Attack on Mers-el-Kébir
|Attack on Mers-el-Kébir|
|Part of the Battle of the Mediterranean during the Second World War|
The battleship Strasbourg under fire
|Commanders and leaders|
1 aircraft carrier|
2 light cruisers
At least 23 aircraft
1 seaplane tender
|Casualties and losses|
2 aircrew killed|
2 sailors wounded
1 battleship sunk
2 battleships damaged
2 destroyers damaged
1 seaplane tender damaged
1 destroyer grounded
1 tugboat destroyed
3 aircraft damaged
The Attack on Mers-el-Kébir (Battle of Mers-el-Kébir) on 3 July 1940, during the Second World War, was a British naval attack on French Navy ships at the naval base at Mers El Kébir, at Oran, on the coast of French Algeria. The attack was the main part of Operation Catapult, a British plan to neutralise or destroy French ships to prevent them from falling into German hands after the Allied defeat in the Battle of France. The British bombardment of the base killed 1,297 French servicemen, sank a battleship and damaged five other ships, for a British loss of five aircraft shot down and two crewmen killed.
The attack by air and sea was conducted by the Royal Navy, after France had signed armistices with Germany and Italy, coming into effect on 25 June. Of particular significance to the British were the five battleships of the Bretagne and Richelieu classes and the two fast battleships of the Dunkerque class, the second largest force of capital ships in Europe after the Royal Navy. The British War Cabinet feared that the ships would fall into Axis hands. Admiral François Darlan, commander of the French Navy, assured the British, even after the French armistices with Germany and Italy, that the fleet would remain under French control but Winston Churchill and the War Cabinet judged that the risk was too great. Darlan repeatedly refused British requests to place the fleet in British custody or move it to the French West Indies out of German reach.
The British attack was almost universally condemned in France and resentment festered for years over what was considered a betrayal by their former ally. The French thought that their assurances were honourable and should have been sufficient. Marshal Philippe Pétain, who was appointed the prime minister of France on 16 June, severed diplomatic relations with the United Kingdom on 8 July. The next day, deputies of the National Assembly met at Vichy and voted to revise the constitution, ending the French Third Republic. Pétain was installed with full powers as leader of the new French State.
French aircraft retaliated by bombing Gibraltar and French ships exchanged fire several times with British ships, before a tacit truce was observed in the western Mediterranean. On 27 November 1942, after the beginning of Operation Torch, the Allied invasion of French North Africa, the Marine nationale (French Navy) foiled Case Anton, a German and Italian operation to capture ships of the Marine nationale at Toulon, by scuttling the ships. In 1997, Martin Thomas wrote that the British attack at Mers-el Kébir remains controversial but that other historians have written that it demonstrated to the world that Britain would fight on.
After the Fall of France in 1940 and the armistice between France and Nazi Germany, the British War Cabinet was apprehensive about control over the French navy. The French and German navies combined could alter the balance of power at sea, threatening British imports over the Atlantic and communications with the rest of the British Empire. In Article 8, Paragraph 2 of the Armistice terms, the German government "solemnly and firmly declared that it had no intention of making demands regarding the French fleet during the peace negotiations" and there were similar terms in the armistice with Italy but they were considered by the British to be no guarantee of the neutralisation of the French fleet. On 24 June, Darlan assured Winston Churchill against such a possibility. Churchill ordered that a demand be made that the French Navy (Marine nationale) should either join with the Royal Navy or be neutralised in a manner guaranteed to prevent the ships falling into Axis hands.
At Italian suggestion, the armistice terms were amended to permit the French fleet temporarily to stay in North African ports, where they might be seized by Italian troops from Libya. The British made a contingency plan, Operation Catapult, to eliminate the French fleet in mid-June, when it was clear that Philippe Pétain was forming a government with a view to ending the war and it seemed likely that the French fleet might be seized by the Germans. In a speech to Parliament, Churchill repeated that the Armistice of 22 June 1940 was a betrayal of the Allied agreement not to make a separate peace. Churchill said, "What is the value of that? Ask half a dozen countries; what is the value of such a solemn assurance? ... Finally, the armistice could be voided at any time on any pretext of non-observance...".
The French fleet had seen little fighting during the Battle of France and was mostly intact. By tonnage, about 40 per cent was in Toulon, near Marseilles, 40 per cent in French North Africa and 20 per cent in Britain, Alexandria and the French West Indies. Although Churchill feared the fleet would be used by the Axis, the need to man, maintain and arm the French ships with items that were incompatible with German and Italian equipments made this unlikely. The Kriegsmarine and Benito Mussolini made overtures but Adolf Hitler feared that an attempted take-over would provoke the French fleet into defecting to the British. Churchill and Hitler viewed the fleet as a potential threat; the French leaders used the fleet (and the possibility of its rejoining the Allies) as a bargaining counter against the Germans to keep them out of unoccupied France (the zone libre) and French North Africa. The armistice was contingent on the French right to man their vessels and the French Navy Minister, Admiral François Darlan, had ordered the Atlantic fleet to Toulon and to demobilise, with orders to scuttle the ships if the Germans tried to take them.
The British tried to persuade the French authorities in North Africa to continue the war or to hand over the fleet to British control. A British admiral visited Oran on 24 June, and Duff Cooper, Minister of Information, visited Casablanca on 27 June. The French Atlantic ports were in German hands and the British needed to keep the German surface fleet out of the Mediterranean, confine the Italian fleet to the Mediterranean and to blockade ports still under French control. The Admiralty was against an attack on the French fleet in case the ships were not sufficiently damaged, France declared war and the French colonies would be less likely to defect. The Royal Navy lacked the ships permanently to blockade the French naval bases in North Africa and keep the Atlantic approaches open, which made the risk of the Germans or the Italians seizing the French capital ships too great. Because the fleet in Toulon was well guarded by shore artillery, the Royal Navy decided to attack the base in North Africa.
The most powerful group of French warships was at Mers-el-Kébir in French Algeria, comprising the old battleships Provence and Bretagne, the newer Force de Raid battleships Dunkerque and Strasbourg, the seaplane tender Commandant Teste, six destroyers and a gunboat Rigault de Genouilly, under the command of Admiral Marcel-Bruno Gensoul. Admiral James Somerville, commander of Force H, based in Gibraltar, was ordered to deliver an ultimatum to the French, the terms of which were contrary to the German–French armistice.[a] Somerville passed the duty of presenting the ultimatum to a French speaker, Captain Cedric Holland, commander of the carrier HMS Ark Royal. Gensoul was affronted that negotiations were being conducted by a less-senior officer and sent his lieutenant, Bernard Dufay, which led to much delay and confusion. As the negotiations continued, it became clear that agreement was unlikely. The French made preparations for action and 42 aircraft were rearmed and made ready for take-off. Darlan was at home on 3 July and could not be contacted; Gensoul told the French government that the alternatives were internment or battle but omitted the option of sailing to the French West Indies. Removing the fleet to United States waters had formed part of the orders given by Darlan to Gensoul in the event that a foreign power should attempt to seize his ships.
Plymouth and Alexandria
Along with French vessels in metropolitan ports, some had sailed to ports in Britain or to Alexandria in Egypt. Operation Catapult was an attempt to take these ships under British control or destroy them and the French ships in Plymouth and Portsmouth were boarded without warning on the night of 3 July 1940. The submarine Surcouf, the largest in the world, had been berthed in Plymouth since June 1940. The crew resisted a boarding party and three Royal Navy personnel, including two officers, were killed along with a French sailor. Other ships captured included the old battleships Paris and Courbet, the destroyers Le Triomphant and Léopard, eight torpedo boats, five submarines and a number of lesser ships. The French squadron in Alexandria (Admiral René-Émile Godfroy)—including the battleship Lorraine, heavy cruiser Suffren and three modern light cruisers—was neutralised by local agreement.
Attack on Mers-el-Kébir
The British force comprised the battlecruiser HMS Hood, the battleships HMS Valiant and Resolution, the aircraft carrier Ark Royal and an escort of cruisers and destroyers. The British had the advantage of being able to manoeuvre, while the French fleet was anchored in a narrow harbour and its crews did not expect an attack. The main armament of Dunkerque and Strasbourg was grouped on their bows and could not immediately be brought to bear. The British capital ships had 15 in (381 mm) guns and fired a heavier broadside than the French battleships. On 3 July, before negotiations were formally terminated, six British Fairey Swordfish planes escorted by three Blackburn Skuas from Ark Royal dropped magnetic mines in the harbour exit. The force was intercepted by five French Curtiss H-75 fighters and a Skua was shot down into the sea with the loss of its two crew, the only British fatalities in the action.
French warships were ordered from Algiers and Toulon as reinforcements but did not reach Mers-El-Kebir in time. At 5:54 p.m., Churchill ordered the British ships to open fire and the British commenced from 17,500 yd (9.9 mi; 16.0 km). The third British salvo scored hits and a magazine aboard Bretagne exploded, the ship sinking with 977 of her crew at 6:09 p.m. After thirty salvoes, the French ships stopped firing; the British force altered course to avoid return fire from the French coastal forts but Provence, Dunkerque, the destroyer Mogador and two other destroyers were damaged and run aground by their crews. Four French Morane 406 fighters arrived, outnumbering the British Skuas. Another nine French fighters were then spotted at 7:10 p.m. and a dogfight ensued in which a Curtiss 75 and a Morane 406 were damaged. Three more Curtiss fighters appeared and there was another engagement.
Strasbourg, three destroyers and one gunboat managed to avoid the magnetic mines and escape to the open sea, under attack from a flight of bomb-armed Swordfish from Ark Royal. The French ships responded with anti-aircraft fire and shot down two Swordfish, the crews being rescued by the destroyer HMS Wrestler; a French flying boat also bombed a British destroyer. As the British bombing had little effect, at 6:43 p.m. Somerville ordered his ships to pursue and the light cruisers HMS Arethusa and Enterprise engaged a French gunboat. At 8:20 p.m. Somerville called off the pursuit, feeling that his ships were ill-deployed for a night engagement. After another ineffective Swordfish attack at 8:55 p.m., Strasbourg reached Toulon on 4 July.
The French aviso (gunboat) Rigault de Genouilly, en route to Oran, met Force H at 7:33 p.m. and sailed towards Hood, only to be fired on by Arethusa and Enterprise at 12,000 and 18,000 yd (5.9 and 8.9 nmi; 6.8 and 10.2 mi; 11 and 16 km) respectively, along with several 15 in (380 mm) shells from Hood, against which the French ship fired nineteen 5.45 in (138 mm) shells before being hit by Enterprise. On the next day, the British submarine HMS Pandora encountered the ship off the Algerian coast, mistook it for a cruiser and sank it. The French Air Force (Armée de l'Air) made reprisal raids on Gibraltar, including a small night attack on 5 July, when many bombs landed in the sea.
Actions of 8 July
The British believed that the damage inflicted on Dunkerque and Provence was not serious and on the morning of 8 July raided Mers-el-Kébir again in Operation Lever, with Swordfish aircraft from Ark Royal. A torpedo hit the patrol boat Terre-Neuve, moored alongside Dunkerque, full of depth charges. Terre-Neuve quickly sank and the depth charges went off, causing serious damage to Dunkerque. Another attack took place on 8 July, by aircraft from the carrier HMS Hermes, against the battleship Richelieu at Dakar; the battleship was seriously damaged.
Churchill wrote, "This was the most hateful decision, the most unnatural and painful in which I have ever been concerned". Relations between Britain and France were severely strained for some time and the Germans enjoyed a propaganda coup. Somerville said that it was "the biggest political blunder of modern times and will rouse the whole world against us ... we all feel thoroughly ashamed...". The attack revived Anglophobia in France, demonstrated British resolve to continue the war and rallied the British Conservative Party around Churchill (Neville Chamberlain, Churchill's predecessor as prime minister, was still party leader). The British action showed the world that defeat in France had not reduced the determination of the government to fight on and ambassadors in Mediterranean countries reported favourable reactions.
The French ships in Alexandria under the command of Admiral René-Emile Godfroy, including the old battleship Lorraine and four cruisers, were blockaded by the British on 3 July and offered the same terms as at Mers-el-Kébir. After delicate negotiations, conducted on the part of the British by Admiral Andrew Cunningham, Godfroy agreed on 7 July to disarm his fleet and stay in port until the end of the war. Some sailors joined the Free French while others were repatriated to France; the ships at Alexandria went on to be used by the Free French after May 1943. The British attacks on French vessels in port increased tension between Churchill and Charles de Gaulle, who was recognised by the British as the leader of the Free French Forces on 28 June 1940.
According to his principal private secretary, Eric Seal, "[Churchill] was convinced that the Americans were impressed by ruthlessness in dealing with a ruthless foe; and in his mind the American reaction to our attack on the French fleet in Oran was of the first importance". On 4 July, Roosevelt told the French ambassador that he would have done the same. Jean Lacouture, in a biography of De Gaulle, blamed the tragedy mainly on miscommunication; if Darlan had been in contact on the day or if Somerville had possessed a more diplomatic character, a deal might have been done. Lacouture accepted that there was a danger that the French ships might have been captured by German or more likely Italian troops, which was proven by the ease with which the British seized French ships in British ports or the Germans seized French ships in Bizerte in Tunisia in November 1942.
In 2004, David Brown wrote that foreign opinion was generally favourable to Operation Catapult and that the demonstration of British determination had succeeded. In 2010, Colin Smith wrote that the attack was the first big triumph of Churchill's premiership and that they had been received favourably by the governments of the US, Turkey, Greece and Brazil, with condemnation from Spain and Switzerland. Count Galeazzo Ciano, the Italian foreign minister, made a diary entry that the RN retained the "ruthlessness of the captains and pirates of the C16th".
|Rigault de Genouilly||—||3||9||12|
|Fleet Air Arm||—||—||—||2|
Following the 3 July operation, Darlan ordered the French fleet to attack Royal Navy ships wherever possible; Pétain and his foreign minister Paul Baudouin over-ruled the order the next day. Military retaliation was conducted through ineffective air raids on Gibraltar but Baudouin noted that "the attack on our fleet is one thing, war is another". As sceptics had warned, there were also complications with the French empire; when French colonial forces defeated de Gaulle's Free French Forces at the Battle of Dakar in September 1940, Germany responded by permitting Vichy France to maintain its remaining ships armed, rather than demobilised. On 24 September Gibraltar was bombed by sixty Vichy French aircraft which dropped 45 long tons (46 t) of bombs and that night, 81 bombers dropped 60 long tons (61 t) of bombs. The French 2nd Destroyer Division comprising Fougueux, Frondeur, Épée and Fleuret had sailed from Casablanca on 24 September and in the early hours of 25 September encountered the destroyer HMS Hotspur patrolling off Gibraltar. Épée opened fire but its 5.1 in (130 mm) guns broke down after firing fourteen shells, Fleuret did not open fire because it could not get on target and the other French destroyers fired six shots between them. Hotspur returned fire but this was not reported by the French ships.
On 27 September Force H stayed at sea after receiving "a charming message [that] the whole of the Toulon fleet was coming out to have a scrap with us" but the two navies adhered to a tacit understanding that the British did not attack more powerful French forces at sea or ships in port but intercepted other French ships:
Though British commanders had precise instructions regarding the interception of French shipping, discretion might prove the better part of valour if Vichy escorts were liable to inflict serious loss.
In the autumn, the French sent a convoy through the Strait of Gibraltar untroubled, a state of affairs which rarely changed during the Mediterranean Campaign.
In early June 1940, about 13,500 civilians had been evacuated from Gibraltar to Casablanca in French Morocco. Following the capitulation of the French to the Germans and the attack on Mers-el-Kébir, the Vichy government found their presence an embarrassment. Later in June, 15 British cargo vessels arrived in Casablanca under Commodore Crichton, repatriating 15,000 French servicemen who had been rescued from Dunkirk. Once the French troops had disembarked, the ships were interned until the Commodore agreed to take away the evacuees, who, reflecting tensions generated after the attack on Mers-el-Kébir, were escorted to the ships at bayonet point, minus many of their possessions.
On 19 November 1942, the Germans tried to capture the French fleet based at Toulon, against the armistice terms, as part of Case Anton, the military occupation of Vichy France by Germany. All ships of any military value were scuttled by the French before the arrival of German troops, notably Dunkerque, Strasbourg and seven (four heavy and three light) modern cruisers. For many in the French Navy this was a final proof that there had never been a question of their ships ending up in German hands and that the British action at Mers-el-Kébir had been unnecessary. Darlan was true to his promise in 1940, that French ships would not be allowed to fall into German hands. Godfroy, still in command of the French ships neutralised at Alexandria, remained aloof for a while longer but on 17 May 1943 joined the Allies.
Orders of battle
- HMS Hood – battlecruiser – Flagship
- HMS Resolution – battleship
- HMS Valiant – battleship
- HMS Ark Royal – aircraft carrier
- HMS Arethusa – light cruiser
- HMS Enterprise – light cruiser
- HMS Faulknor – destroyer
- HMS Foxhound – destroyer
- HMS Fearless – destroyer
- HMS Forester – destroyer
- HMS Foresight – destroyer
- HMS Escort – destroyer
- HMS Keppel – destroyer
- HMS Active – destroyer
- HMS Wrestler – destroyer
- HMS Vidette – destroyer
- HMS Vortigern – destroyer
French Navy (Marine Nationale)
It is impossible for us, your comrades up to now, to allow your fine ships to fall into the power of the German enemy. We are determined to fight on until the end, and if we win, as we think we shall, we shall never forget that France was our Ally, that our interests are the same as hers, and that our common enemy is Germany. Should we conquer we solemnly declare that we shall restore the greatness and territory of France. For this purpose we must make sure that the best ships of the French Navy are not used against us by the common foe. In these circumstances, His Majesty's Government have instructed me to demand that the French Fleet now at Mers el Kebir and Oran shall act in accordance with one of the following alternatives;
(a) Sail with us and continue the fight until victory against the Germans.
(b) Sail with reduced crews under our control to a British port. The reduced crews would be repatriated at the earliest moment.
If either of these courses is adopted by you we will restore your ships to France at the conclusion of the war or pay full compensation if they are damaged meanwhile.
(c) Alternatively, if you feel bound to stipulate that your ships should not be used against the Germans lest they break the Armistice, then sail them with us with reduced crews to some French port in the West Indies—Martinique for instance—where they can be demilitarised to our satisfaction, or perhaps be entrusted to the United States and remain safe until the end of the war, the crews being repatriated.
If you refuse these fair offers, I must with profound regret, require you to sink your ships within 6 hours.
Finally, failing the above, I have orders from His Majesty's Government to use whatever force may be necessary to prevent your ships from falling into German or Italian hands.— Somerville
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|Wikimedia Commons has media related to Attack on Mers El Kebir.|
- A plan of the Mers-el-Kébir anchorage, hmshood.org.uk
- Mers-El-Kebir (1979) a French made-for-TV movie
- Churchill's Sinking of the French Fleet (3 July 1940), digitalsurvivors.com
- Churchill's Deadly Decision, episode of Secrets of the Dead describing the attack and the events leading up to it
- Kappes, Irwin J. (2003) Mers-el-Kebir: A Battle between Friends, Military History Online