Operation Ariel

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Operation Ariel
Part of the Battle of France
Operation Ariel 1940 map.png
Ports used during the evacuation of British and Allied forces, 15–25 June 1940, in Operation Ariel
Date 15–25 June (unofficially to 14 August) 1940
Location French Atlantic coast
Coordinates: 49°29′24″N 0°06′00″E / 49.49000°N 0.10000°E / 49.49000; 0.10000
Result Allied success
German forces occupied French Atlantic and Channel coasts from 1940–1944
 United Kingdom
Canada Canada
Poland Poland
Czechoslovakia Czechoslovakia
Germany Germany
Commanders and leaders
United Kingdom Alan Brooke Nazi Germany Gerd von Rundstedt
Helmuth Förster

Operation Ariel (also Operation Aerial) was the name given to the World War II evacuation of Allied forces and civilians from ports in western France from 15–25 June 1940, following the military collapse in the Battle of France against Nazi Germany. It followed Operation Dynamo, the evacuation from Dunkirk and Operation Cycle, an evacuation from Le Havre, which finished on 13 June. British and Allied ships were covered from French bases by five RAF fighter squadrons and assisted by aircraft based in England to lift British, Polish and Czech troops, civilians and equipment from Atlantic ports, particularly from St. Nazaire and Nantes.

The Luftwaffe attacked the evacuation ships and on 17 June, evaded RAF fighter patrols and sank the Cunard liner and troopship HMT Lancastria in the Loire estuary. The liner had thousands of troops, RAF personnel and civilians on board and an unknown number of the passengers died in the sinking, because in the haste quickly to embark as many people as possible, keeping count broke down. The loss of at least 3,500 people, made the disaster the greatest loss of life in a British ship, which the British government tried to hide on the orders of Winston Churchill. The ship sank quickly and vessels in the area were still under attack during rescue operations, which saved about 2,477 passengers and crew.

Some equipment was embarked on the evacuations ships but lack of reliable information about the progress of the German army towards the coast, rumours and alarmist reports, led some operations to be terminated early and much equipment was destroyed or left behind. The official evacuation ended on 25 June in conformity with the terms of the Armistice of 22 June 1940 agreed by the French and German authorities but informal departures continued from French Mediterranean ports until 14 August. From the end of Operation Dynamo at Dunkirk, Operation Cycle from Le Havre, elsewhere along the Channel coast and the termination of Operation Ariel, another 191,870 troops were rescued, bringing the total of military and civilian personnel returned to Britain during the Battle of France to 558,032, including 368,491 British troops.


Royal Navy[edit]

The evacuation of the BEF from Dunkirk left a surplus of men on the lines-of-communication, base depots and other establishments among the 140,000 troops still in France. Sufficient lines-of-communication personnel for an armoured division and four infantry divisions and an Advanced Air Striking Force were to be retained and the rest returned to Britain. Naval operations in the Norwegian Campaign and the evacuation of Dunkirk had suffered losses, which temporarily weakened the Home Fleet, particularly in smaller vessels needed to escort evacuation ships from the French Atlantic coast. Losses inflicted on the surface ships of the Kriegsmarine made it impossible for the Germans to challenge British naval supremacy in the Channel and the Bay of Biscay. Seven German submarines patrolling off the west coast of France made no attempt to interfere and only the Luftwaffe was used against the evacuations.[1] Operation Ariel was commanded by Admiral William Milbourne James, the Commander-in-Chief, Portsmouth. James lacked the vessels necessary for convoys and organised a flow of troopships, storeships and motor vehicle vessels from Southampton, coasters to ply from Poole and the Dutch schuyts to work from Weymouth, while such warships as were available patrolled the shipping routes. Demolition parties sailed in the ships but it was hoped that supplies and equipment could be embarked as well as troops.[2]


See also: Haddock Force
Satellite photograph of the Channel Islands off the French Atlantic coast

After Dunkirk, the AASF squadrons in France had been moved to the area between Orléans and Le Mans during the lull before Fall Rot, the German offensive over the Somme and Aisne rivers. From the new bases, the AASF was able to operate anywhere along the front but after the German breakthrough on 11 June, British Air Forces in France (Air vice-marshal Arthur Barratt) was warned by the Air Ministry to be ready for a quick getaway from France. The British squadrons were moved west to bases around Angers, Saumur, Rennes and Nantes, which were already full of French aircraft and severely congested. Barratt sent the light bomber squadrons back to England on 15 June and kept the five fighter squadrons to cover the evacuation of RAF ground staff and the three British divisions commanded by Brooke.[3]

After Marshal Philippe Pétain requested an armistice on 17 June, Barratt had to defend seven ports on the Atlantic coast and sent the AASF anti-aircraft batteries to La Pallice and La Rochelle, the least important embarkation harbours.[3] Nantes and St. Nazaire, the most important ports were covered by 1 Squadron, 73 Squadron and 242 Squadron, with a small detachment covering Brest. St. Malo and Cherbourg were protected by 17 Squadron and 501 Squadron from the aerodrome at Dinard across the bay from St. Malo, then later from the Channel Islands. Fighter Command squadrons from RAF Tangmere were also available for Cherbourg and Coastal Command prepared to escort returning ships. Once the arrangements were made, Barrett left for England and the Senior Air Staff Officer (SASO), Air Vice-Marshal Douglas Evill took over.[4]

Operations Dynamo and Cycle[edit]

Operation Dynamo at Dunkirk (26 May – 3 June) had evacuated much of the fighting element of the British Expeditionary Force. Some combat units from the 1st Armoured Division, the Beauman Division and more than 150,000 support and line-of-communication troops, had been cut off in the south by the German "dash to the sea".[5] By the end of May, medical stores had been removed from Dieppe and a demolition party landed, ready to blow up the port infrastructure. A big depot at Le Havre had been run down by using it to feed troops in the area and removing the military stores not immediately needed. A reserve of motor transport collected at Rouen had been used as transport for improvised units and specialised ammunition had been moved from the reserve around Buchy but the removal of the huge quantity of ordinary ammunition accumulated there was impossible.[6]

On 9 June, the French commander at Le Havre sent word to the 10th Army and the 51st Highland Division, that the Germans had captured Rouen and were heading for the coast. Ihler, the IX Corps commander and Fortune, decided that the only hope of escape was through Le Havre and abandoned the plan to retire through Rouen. The port admiral requested enough ships from the Admiralty to remove 85,000 troops but this contradicted the plans of Weygand and Dill hesitated, ignorant that Weygand's delay in issuing the orders had made it impossible. Karslake had also urged several times that the retirement be accelerated but had no authority to issue orders. Only after receiving a message during the night from Fortune, that the 51st Division was participating in a retreat by IX Corps towards Le Havre, did Dill learn the true situation.[7]

Fortune detached a force to guard Le Havre comprising the 154th Infantry Brigade, A Brigade of the Beauman Division, two artillery regiments and engineers, known as Arkforce (Brigadier Stanley-Clarke), which moved on the night of 9/10 June towards Fécamp, where most had passed through before the 7th Panzer Division arrived. A Brigade forced its way out but lost the wireless truck intended to keep contact with the 51st (Highland) Division. The possibility of holding a line from Fécamp to Lillebonne was discounted and Stanley-Clarke ordered Arkforce on to Le Havre.[7] A Royal Navy demolition party had been in Le Havre since late May and the port was severely bombed by the Luftwaffe on 7 June and two days later, the Admiralty sent orders for an evacuation. Admiral William James, the Commander-in-Chief, Portsmouth sent a flotilla leader, HMS Codrington across the channel, accompanied by six British and two Canadian destroyers, smaller craft and many Dutch coasters (known as schuyts).[8]

A hasty plan was made to block Dieppe harbour and on 10 June, HMS Vega (Captain G. A. Garnon-Williams) escorted three blockships to the port. Two were sunk in the approach channel but the third ship hit a mine just outside, which prevented it being sunk at the entrance to the inner harbour.[8] Beach parties landed at Le Havre to take control of the evacuation on 10 June and after a 24-hour postponement, the evacuation began on 11 June. The embarkation was hindered somewhat by the damage to the port caused by Luftwaffe bombing, damaging the troopship SS Bruges, which had to be beached and cut the electric power, rendering the cranes on the docks useless; ramps were tried for vehicle loading but was too slow. On 12 June, RAF fighters began patrolling the port and deterred more raids and an attempt was made to save the transport and equipment by diverting it over the Seine via the ferry crossings at Caudebec or the ships at Quillebeuf at the river mouth. The quartermaster of the 14th Royal Fusiliers succeeded in getting the transport away.[9] The greatest number of troops were removed on the night of 12/13 June and the evacuation was completed by dawn; of 11,059 British troops evacuated, 9,000 menof A Brigade of the Beauman Division were taken to Cherbourg and the 154th Infantry Brigade sailed via Cherbourg to England.[10][11]

St. Valery-en-Caux[edit]

On 10 June British destroyers reconnoitred the smaller ports to the east of Le Havre. HMS Ambuscade was damaged by artillery-fire from the cliffs near St. Valery-en-Caux during the evening. Troops not needed to hold the perimeter at St. Valery moved down to the beaches and the harbour but no ships arrived, because thick fog prevented them from moving inshore. An armada of 67 merchant ships and 140 small craft had been assembled but few had wireless and the fog ruined visual signalling; only at Veules-les-Roses were many soldiers rescued, under fire from German artillery, which damaged the destroyers Bulldog, Boadicea and Ambuscade. Near dawn, the troops at the harbour were ordered back into the town, then discovered that the local French commander had negotiated a surrender.[12] A total of 2,137 British and 1,184 French soldiers were rescued but over 6,000 men of the 51st (Highland) Division were taken prisoner on 12 June.[13]


"2nd BEF"[edit]

On 2 June, Brooke visited the War Office, having returned from Dunkirk on 30 May and was told by Field Marshal John Dill to go back to France to assemble another BEF. In the emergency, the force would be the 51st (Highland) Division and 1st Armoured Division already in France, with the 52nd Lowland Division and the 1st Canadian Division from Britain, to be followed by the 3rd Division as soon as it was re-equipped. The II Corps headquarters was spread around Britain after its return from Dunkirk and his first choice of chief of staff was busy with Lord Gort the former BEF commander, writing dispatches. Brook warned Dill and the Secretary of State for War, Anthony Eden that the enterprise was futile, except as a political gesture. Brook was told that on return to France he would come under the authority of Weygand. In France, Fonblanque was still in command of the lines-of-communication troops of the original BEF and lieutenant-generals Henry Karslake and James Marshall-Cornwall were assisting with command. A brigade group of the 52nd Lowland Division departed for France on 7 June and Brooke returned on 12 June.[14]

On 13 June the RAF made a maximum effort to help the French armies, that had been broken through on the Marne. The Germans were across the Seine in the west and the French armies near Paris fell back, isolating the Tenth Army on the channel coast. The German advance threatened the airfields of the AASF, which was ordered to retreat towards Nantes or Bordeaux, while supporting the French armies for as long as they kept fighting. The AASF flew armed reconnaissance sorties over the Seine from dawn and German columns were attacked by a force of 10 Battles, then a second formation of 15 Battles and then 15 Blenheims. On the Marne, 12 Battles attacked a concentration of German troops and tanks, followed by an attack by 26 Battles, which lost six shot down and then a third attack by 15 Blenheims from Bomber Command that lost another four. RAF attacks continued through the night, with 44 sorties over the Seine, 20 north of Paris, 41 on the Marne and 59 against road and rail communications and against woods reported by the French to be full of German troops. Fighter sorties had been hampered by bad weather and were limited to coastal patrols.[15]

Next day attacks resumed against German units south of the Seine but the weather had worsened and fewer sorties were flown. A raid by 24 Blenheims with fighter escort was made on Merville airfield for a loss of 7 aircraft and ten Fighter Command squadrons patrolled twice in squadron strength or provided bomber escorts, in the biggest effort since Dunkirk, as fighters of the AASF patrolled south of the Seine. During the night, 72 bombers attacked German marshalling yards forests and dropped mines in the Rhine river for a loss of two aircraft. The remnants of the 1st Armoured Division and two brigades of the Beauman Division were south of the river, along with thousands of lines-of-communication troops but only the 157th (Highland Light Infantry) Brigade of the 52nd (Lowland) Division, which had commenced disembarkation on 7 June, engaged in military operations, occupying successive defensive, positions under command of the Tenth Army. The French armies were forced into divergent retreats, with no obvious front line; on 12 June, Weygand had recommended that the French government seek an armistice, which led to the abortive plan to create a defensive zone in Brittany.[5]

On 14 June, Lieutenant-General Alan Brooke was able to prevent the rest of the 52nd (Lowland) Division being sent to join the 157th Infantry Brigade and during the night Brook was informed that he was no longer under French command and must prepare to withdraw the British forces from France. Marshall-Cornwall was ordered to take command of all British forces under the Tenth Army as Norman Force and while continuing to co-operate, withdraw towards Cherbourg. The rest of the 52nd (Lowland) Division was ordered back to a defence line near Cherbourg to cover the evacuation on 15 June. The AASF was also directed to send the last bomber squadrons back to Britain and use the fighter squadrons to cover the evacuations. The German advance over the Seine had paused while bridges were built but the advance began again during the day, with the 157th Infantry Brigade engaged east of Conches-en-Ouche with the Tenth Army. The army was ordered to retreat to a line from Verneuil to Argentan and the Dives river, where the British took over an 8 miles (13 km) front either side of the Mortagne-au-PercheVerneuil-sur-Avre road. German forces followed up quickly and on 16 June, Altmayer ordered the army to retreat into the Brittany peninsula.[16]

Breton redoubt[edit]

Topographical map of Brittany

On 29 May, the Prime Minister of France, Paul Reynaud, replied to Weygand, rejecting his recommendation that an armistice be considered and asked him to study the possibility that a national redoubt could be established around a naval port in the Brittany peninsula, to retain freedom of the seas and contact with French allies. The idea was discussed by the French and British governments on 31 May and an operational instruction was drawn up on 5 June, in which Brook was appointed to command the new BEF ("2nd BEF") being prepared for France. Plan "W", the original plan to land the BEF in 1939 was used, with the 52nd (Lowland) Infantry Division being directed to Cherbourg, to assemble at Evreux, ready to support the 51st (Highland) Infantry Division (major-General Victor Fortune) north of the Seine. On 6 June, Weygand issued orders to begin work on the redoubt, under the command of General Réné Altmayer.[17][a]

German forces crossed the Seine on 9 June, cutting off the 51st (Highland) Division north of the river, two days after 52nd (Lowland) Division had begun to land and the assembly of the division was changed to Rennes in Brittany; the 157th (Highland Light Infantry) Brigade which had arrived first, was directed to Beaumont near Le Mans, the rest of the division to follow on. The 1st Canadian Infantry Brigade of the 1st Canadian Infantry Division began its arrival at Brest on 11 June and was sent to Sablé-sur-Sarthe, on the assumption that two fresh divisions would be enough to allow the Tenth Army to retreat through them and take up positions prepared around the Brest peninsula. That day, the Anglo-French Supreme War Council met at Briare and General Charles de Gaulle (Minister of War) was sent to Rennes to survey progress on the redoubt; on 12 June, De Gaulle reported that Quimper would be a favourable place for the government to retreat to, since it would be easy to take ship to England or Africa, since the prospect of maintaining a redoubt in Brittany was non-existent.[18]

Altmayer had reported that work had begun on defences, civilian labour had been recruited and 3,000 Polish troops had arrived to begin work, despite a lack of civil engineering machinery. Churchill visited France for the last time on 13 June, met Reynaud and approved the project. Brook had visited the 1st Canadian Division in England to give the gist of the plan and met Weygand and Georges at Briare on 14 June, where all agreed that the plan was futile but that the will of the civilian leadership must be respected and signed a joint agreement. Brook telephoned Dill in London to find that no agreement had been made with the French and after checking called with the news that "Mr. Churchill knew nothing about the Brittany the project". Churchill was of the view that the new corps forming in France should stay, at least until the final French collapse, then return through the nearest port. Without the support of the 52nd Division on the left flank, the Tenth Army was cut off from Brittany, when two German divisions got into the peninsula first and forced the French line of retreat south to the Loire. French troops already in the area were able to join the main French force, after the Canadians had departed for England.[19]


Cherbourg and St Malo[edit]

Most of the 52nd Lowland Division and the remnants of the 1st Armoured Division embarked from 15–17 June. The Beauman Division and Norman Force, both improvised formations, left on the evening of 17 June and the rearguard battalion was evacuated in the afternoon of 18 June. A total of 30,630 men were rescued from Cherbourg and taken to Portsmouth. At St Malo, 21,474 men, mostly of the 1st Canadian Division, were evacuated from 17–18 June; all but 789 passengers being British; no-one was killed and no ship was damaged.[2] The Luftwaffe tried to intervene but was thwarted by the RAF and the 1st Canadian Division suffered only six losses during its brief excursion to the Continent; five men were reported missing and one man was killed; four of the missing were interned and then made it back to England.[20]


RAF personnel being evacuated from Brest

The evacuation from the southern ports on the Bay of Biscay was commanded by Admiral Sir Martin Dunbar-Nasmith, the Commander-in-Chief of Western Approaches Command based in Devonport. The evacuation was made more difficult by a lack of information from Brest, St. Nazaire and Nantes. Brest is a port city in the Finistère département in Brittany in north-western France, where sense of urgency was imparted by the Cabinet in London and the evacuation was conducted quickly, with some confusion and guns and vehicles which could have been removed, were destroyed needlessly. The Germans were known to be in Paris and advancing southwards but information about German progress was inaccurate, mainly being rumour. The ships, including the Arandora Star, Strathaird and Otranto rescued 28,145 British and 4,439 Allied personnel, mostly RAF ground crew from 16–17 June and the ships with room to spare were sent south to St. Nazaire and the French wrecked the harbour facilities with assistance from the British demolition party. The French ships sailed and on 19 June the demolition party was removed aboard the destroyer Broke.[21][22]

St. Nazaire and Nantes[edit]

Nantes is located in France

Saint-Nazaire in Brittany, is a commune in the Loire-Atlantique department and Nantes is the capital of the Pays de la Loire region, in the same département and is the largest city in Brittany. Operations at St. Nazaire at the mouth of the Loire, where strong tides and other hazards to navigation and Nantes 50 miles (80 km) upriver took place concurrently. Vague and contradictory information led the navy to believe that 40,000–60,000 men were en route to Nantes but not when they would arrive. To lift so many men, Dunbar-Nasmith assembled the destroyers Havelock, Wolverine and Beagle and the liners Georgic, Duchess of York, Franconia, RMS Lancastria, the Polish ships Batory and Sobieski and several commercial cargo ships but these had to anchor in Quiberon Bay 20 miles (32 km) north-west of the Loire estuary, which was used despite having no anti-submarine defences. The evacuation began on 16 June, with 16,000 troops leaving for home on the Georgic, Duke of York and the two Polish ships. German bombers attacked the bay but were only able to damage the Franconia. Loading of equipment continued overnight and more ships from England and Brest arrived, along with two more destroyers, Highlander and Vanoc. The large troopships would have been exceedingly vulnerable, had German bombers been able to make daylight attacks but British fighter cover had restricted the Luftwaffe to minelaying, which only delayed movement until channels were swept.[22] The RAF fighters each flew up to six sorties per day and the final patrol over Nantes was flown by 73 Squadron, then the last airworthy Hurricanes flew to RAF Tangmere.[4]

The last 4,000 British troops left for Plymouth at 11:00 a.m. on 18 June in 12 small merchant ships in two convoys; much equipment was abandoned after alarmist reports led to the convoys sailing in haste.[23] In the afternoon, Dunbar-Nasmith heard that 8,000 Polish troops were approaching the port and sent six destroyers and seven troop transports to St. Nazaire, which arrived on 19 June but only 2,000 men appeared and no German forces were in hot pursuit.[24] Unserviceable Hurricanes were burned by their ground crews, a staff car was given to a friendly local café proprietor and an airman tried to sell off an Austin 7. The rear parties then departed in transport aircraft, a few hours before German tanks arrived.[25] (On the journey home during the night of 17/18 June, Floristan, a merchantman with 2,000 men on board, of the 27,000 troops and civilians in its convoy, was attacked by a Ju 88 but being under way, dodged the bombs as soldiers fired back with Bren guns and riddled the cockpit. The bomber carried away the mast tops and the aerial, then crashed into the sea to the cheers of the rest of the convoy.)[26]


Main article: RMS Lancastria
Lancastria sinking off St. Nazaire (HU3325)

On 17 June, there were still about 67,000 troops waiting ashore, many at St. Nazaire and ferrying men to the big ships offshore resumed early in the morning, soon joined by lighters, tenders and destroyers. The men being transported were reinforcements and lines-of-communication troops, tradesmen, labourers, mechanics and engineers of the Royal Army Service Corps (RASC), pioneers and tradesmen from RAF maintenance units from Nantes aerodrome. Several merchantmen and railway ferries from the Dover–Calais route were among the armada off St. Nazaire but the largest ship was the 16,243 long tons (16,504 t) Lancastria of the Cunard Line. Lancastria was normally permitted to carry 1,700 passengers and 375 crew but in the emergency Captain R. Sharp was ordered to take as many troops as could be crammed aboard. Among the military personnel were about 40 civilians, including embassy staff, men from Avions Fairey in Belgium and their families came aboard.[27]

As the boarding progressed, a soldier heard Sharp and his Chief Officer H. Grattidge say that 6,700 people were on the ship, as a lighter came alongside and Sharp decide that it would be the last to deliver passengers. Sharp and Grattidge kept watch on the sky, as aircraft fought above the Loire estuary and German bombers tried to hit the Oronsay about 0.5 miles (0.80 km) distant; at 1:50 p.m., Oronsay was hit and part of the bridge destroyed. Sharp was advised by the captain of the HMS Havelock to leave at once but for fear of U-boats, Sharp wanted a destroyer escort. No destroyer was forthcoming and Sharp decided to leave with Oronsay; Lancastria stayed at anchor rather than being made a moving target. At 3:45 p.m. more German bombers appeared while the RAF Hurricanes were at the far end of their 30 miles (48 km) patrol line and a bomber hit Lancastria with three or four bombs. The ship tilted to starboard and the bridge crew shouted for everyone to go to the port side and Lancastria came level again, then keeled over to port.[28]

Grattidge called out "Your attention please. Clear away boats"; there were far too few for the number of people crammed aboard and some boats had been smashed in the bombing. After the remaining lifeboats had been launched, some sinking in the process after falling into the sea or being swamped, the order "every man for himself" was given. Some men in life jackets, jumped overboard from the starboard side and broke their necks, others walked down the side of the hull, where they could see the men trapped inside through portholes and stepped into the water as the ship settled. Once in the water, they were strafed by German bombers, which also dropped flares on patches of oil and burned alive some of the shipwrecked men. While Lancastria was on its side, the hull was covered by men who could not swim, singing "Roll out the Barrel" until they sank with the ship, about fifteen minutes after the bombing. As time passed, exhaustion and despair led people in the sea to give up and slip underwater. About 2,477 people were rescued but more than 3,500 men, women and children were killed.[29][b]

La Pallice[edit]

La Pallice, the grand port maritime de La Rochelle is the commercial deep-water port of La Rochelle. A senior British naval officer arrived by destroyer on 16 June and the evacuation began next day. The naval officer found 10,000 men and no transports so requisitioned ships in the port, embarked the troops but not their vehicles and departed on 18 June. Dunbar-Nasmith sent ships twice more, which picked up 4,000 Polish troops on 19 June. Few men were found on 20 June and surplus ships were sent south to the Gironde ports. Most of the British troops in France had gone but more Polish and Czech troops, Embassy and Consular staffs, British and other civilians remained.[32]

Bordeaux, Le Verdon, Bayonne and St. Jean-de-Luz[edit]

Modern map of St. Jean-de-Luz (commune FR insee code 64483)

Bordeaux and Le Verdon-sur-Mer are ports on the Garonne River in the Gironde départment in Aquitaine. Bayonne at the confluence of the Nive and Adour rivers and St. Jean-de-Luz are ports and communes in the Pyrénées-Atlantiques départment, all four ports being on the south-western coast of France. The Arethusa was stationed off Bordeaux on 16 June as a wireless link and on 17 June, British and some Allied ships were cleared for England and the embarkation Polish and Czech troops and civilians began. A Hunt-class destroyer HMS Berkeley (Lieutenant-Commander H. G. Walters), had been made available to Reynaud and the French Government, also as a venue for discussions with Churchill and on 19 June, the ship evacuated the remaining British Consular staff from Bordeaux. British diplomatic staff, the President of Poland and his cabinet were given preferential treatment.[33]

The Berkeley was replaced by the cruiser Galatea and sailed for England with the VIPs. Evacuation continued at the nearby ports of Le Verdon at the river mouth and Bayonne, where the Polish ships Batory, Sobieski and the Ettrick and Arandora Star took on everyone they could find on 19 June, then sailed for St Jean-de-Luz on 20 June.[33] The evacuation at St. Jean de Luz ended officially at 2:00 p.m. on 25 June, just after the deadline set by the terms of the armistice. On the final day of the operation, the Canadian destroyer Fraser was accidentally rammed and sunk by the anti-aircraft cruiser Calcutta in the Gironde estuary.[34] Minor evacuations continued informally from the Mediterranean coast of France, until 14 August.[35]



Troops and civilians
evacuated (15–25 June 1940)[33][36]
Nationality Total
British 144,171
Polish 24,352
French 18,246
Czech 4,938
Belgian 163
Total 191,870
Civilian 30–40,000

In 1953, L. F. Ellis, the British official historian, wrote that by the end of the informal evacuations on 14 August, another 191,870 men had been evacuated after the 366,162 rescued by Operation Dynamo, a total of 558,032 people, 368,491 being British troops.[33] In 2001, Brodhurst wrote that many civilians escaped from French Atlantic and Mediterranean ports, to England via Gibraltar and that 22,656 more civilians left the Channel Islands from 19–23 June. Brodhurst gave figures of 368,491 British, 189,541 Allied troops and 30,000–40,000 civilians evacuated.[c] Although much equipment was lost, 322 guns, 4,739 vehicles, 533 motor cycles. 32,303 long tons (32,821 t) of ammunition, 33,060 long tons (33,590 t) of stores, 1,071 long tons (1,088 t) of petrol, 13 light tanks and 9 cruiser tanks were recovered during Operation Ariel and the earlier evacuations.[38][d] German submarines could have sunk British ships in the Bay of Biscay, many of the troopships being unescorted and out of range of England-based fighters but the seven in the area did not intervene. The Luftwaffe managed to sink the Lancastria but German operations against Operation Ariel, showed a lack of co-ordination between the Luftwaffe and Kriegsmarine. Brodhurst wrote that the success of the operation, was due to the professionalism of the Royal Navy, the decisions of middle-ranking officers like Ramsay and the conduct of the navy and civilian crews, who took grave risks to rescue the army.[37]

In 1979, Karslake described the "Breton Redoubt affair" and concluded that all of the people involved knew of the scheme and all had agreed, albeit with little faith in its success, for it to go ahead.[39] Karslake also reviewed the figures given in the official history for equipment recovered during Operation Ariel. Ellis had included equipment loaded onto ships in England but never unloaded in France in his figures for material recovered during the operation. Ellis recorded the recovery of 322 guns, 17 of the 51st (Highland) Division from Le Havre, 120 of the 52nd (Lowland) Division from Cherbourg, 24 of the 1st Canadian Division from Brest and 32 guns of the Beauman Division from Cherbourg, 194 guns in all, with 128 guns not accounted for. Karslake wrote that some guns may have been on ships sent from England but not unloaded and they could not have belonged to the two BEF Anti-Aircraft brigades south of the Somme and the Anti-Aircraft brigade protecting the lines-of-communication units and the AASF airfield defence brigade had only 170 guns between them. The 53rd Heavy AA Regiment reached Marseilles with its two heavy and one light battery but could only load the light anti-aircraft guns, due to a lack of cranes and no "jumbo" derrick on the evacuation ship, the remaining 13 3-inch anti-aircraft guns having to be sabotaged and left behind.[40][e]

Of the 4,739 vehicles brought back to Britain, most belonged to the 52nd and 1st Canadian divisions and had not been unloaded and the rest had been embarked before "panic orders" had been issued to the ports. Of the 32,303 long tons (32,821 t) of ammunition recovered, Karslake had been given a priority list of small-arms ammunition, 25-pounder shells and the chemical warfare equipment dumped at Fécamp. Much of the chemical warfare material had been removed by early June and most of the rest of the ammunition recovered from France could be accounted for by a shipload not unloaded at Cherbourg on 15 June and another loaded ship at St. Nazaire. Of the 33,060 long tons (33,590 t) of other stores saved, only material returned to Britain during May had been unloaded from ships and the 1,071 long tons (1,088 t) of petrol was on a part-loaded ship which left St. Nazaire on 16 June. On 4 June, Karslake had asked the CIGS to stop sending supplies but this was ignored and troops saw more supplies being unloaded as they loaded ships for the evacuation. The 6th Battalion Royal Sussex stacked petrol tins in the Fôret de Savernay from 26 May – 15 June and then set fire to it on 16 June.[42]

As the RAF presence in France was reduced, its aviation fuel requirements fell and by 5 June, most of the RAF aircraft had returned to England but deliveries from Britain continued. British armoured units also made less demand on fuel supplies as the number of vehicles dwindled until the main users of fuel were the transport echelons of the front-line units and the lines-of-communication troops, which could be supplied by the fuel delivered up to the end of May. Karslake wrote that the small number of armoured vehicles removed from France was a mystery and that a train with the last tanks of the 2nd Armoured Brigade and some of those of the 3rd Armoured Brigade on a train had departed from Le Mans for St. Malo and disappeared. It was rumoured that the train had been sidelined by the French and the engine removed for another train but no effort was made by the road parties outside Brest to find their vehicles. No party accompanied the vehicles and no aircraft reconnaissance was sought even though the Germans were a long way from Brittany at the time.[43]

Karslake wrote that in 1939 General Edmund Ironside the Chief of the Imperial General Staff (CIGS) had warned Field Marshal Lord Gort and General John Dill the Vice CIGS before the BEF sailed for France, to prepare defence plans for rear areas, able to be implemented quickly to garrison communication centres and geographical bottlenecks, for which even the most non-combatant troops must be trained and equipped but during the Phoney War nothing was done. It was fortunate that Brigadier Beauman, who had been "dug-out" of retirement, was on hand to organise the lines-of-communciation troops south of the Somme, as far as anything could be achieved in the emergency. Karslake wrote that had General Karslake been furnished with a staff and the power of command over all British troops, rather than this being vested in the cumbersome and disorganised French command system, the disadvantages under which the lines-of-communication troops were burdened could have been alleviated. When Lieutenant-General Alan Brooke arrived on 12 June, to command the British troops in France he had no faith in military operations, left his staff at St. Malo and concentrated on ending the British presence in France as quickly as possible.[44]


From May–June, including the period of Operation Ariel, the Luftwaffe lost 1,284 aircraft and the RAF lost 1,526 men killed, wounded, died of wounds or injury, injured, lost at sea or taken prisoner and 959 aircraft, including 477 fighters were shot down, destroyed on the ground or written off. The AASF lost 229, the Air Component 279, Fighter Command 219, Bomber Command 166 and Coastal Command 66 aircraft.[45] In the course of the operations from 5–18 June, the AASF lost 13 more Battles, two Bristol Blenheims, and 15 Hurricanes. Fighter Command lost a Spitfire, 26 Hurricanes and three Blenheims.[46] During the Battle of France, the British army lost 68,111 casualties, killed, died of wounds, wounded, missing or taken prisoner and 599 men died of injury or illness; navy casualties could not be separated from operations elsewhere in the world.[47] German casualties in the battle (only a few Luftwaffe losses of which occurred during Operation Ariel), were 27,074 killed. 111,034 wounded and 18,384 men missing.[48]



  1. ^ Brother of Robert the Tenth Army commander.[17]
  2. ^ In 2005, Fenby wrote that estimates of the death toll vary from fewer than 3,000 to 5,800 people, the largest loss of life in British maritime history.[30] The British government suppressed news of the disaster on Winston Churchill's orders through the D-Notice system but the story was broken by the Press Association on 25 July.[31]
  3. ^ Brodhurst did not specify if this was for Operation Ariel or for all evacuations from France but the number is the same as that given by the official historian for the total of British troops evacuated from France.[37]
  4. ^ 2,472 guns were destroyed or left behind, 63,879 vehicles, 20,548 motor cycles, 76,697 long tons (77,928 t) of ammunition, 415,940 long tons (422,610 t) of supplies and equipment and 164,929 long tons (167,576 t) of petrol were also destroyed or left behind.[38]
  5. ^ Karslake disclosed that he was the son of Lieutenant-General Henry Karslake, the commander of the British lines-of-communication troops in 1940 and that he had typed his father's report to the War Office soon after Operation Ariel.[41]


  1. ^ Ellis 2004, pp. 263–265.
  2. ^ a b Ellis 2004, p. 302.
  3. ^ a b Richards 1974, pp. 147–148.
  4. ^ a b Richards 1974, pp. 147–149.
  5. ^ a b Ellis 2004, p. 296.
  6. ^ Ellis 2004, p. 264.
  7. ^ a b Karslake 1979, pp. 180–181.
  8. ^ a b Roskill 1957, pp. 231, 230.
  9. ^ Karslake 1979, pp. 181–182.
  10. ^ Karslake 1979, p. 182.
  11. ^ Roskill 1957, pp. 230–231.
  12. ^ Roskill 1957, pp. 230–232.
  13. ^ Ellis 2004, pp. 286–293.
  14. ^ AlanbrookeDanchev & Todman 2002, pp. 74–75.
  15. ^ Ellis 2004, p. 295.
  16. ^ Ellis 2004, pp. 300–302.
  17. ^ a b Karslake 1979, p. 264.
  18. ^ Karslake 1979, p. 265.
  19. ^ Karslake 1979, pp. 265–267.
  20. ^ Stacey 1956, p. 284.
  21. ^ Roskill 1957, pp. 232–234.
  22. ^ a b Ellis 2004, pp. 302–303.
  23. ^ Ellis 2004, p. 304.
  24. ^ Brodhurst 2001, pp. 136–137.
  25. ^ Richards 1974, p. 149.
  26. ^ Sebag-Montefiore 2006, p. 496.
  27. ^ Sebag-Montefiore 2006, pp. 486–487.
  28. ^ Sebag-Montefiore 2006, pp. 488–491.
  29. ^ Sebag-Montefiore 2006, pp. 491–495.
  30. ^ Fenby 2005, p. 247.
  31. ^ HDM 1940.
  32. ^ Ellis 2004, pp. 304–305.
  33. ^ a b c d Ellis 2004, p. 305.
  34. ^ English 1993, pp. 47–48.
  35. ^ Warner 2002, p. 222.
  36. ^ Roskill 1998, p. 80.
  37. ^ a b Brodhurst 2001, p. 137.
  38. ^ a b Ellis 2004, p. 327.
  39. ^ Karslake 1979, pp. 264–267.
  40. ^ Karslake 1979, pp. 236–238.
  41. ^ Karslake 1979, p. xi.
  42. ^ Karslake 1979, pp. 238–239.
  43. ^ Karslake 1979, pp. 239–240.
  44. ^ Karslake 1979, pp. 240–241.
  45. ^ Richards 1974, pp. 149–150.
  46. ^ Terraine 1998, p. 161.
  47. ^ Ellis 2004, pp. 325–326.
  48. ^ Horne 1982, p. 649.


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