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| Saint-Nazaire Pocket | |||||||
|---|---|---|---|---|---|---|---|
| Part of theLiberation of France | |||||||
 Monument to the surrender,Bouvron | |||||||
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| Belligerents | |||||||
 Germany |  United States France | ||||||
| Commanders and leaders | |||||||
| Hans JunckHans Mirow | Harry J. Malony, thenHerman Frederick Kramer ColonelRaymond Chomel | ||||||
| Units involved | |||||||
FFI andFTP becoming25th Infantry Division (France) | |||||||
| Strength | |||||||
| 28,000 men | 9,000 men[1] 16,500 men/18,000 men[1] | ||||||
| Casualties and losses | |||||||
| Unknown | United States:
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 | |||||||
TheSaint-Nazaire Pocket (German:Festung St. Nazaire,French:Poche de Saint-Nazaire) was anAtlantic pocket that existed from August 1944 until 11 May 1945 and was formed by the withdrawal of German troops from Loire-Inférieure (nowLoire-Atlantique) during the liberation of the department by the allied forces. It was centred around the port and the submarine base ofSaint-Nazaire and extended to the east as far asSaint-Omer-de-Blain and fromLa Roche-Bernard in the north toPornic in the south.
After thebattle of Normandy andOperation Cobra, the Allies quickly liberated the west of France during the first fortnight of August 1944 (Rennes on 6 August,Nantes on the 12th,Rezé on the 29th). Pockets of resistance however formed as German troops withdrew to theAtlantic coastal ports ofBrest,Lorient,Saint-Nazaire,La Rochelle andRoyan.
The Germans wanted to retain these strategic areas and declared them "fortresses" (German:Festung). On 31 July 1944, Hitler ordered his GeneralsJodl andWarlimont to "defend them to the last man".[2] The hope was that these could once again become significant footholds on the Atlantic in the event that the secret weapons (Wunderwaffe) would be developed in time to turn the war back in the Reich's favour.
Also denying the Allies these deep-water ports would hamper operations following the Normandy campaign. The Allies also favoured a mainly eastward advance of the offensive towards Germany. They however left troops to protect the edges of these pockets, assisted by the French army and by battalions of theFrench Forces of the Interior (FFI) andFrancs-Tireurs et Partisans (FTP).
TheBrest pocket fell on 18 September 1944 after hard fighting, the other four lasted until the surrender of the 8 May 1945, or shortly thereafter.
This particular pocket centered on the town and fortified submarine base of Saint-Nazaire but spread out further. North of theLoire, the front line followed the left bank of theVilaine river, then theIsac (theNantes-Brest canal), as far as the part ofBlain west of the canal; it then descended south-west toCordemais, passing betweenBouvron,Fay-de-Bretagne andLe Temple-de-Bretagne. South of the Loire, it included the municipalities ofFrossay,Saint-Viaud,Paimbœuf,Arthon-en-Retz (La Sicaudais),Saint-Père-en-Retz,Saint-Brevin-les-Pins,Saint-Michel-Chef-Chef,La Plaine-sur-Mer,Préfailles,Sainte-Marie-sur-Mer andPornic. The coastal defensive sector of the pocket stretched over approximately 50 kilometres (31 miles) of coastline.[3]
The Germans set up artillery batteries to defend the mouth of the Loire:
In total, the Germans had 700 guns of all kinds (fixed, mobile and anti-aircraft), with a higher density around the submarine base, the port facilities and the airfield.[5]
Closer to Saint-Nazaire, there was a belt of anti-tank ditches. The perimeter started from Fort de l'Ève, then north, crossing Marsac, Trignac, then along theGrande Brière marshes, Montoir-de-Bretagne until reaching the estuary coast atDonges. South of the Loire, the belt described a circle fromPaimboeuf to the south of Saint-Brevin.[6]
Altogether it is estimated that this pocket fortress had 28,000 German soldiers commanded by Aviation GeneralHans Junck [de]. The submarine base remained under the command of AdmiralHans Mirow [de].
The isolation of the German forces was mainly entrusted to the units of the French Resistance:
The pocket also contained nearly 130,000 civilians. By October 1944, a large number of them (women and children) were allowed to leave the pocket, easing pressure on the Germans to feed them.
Other convoys were subsequently organized by theRed Cross.
Trains left the pocket near Cordemais. A temporary truce was observed between the belligerents during their journey. The refugees, once in Allied controlled Nantes, were subject to a questioning at the premises of theLycée Georges Clemenceau, partly occupied by the American army.
Other inhabitants left the pocket by their own means, in particular on its eastern and southern limits: for example, some of the inhabitants of Fession (Saint-Omer-de-Blain) left their farms, under constant American mortar fire at the end of November 1944, and went east through the mined lines.
Between November 1944 and February 1945, the Germans gradually evacuated the surroundings of the eastern front of (Fession and Saint-Gabriel in Saint-Omer, other localities in Bouvron and Fay-de-Bretagne); where inhabitants were invited to fall back inside the pocket or to leave on trains organised by the Red Cross.
The details of these evacuations are detailed by Father François du Plessis de Grenédan (1921–2013),Sulpician priest, son of the commander of the airship Dixmude, a chaplain of the FTP and FFI maquisards of the Saint-Nazaire Pocket (south, then north), worker-priest, in an interview book in 2007.
Faced with fierce German resistance during the assault on Brest, theAllied High Command decided not to attempt a similar assault on Saint-Nazaire.
After several raids launched in September and October against the FFI troops on the other side of the Vilaine river, the Germans carried out a new attack in the eastern sector at the beginning of November.[8]
Apart from a small landing made in December at thePointe de Pen Lan [fr] inMorbihan, the most important operations were carried out in thePays de Retz in the South Loire, where stretches of fertile land were useful for supplies.[8]
The Germans seizedFrossay in October and at the end of December, following heavy fighting, the village of La Sicaudais. They were opposed by the 2nd Battalion FFI who ceded a stretch of nearly 100 km2. The front stabilized thanks to the intervention of the8th Cuirassier Regiment [fr][9]
The Americans, for their part, dislodged the Germans from theGâvre forest [fr], forcing them to return to the other side of the Nantes to Brest canal and seized the town of Blain.[10]
In February 1945, thanks to secret agents inside the pocket fortress, the Resistance warned the Allies of an imminent German attack near the Nantes-Brest canal.[10]
During the month of March, American artillery managed to sink several cargo ships which had shuttled between the pocket fortresses of Lorient and Saint-Nazaire, thus increasing supply problems for the Germans.[1]
In April, the Germans redoubled their aggression and constantly harassed the Allied positions with their artillery. On 19 April skirmishes occurred between three Franco-American patrols and the Germans causing three deaths and more than twenty wounded (and the loss of three tanks) on the Allied side and the loss of 33 men (dead or wounded) on the German side (by this time, on the Western front, Anglo-American troops had already largely invaded Germany and reached the Elbe).[11]
A prominent researcher, Rémy Desquesnes estimates the overall losses on the Allied side at 500 killed, wounded or prisoners.[12]
After the signing of the overall German surrender in Reims on 7 May 1945, the German command in Saint-Nazaire began negotiations with the French about the surrender of the city, seeking guarantees about the treatment of prisoners and threatening to sabotage the port if an agreement could not be not reached. The signing of the pocket surrender agreement took place in the house of Francis Moisan, at a place called "Les Sables" in Cordemais on 8 May 1945 .
The fighting was supposed to end from 00:1 9 May 1945. The German command however refused to surrender the city to French troops. In the southern sector of the "pocket", hostilities continued until the morning of 11 May 1945. The final surrender ceremony took place at noon that day at the Grand Clos racecourse in Bouvron. During this ceremony, General Hans Junck handed his weapon to the American GeneralHerman F. Kramer in the presence of General Chomel, the prefect of Loire-Inférieure, Alexandre Vincent, and French and American detachments.[13] The German command did not give the order for the destruction of port facilities and the sinking of ships remaining in the harbour of Saint-Nazaire.
A monument in the shape of a Lorraine cross was erected in 1949 in Bouvron to commemorate the signing of the surrender.
The Grand Blockhaus of Batz-sur-Mer has housed the museum of the Saint-Nazaire pocket since opening in 1997.[14] In 2019, the museum has collaborated on the production ofThe Fortress of Saint-Nazaire, the first documentary retracing the full history of the Saint-Nazaire Pocket.
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