo HMS Legion Troop transports HMS Queen Emma HMS Princess Beatrix British Army No. 3 Commando No. 4 Commando Royal Engineers Section Royal Norwegian Navy 52 men |
1 Armed trawler | ||||||
| Casualties and losses | |||||||
| 1 wounded | 10 ships sunk 228 men captured |
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Operation Claymore was the codename for a British Commandos raid on the Lofoten Islands in Norway during the Second World War. The Lofoten Islands were an important center for the production of fish oil and glycerine, used in the German war industry. The landings were carried out on 4 March 1941, by the men of No. 3 Commando, No. 4 Commando, a Royal Engineers Section and 52 men from the Royal Norwegian Navy. Supported by the 6th Destroyer Flotilla and two troop transports of the Royal Navy, the force made an unopposed landing and generally continued to meet no opposition. The original plan had been to avoid contact with German forces and inflict the maximum of damage to German-controlled industry. They achieved their objective of destroying fish oil factories and some 3,600 tonnes (800,000 imperial gallons) of oil and glycerine.
Through naval gunfire and demolition parties, 18,000 tons of shipping were sunk. Perhaps the most significant outcome of the raid, however, was the capture of a set of rotor wheels for an Enigma cypher machine and its code books from the German armed trawler Krebs. This enabled German naval codes to be read at Bletchley Park, providing the intelligence needed to allow allied convoys to avoid U-boat concentrations. The British experienced only one accidental injury; an officer injuring himself with his own revolver; and returned with some 228 German prisoners, 314 loyal Norwegian volunteers and a number of Quisling regime collaborators.
In the aftermath the evaluation of the operation differed, the British and especially Winston Churchill and the Special Operations Executive deeming it a success. In the eyes of the British the value of such actions was mainly to tie up large German forces on occupation duties in Norway. Martin Linge and the other Norwegians involved were more doubtful of the value of such raids against the Norwegian coast. Following Operation Claymore the Norwegian special operations unit Norwegian Independent Company 1 was established for operations in Norway.
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After the British Expeditionary Force had been evacuated from Dunkirk in 1940, British Prime Minister Winston Churchill called for a force to be assembled and equipped to inflict casualties on the Germans and bolster British morale. Churchill told the joint Chiefs of Staff to propose measures for an offensive against German-occupied Europe, and stated: "they must be prepared with specially trained troops of the hunter class who can develop a reign of terror down the enemy coast."[1]
One staff officer, Lieutenant-Colonel Dudley Clarke, had already submitted such a proposal to General Sir John Dill, the Chief of the Imperial General Staff. Dill, aware of Churchill's intentions, approved Clarke's proposal.[1] Three weeks later the first Commando raid Operation Collar took place. The raiders failed to gather any intelligence or damage any German equipment; their only success was in killing two German sentries.[1]
The Commandos came under the operational control of the Combined Operations Headquarters. The man initially selected as the commander was Admiral Sir Roger Keyes, a veteran of the Gallipoli Campaign and the Zeebrugge Raid in the First World War.[2] In 1940, the call went out for volunteers from among the serving Army soldiers within certain formations still in Britain, and men of the disbanding Divisional Independent Companies originally raised from Territorial Army Divisions who had seen service in Norway.[nb 1] In November 1940 the new army units were organised into a Special Service Brigade under Brigadier J.C. Haydon, with four Special Service Battalions.[4] By the autumn of 1940 more than 2,000 men had volunteered for commando training, and the Special Service Brigade now consisted of 12 units which were called Commandos.[5]
After an inauspicious start the first large scale commando raid was to be on the Lofoten Islands, which are just off the Norwegian coast inside the Arctic Circle and about 900 miles (1,400 km) from Britain. Once at the islands the raiders would be landed at four small ports, to destroy fish oil producing factories. All the oil produced was being shipped to Germany who extracted the glycerine, a vital ingredient in the manufacture of high explosives.[6] The commandos would be transported to the islands aboard two new infantry landing ships, escorted by four Tribal class and one L class destroyer of the 6th Destroyer Flotilla.[6]
The objectives of Operation Claymore were three fold: the overall commander of the raid was Rear Admiral L.H.K. Hamilton.[7] the Royal Navy were tasked to safely escort the transports carrying the landing force to the islands and back. While there they were to destroy or capture any German shipping or Norwegian shipping working for the Germans and provide naval gunfire support for the landing forces. The naval forces taking part were the escorts from the 6th Destroyer Flotilla: HMS Somali, HMS Bedouin, HMS Tartar, HMS Eskimo and HMS Legion under the command of Captain C. Caslon. There were two newly converted landing ships the HMS Queen Emma and the HMS Princess Beatrix which were to transport the landing force.[8]
The landing force was provided by the Special Service Brigade under command of Brigadier J.C. Haydon. The commandos taking part were 250 all ranks from No. 3 Commando under command Major J.F. Durnford-Slater, 250 all ranks of No. 4 Commando under command of Lieutenant Colonel D.S. Lister. They were supported by a Section of Royal Engineers of No 55 Field Company, under command of Second Lieutenant H.M. Turner, and 4 officers and 48 other ranks of the Royal Norwegian Navy, under the command of Captain Martin Linge.[8] The landing force were to destroy the oil producing facilities in the ports of Stamsund, Henningsvær, Svolvær and Brettesnes. Engage the German garrison and attempt to make prisoners of war and personnel found in the area. They were also to detain any supporters of the Norwegian Quisling party and persuade the local population to leave with them and join the Free Norwegian Forces.[8]
The force started gathering at Scapa Flow in the Orkney Islands on 21 February 1941 and remained there for almost a week before leaving for Norway just after midnight on 1 March 1941. The landing force was distributed amongst the ships, headquarters Special Service Brigade were transported on HMS Somali. No. 4 Commando which had been assigned landings at Svolvær and Brettesnes were on board HMS Queen Emma. No 3 Commando which had been assigned landings at Stamsund and Henningsvær were on board HMS Princess Beatrix. The Royal Engineers and Norwegian forces were divided between both the landing ships.[8]
The time they had spent at Scapa Flow was used getting acquainted with the transport ships and the Assault Landing Craft they would be using to reach the shore. The problems the navy perceived providing gunfire support were also discussed, as because of the shallows the destroyers would not be able to approach closer than 1 mile (1.6 km) to shore. Because of this the commandos were trained to rely on their own weapons to provide covering fire and support each other from their landing craft. Plans were also made for them to look after themselves in case the destroyers were called away to deal with a naval threat, which included every man being ordered to take enough rations to last 48 hours ashore.[9]
The naval task force known by the codename Rebel left Scapa Flow and headed towards the Faroes. They berthed in the Skálafjørður at 19:00 hours 1 March 1941 to take on fuel. Refuelling took five hours and the naval task force set out again heading northwards towards the Arctic to avoid detection by German air and sea patrols. They then turned east and headed towards Norway. They arrived at the Lofoten Islands during the early morning of 4 March 1941, just before 04:00 hours. Entering the Vestfjord they were surprised to see all the harbour navigational lights illuminated, which they believed to be a sign that they were not expected and had achieved complete surprise.[9]
During the planning for the operation, plans were drawn up that called for simultaneous landings at all their targets at 06:30 hours but on arrival they decided to postpone the landings by 15 minutes so they would not be landing in total darkness. When they did commence to disembark the landing force, they were all ashore by 06:50 hours.[9]
On shore the landing force commenced their operations, unopposed and the only shots fired were by the armed trawler Krebs. They managed to fire four rounds at HMS Somali before being sunk.[9] Other ships sunk by the landing forces were the merchant ships Hamburg, Pasajes, Felix, Mira, Eilenau, Rissen, Ando, Grotto and the Bernhardt Schltz which amounted to 18,000 tons of shipping.[6][10]
Additionally the force that landed at Stamsund destroyed the Lofotens Cod Boiling Plant. Two factories were destroyed at Henningsvær and 13 at Svolvær. In total about 800,000 imperial gallons (3,600 m3) of fish oil, kerosene and paraffin were set on fire.[10] They captured 228 prisoners of war, seven from the German Navy, three from the army, 15 from the Luftwaffe, two from the Schutzstaffel (SS), 147 from the Merchant Navy and 14 civilians.[10]
Perhaps the most significant outcome of the raid, however, was the capture of a set of rotor wheels for an Enigma cypher machine and its code books. These were rescued from the sinking German armed trawler Krebs. Their capture enabled Bletchley Park to read all the German naval codes for some time, which provided the intelligence needed to allow allied convoys to avoid U-boat concentrations.[11]
By 13:00 hours both the infantry landing ships HMS Princess Beatrix and HMS Queen Emma had embarked all their troops and were ready to sail.[9] With them came 300 volunteers for the Free Norwegian Forces in Britain.[6]
Operation Claymore was the first of 12 commando raids directed against Norway during the Second World War,[12] the German response to these raids, was to eventually increase the number of troops they had stationed there. By 1944 the German garrison in Norway had risen to 370,000 men.[13] By comparison a British infantry division in 1944 had an establishment of 18,347 men.[14]
Both of the commando units involved in the raid No. 3 and No. 4 Commandos would become part of the 1st Special Service Brigade that took part in the Normandy landings in June 1944.
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