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Force H off Gibraltar in 1940 by Rowland Langmaid
|Engagements||Battle of the Mediterranean
Attack on Mers-el-Kébir
Battle of Cape Spartivento
|Vice-Admiral Sir James Somerville (July 1940 - March 1942)
Vice-Admiral Sir Henry Harwood (March 1942 - April 1945)
Force H was a British naval formation during the Second World War. It was formed in 1940 to replace French naval power in the western Mediterranean that had been removed by the French armistice with Nazi Germany.
It occupied an odd place within the naval chain of command. Normal British practice was to have various naval stations and fleets around the world whose commanders reported to the First Sea Lord via a flag officer. Force H was based at Gibraltar, but there was already a flag officer at the base - Flag Officer Commanding, North Atlantic. However, the commanding officer of Force H did not report to this officer; instead, he reported directly to the First Sea Lord.
One of the first operations that Force H took part in was connected with the reason for its formation. French naval power still existed in the Mediterranean, and the British Government viewed it as a threat to British interests. It was feared that the Vichy government of Philippe Pétain would hand the ships over to Germany, despite a vow that that would never happen. Such an incidence would almost certainly decisively tip the balance against Britain in the Mediterranean. Consequently, Force H was ordered to execute Operation Catapult.
The most powerful of the remaining French forces was in port at Mers-el-Kébir in Algeria. It consisted of the French battleships Strasbourg and Dunkerque, two older battleships, along with escorting vessels. Force H steamed to off the Algerian coast, and an envoy was sent to the French commander. Various terms were offered, including internment of the fleet in a neutral country, joining the British forces and scuttling the fleet at its berths. However, the commander of the French forces reported only the scuttling option to his superiors. He was thus ordered to fight. The reasons for the omission have been debated by many. It is often thought that the anti-British bias of the French commander was to blame.
The result of the action was that the remains of the French fleet escaped to Toulon, a French base on the Mediterranean coast of metropolitan France. They did so at heavy cost. The French battleship Bretagne blew up under British gunfire, killing over 1,000 French sailors. The battleship Provence was also badly damaged; Strasbourg and Dunkerque were also hit, although Strasbourg escaped with four destroyers.
After this unpleasant operation, Force H settled down to its more normal operations. These involved general naval tasks in the western basin of the Mediterranean. Prominent amongst these tasks was fighting convoys through to Malta. The early convoys came through with relatively light losses. That changed in 1941, when the Germans sent the Luftwaffe 's X. Fliegerkorps to Sicily. Its bombers took a high toll of both warships and merchantmen.
"Sink the Bismarck!"
The most famous incident involving Force H in 1941 did not occur in the Mediterranean, but in the Atlantic Ocean. The German battleship Bismarck had sailed in company with the heavy cruiser Prinz Eugen to attack commercial shipping. She went far to the north of the UK, passing southwest through the Denmark Strait between Iceland and Greenland. There, she was intercepted by a powerful British force made up of the battleship Prince of Wales and the battlecruiser Hood. The engagement was a disaster for the Royal Navy; Prince of Wales was damaged and Hood blew up and sank with only three out of 1,400 crew aboard surviving. Every Royal Navy unit available was then given the task of destroying Bismarck.
Force H set sail from Gibraltar to intercept Bismarck with the aircraft carrier Ark Royal, the battlecruiser Renown and the light cruiser Sheffield. Despite the loss of Hood, Bismarck did not come out of the Denmark Strait engagement completely unscathed. A shell from Prince of Wales had ruptured the ship's fuel tanks, causing her to lose oil. The commerce raiding cruise was thus cut short, and the ship headed for the port of Brest in occupied France. Bismarck was temporarily lost to the Royal Navy after she evaded the radar of the shadowing cruisers Suffolk and Norfolk. She was found again, but the only way of stopping her was if something slowed the ship down. To try to do this, Ark Royal launched a strike with her Fairey Swordfish torpedo bombers. However, the aircrews were wrongly informed of the location of Sheffield and attacked her instead, mistaking her for Bismarck. The torpedoes that the Swordfish had dropped carried a new type of magnetic detonator which proved too unreliable. A second strike was flown carrying the older, and more reliable, contact detonator. Bismarck was found and a torpedo wrecked her steering gear. Unable to evade the British ships closing in, the German battleship was sunk by a force including King George V and Rodney.
The end of 1941 saw the nadir of British naval fortunes in the Mediterranean. The Mediterranean Fleet lost the services of its aircraft carrier to bomb damage, had one battleship sunk off Crete by U-331, and its two remaining battleships put out of action by Italian human torpedoes. Force H in its turn suffered as well: Ark Royal was sunk by U-81 in November 1941. It was only the lack of action by the Italians that prevented a complete disaster for British fortunes.
The year 1942 opened on a low note. The most urgent task during the first part of the year was supplying Malta. The island had been under heavy attack for many months, and supply convoys had to be very heavily escorted to stand any chance of getting through. Enough succeeded that Malta was kept from starving, but it was very close. The most heavily escorted convoy in the whole of the Second World War was the key to this. In August, Operation Pedestal was mounted which lead to enough supplies being sent to the island to keep it going.
Amphibious assaults and the end of Force H
Force H was not actually extant for a portion of 1942. It was stripped bare in May to provide ships for the assault on Vichy French forces at Diego Suarez in Madagascar during Operation Ironclad. This operation succeeded, but many[who?] argue that it was a waste of British naval resources at a critical time in the war.
November saw the turning point of the conflict. Operation Torch saw British and American forces landed in Morocco and Algeria under the British First Army. Force H was reinforced to cover these landings. The two main threats were the Italian fleet and French forces. In the end, only French forces fought, and the most significant battles took place at Casablanca where only American naval units supported the operations.
The end of the campaign in North Africa saw an interdiction effort on a vast scale. The aim was to cut Tunisia completely off from Axis support. It succeeded and 250,000 men surrendered to the 18th Army Group; a number equal to those who surrendered at Stalingrad. Force H again provided heavy cover for this operation.
Two further sets of landings were covered by Force H against interference from the Italian fleet. Operation Husky in July 1943 saw the invasion and conquest of Sicily, and Operation Avalanche saw an attack on the Italian mainland at Salerno.
Following the Allied landings on Italy itself, the Italian government surrendered. The Italian fleet mostly escaped German capture and much of it formed the Italian Co-Belligerent Navy. However, two German Fritz X radio-controlled missiles did hit and sink the battleship Roma, killing the Commander-in-Chief of the Italian Royal Navy (Regia Marina), Admiral Carlo Bergamini.
- "Be pleased to inform their Lordships that the Italian fleet lies under the guns of the fortress at Malta."
With the surrender of the Italian fleet, the need for heavy units in the Mediterranean disappeared. The battleships and aircraft carriers of Force H dispersed to the Home and Eastern Fleets and the command was disbanded. Naval operations in the Mediterranean from now on would be conducted by lighter units.
Modern Force H
Battles and Operations of Force H
- Attack on Mers-el-Kébir (Operation Catapult) The action at Oran - 3 July 1940
- The Battle of Calabria - 9 July 1940
- The attack on Taranto (Operation Judgement) - 11/12 November 1940
- The Battle of Cape Spartivento - 27 November 1940
- Malta Convoy (Operation Collar) - November 1940
- Malta Convoy (Operation Excess) - January 1941
- Naval bombardment of Genoa (Operation Grog) - 9 February 1941
- Malta Convoy (Operation Substance) - July 1941
- Malta Convoy (Operation Halberd) - September 1941
- Battle of Madagascar (Operation Ironclad) as part of Force 121 - March to May 1942
- Malta Convoy (Operation Harpoon) - June 1942
- Malta Convoy (Operation Pedestal) - August 1942
- The invasion of Sicily (Operation Husky) - July 1943
- The invasion of Italy (Operation Avalanche) - September 1943
Major combatant ships in Force H
- Ark Royal, aircraft carrier (23 June 1940 - 14 November 1941)
- Eagle, aircraft carrier (February-August 1942)
- Illustrious, aircraft carrier
- Hood, battlecruiser (June–August 1940)
- Resolution, battleship (June–August 1940)
- Valiant, battleship (June 1940-December 1941, June–October 1943)
- Renown, battlecruiser (August 1940-August 1941, October 1941-February 1943)
- Nelson, battleship (June–September 1941, August 1942-November 1943)
- Rodney, battleship (May 1942-October 1943)
- King George V, battleship (May 1943-February 1944)
- Enterprise, cruiser (June–December 1940)
- Arethusa, cruiser (June 1940-December 1941)
- Sheffield, cruiser (August 1940-October 1941)
- Coventry, cruiser (August 1940-September 1942)
- Calcutta, cruiser (August 1940-June 1941)
- Berwick, cruiser (November 1940)
- Fiji, cruiser (April–May 1941)
- Hermione, cruiser (June 1941-March 1942)
- Cairo, cruiser (January–August 1942)
- Charybdis, cruiser (April–November 1942)
- Argonaut, cruiser (October–December 1942)
- Sussex, heavy cruiser (September-December 1939)
- Battle of the Mediterranean
- Military history of Gibraltar during World War II
- Malta Convoys
- Geoffrey Bennett
- Stephen, Martin. Sea Battles in Close-up: World War 2 (Shepperton, Surrey: Ian Allan, 1988), pp.37-8.
- Transcription of Force H War Diary - 'admirals.org.uk'
- British Admiralty document on Mers-el-Kébir Action
- Destruction of the French Fleet at Mers El-Kebir - H.M.S. Hood