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The Bletchley Park Trust holds a unique collection of almost 250 German naval Enigma messages from the time of the Normandy landings launched on D-Day, 6 June 1944.
Below is a glossary of terms used in these messages.

11th U/B Flotilla

11th U-boat Flotilla. Based in Bergen, Norway.


1261

1261 Heeres Küsten Artillerie-Regiment (army coastal artillery regiment) controlled 10 batteries on the Normandy coast. Batteries were numbered 1/1261, 2/1261, etc.


2nd Defence Division

  1. Sicherungsdivision. Commanded harbour defence forces such as minesweepers and patrol boats on the Channel coast.

319th Infantry Division

German infantry division garrisoning the Channel Islands


3rd Defence Division

  1. Sicherungsdivision. Commanded harbour defence forces such as minesweepers and patrol boats on the Atlantic coast of France.

4th Defence Division

  1. Sicherungsdivision. Commanded harbour defence forces such as minesweepers and patrol boats on the Atlantic coast of France.

A/C

Aircraft


A/S

Anti-Ship


Admiral CHANNEL

Admiral Kanalküste (Admiral Channel Coast), Vizeadmiral Friedrich Rieve. Responsible for the ‘Seekos’ of Normandy, Seine-Somme, Pas de Calais and the Channel Islands. Headquartered in Rouen.


Admiral SKAGERRAK

Admiral responsible for strait between Denmark, Norway and Sweden.


A-Flotilla/A-Boats

Artillerieträger – coasters or barges carrying heavy artillery or anti-air weaponry. 6th Artillerieträger-Flotille was based partially at Isigny in Normandy.


ALDERNEY

Channel island


ARROMANCHES

Coastal town in centre of invasion area. Captured by 1st Hampshires from Gold Beach on the evening of D-Day. Later site of the Mulberry harbour named ‘Port Winston’.


ASNELLES

Village, part of Gold Beach


AUTHIE

Village near Caen.


AZEVILLE (ASERVILLE)

Village near Utah Beach; site of German coastal battery.


BARFLEUR

Port in NW corner of Cotentin


Battleship

Heavy warship


BAYEUX

Town inland from Gold and Juno beaches.


BÉNOUVILLE (BENOUVILLE)

Village on Caen canal; location of the only crossing of the Orne between Caen and the sea, the famous Pegasus Bridge captured by the Ox. and Bucks. Light Infantry on D-Day.


BERCK-SUR-MER (BERK-SUR-MER)

Port on Channel coast south of Boulogne.


BLAINVILLE

Village on Caen canal NE of Caen.


BLITZ-SPERREN

Naval minefield to be laid as the situation demanded.


BORCHERS

Kapitänleutnant Rolf Borchers.Commanded U-276 on D-Day. At that time was at Stavanger, Norway.


BORDEAUX

Port city in western France


BOSTON

British medium bomber aircraft.


BOULOGNE

Port city in northern France


BREST

Port city in Brittany


BRÉVILLE-SUR-MER (BREVILLE)

Port in western Normandy


CABOURG

Norman port just east of the invasion area in Seine bay.


CAEN

Main city in Normandy. D-Day objective, but ultimately not captured until 21 July. Bombed on D-Day, killing several thousand civilians.


CAP DE LA HAGUE

Cape at NW of Cotentin


CAP LÉVI (CAP LEVI)

Cape at NE of Cotentin


CARENTAN

Town 5 miles inland between Utah and Omaha beaches, which controlled road links between the two.


CHERBOURG

City at north end of Cotentin. Captured by American forces on 29 June.


COLLEVILLE

Village behind Omaha Beach.


COTENTIN PENINSULA

Region in NW Normandy. Utah Beach was located in the SE.


COUTANCES

Town in western Normandy.


Cruiser

Medium warship


DEAUVILLE

Norman port east of the invasion area in Seine bay.


Destroyer

Light warship


DIEPPE

Port in northern France; site of Dieppe raid in August 1942.


DIVES

River to east of invasion area.


ÉMONDEVILLE (EMOUDVILLE)

Village in Cotentin


FOIC Western Defences

Konteradmiral Erich Alfred Breuning. Befehlshaber der Sicherung West (Flag Officer in Charge Western Sea Defences). Headquartered in Paris.


FORTRESS

B-17. American heavy bomber.


FRESVILLE

Village in Cotentin


FUM/FUMO/FUMG/FUMB

German naval radar systems


G.A.F.

German Air Force


GATTEVILLE

Village at NE tip of Cotentin


GBT

Gunboat


GES

Naval mine system


GRANDCAMP

Village west of Omaha Beach


GRANVILLE

Port in western Normandy


Gruppe WEST

Admiral Theodor Krancke commanded Marinegruppenkommando West (Navy Group Command West), responsible for all German naval forces in France, headquartered in Paris.


GUERNSEY

Channel island


HEERESGRUPPE B

Army Group B. Responsible for German troops in northern France. Commanded by Field Marshal Erwin Rommel.


HOFFMANN

Korvettenkapitän Heinrich Hoffmann. Commanded 5th Torpedoboot Flotille based in Le Havre, which attacked ‘S Force’ – part of the Eastern Task Force of the Allied fleet of the Allied fleet – around 05.40 and sank the Norwegian destroyer HNoMS Svenner. Hoffmann continued to lead attacks on the Allied fleet over the following days.


ISIGNY-SUR-MER

Town between Utah and Omaha beaches.


ISLE OF WIGHT

Island of south coast of England.


IXth FLIEGERKORPS

Corps of the German Air Force fielding long-range bombers based in Coulommiers in northern France.


KARL

German naval officer, probably in 6. Artillerieträger-Flotille and based in St. Vaast.


Karl Galster

German destroyer.


KMA

Naval mine system


LA MADELEINE

Norman village close to UTAH Beach


LA PERNELLE

Village in NE Cotentin


LA ROCHELLE

Port city in western France


LE HAVRE

Port city on Seine bay, to east of invasion area


LE PORT BREHAY

Village in Cotentin


LES CASQUETS

Fortified island off Alderney


LEUCHTFÄCHER

Literally ‘light fans’ – an illuminating flare.


LIBERATOR

B-24. American heavy bomber.


LIGHTNING

P-38. American heavy fighter aircraft


LONGUES-SUR-MER

Village in centre of invasion area; site of German coastal battery


M/S

Minesweeper or Minensuchboote


MANNEVILLE

Village in the Cotentin


MARCOUF

The Marcouf battery, commanded Kapitän Sur Zee Walter Ohmsen. Also known as the Crisbecq battery. On D-Day its garrison was around 400 men, and its main armament was three 210mm guns.The battery came under sustained bombardment in the days before and during the landings, losing two of its three guns on D-Day. Ohmsen was recommended for the Iron Cross by Hennecke on the evening of D-Day. His men repelled American attacks on 7th and 8th June, during which Ohmsen was wounded in the hand, and broke out to the German lines on 11th. On 29th Ohmsen was captured when the garrison of Cherbourg surrendered.


MARCOUF ISLAND(S)

Fortified islands off the Normandy coast near Utah Beach. The first French territory to be liberated from the sea. Captured early on D-Day by 132 troops of US 4th Cavalry; although unopposed, 19 casualties were lost to mines.


M-Boats

Minensuchboote – mine-sweepers. Larger than R-boats.


MONTEBOURG

Town in Cotentin.


MORSALINES

Village in NE Cotentin. The lighthouse here was demolished late on D-Day as it was feared Allied ships were using it as an aiming point.


MOSQUITO

British fighter-bomber aircraft


NAU

Kapitänleutnant Herbert Nau, commanding 10. Räumbootsflotille based in Ouistreham.


NAU

Mine-laying ship


NOIC

Naval Officer In Command


ORNE

River in eastern Normandy. Along with the Caen Canal it formed the left flank of the beachhead.


OSTEND

Belgian port


OUISTREHAM

Port north of Caen at the mouth of the Orne. Site of Sword Beach.


PALMGREN

Fregattenkapitän Palmgren. Commanded 38. Minensuchflotille.


PAS DE CALAIS

Part of NE France closest to England. Hitler and most of his generals believed this would be the site of Allied landings, as it was heavily fortified as a result.


PERCEE

Pointe et Raz de la Percée. Headland just west of Omaha Beach; site of German naval radar installation.


 PONT DU HOE

Pointe du Hoc. Headland west of Omaha Beach and site of German battery. Famously captured on D-Day by US Army Rangers who scaled the cliffs with ropes and ladders, only to find the guns they were tasked with destroying had been moved. The Germans counterattacked heavily and the Rangers were only relieved on the morning of 8th June.


PORT EN BESSIN

Port between Omaha and Gold beaches. Liberated on 8th June by 47 Royal Marine Commando.


PORTLAND BILL

Promontory on south coast of England.


QUINEVILLE

Village in the Cotentin north of Utah Beach.


RALL

Korvettenkapitän Viktor Rall. Commanded 15th Vorpostenflotille, which consisted mostly of adapted whalers used for harbour defence work and patrolling. His D-Day messages describe engaging ‘S Force’ – part of the Eastern Task Force of the Allied fleet – and the loss of V-1509, either to a shell from HMS Warspite or a mine.


RAVENOVILLE

Village in the Cotentin NW of Utah Beach.


R-Boats

Räumboote. Small vessels equivalent to British ‘motor launches’, used for minesweeping, minelaying, patrolling, convoy escort and air-see rescue.


ROYAN

Port in western France.


SAINTE-MÈRE-ÉGLISE (ST. MERE EGLISE)

Town in Cotentin peninsula centred on the US Airborne landing zones. Secured on morning of D-Day and defended from counterattacks until 7th June when troops from Utah Beach arrived.


SCHAD

Kapitänleutnant Friedrich Schad. Commanded 6. Artillerieträgerflotille


SCHUNK

Oberleutnant zur See
Hans-Norbert Schunck.
Commanded U-348 on D-Day. At that time was on patrol from Bergen, Norway


Seeko BRITTANY

Kommandant der Seeverteidigung (Sea Defence Commander). Admiral responsible for coastal defence of Brittany.


Seeko CHANNEL ISLANDS

Kommandant der Seeverteidigung (Sea Defence Commander). Admiral responsible for coastal defence of the Channel Islands.


Seeko NORMANDY

Konteradmiral Walter Hennecke. Kommandant der Seeverteidigung (Sea Defence Commander) Normandy on D-Day. Responsible for naval defences between Brittany and the river Seine. Headquartered in Cherbourg, where he was taken prisoner on 29th June.


Seeko SEINE-SOMME

Kommandant der Seeverteidigung (Sea Defence Commander). Admiral responsible for coastal defence of the Seine-Somme region.


SEINE

River in northern France running through Paris and reaching the sea at Le Havre. The Normandy landings took place in the bay of the Seine.


S-Flotilla/S-Boats

Schnellboote­ ­­– torpedo boats known by the British as ‘E-Boats’.


S.O.

Senior Officer


SOMMER

German naval commander.


ST. LO

City in Normandy. Site of heavy fighting in June-July 1944 which left some 95% of the city in ruins.


ST. MALO

Port in Brittany.


ST. MARCOUF

Village in the Cotentin; site of German gun battery commanded by Walter Ohmsen.


ST. MARTIN DE VARREVILLE

Village in the Cotentin close to Utah Beach.


ST. PIERRE EGLISE

Village in northern Cotentin.


ST. VAAST

Port in NE Cotentin.


ST-VALERY-EN-CAUX

Port in northern France.


T/P

Teleprinter


THEVILLE

Village in northern Cotentin. Site of airfield.


THUNDERBOLT

American fighter-bomber aircraft.


TODT organisation

German paramilitary organisation involved in building coastal fortifications.


TOI

Time of Intercept – time given in GMT and starting at 00.58 (GMT+1/British Summer Time), the times the messages would have originally been intercepted at Bletchley Park on 6 June 1944.


TRONDHEIM

Port city in Norway.


TROUVILLE

Port east of invasion area.


TURQUEVILLE

Village in the Cotentin between St-Mère-Église and Utah Beach.


TYPHOON

British fighter-bomber aircraft.


VER-SUR-MER

Village just inland of Gold Beach.


VIERVILLE

Village just inland of Omaha Beach.


VIRE

River in western Normandy which met the sea between Utah and Omaha beaches.


WINTER

German naval commander.


WN

Widerstandsnest (‘resistance nest’). Coastal fortress with gun emplacements, trenches, bunkers etc providing all-round defence.


WOLDMANN

German naval commander.


W/T

Wireless telegraphy


ZEEBRUGGE

Belgian port city.


Z-Flotilla

Zerstörer (destroyer) flotilla. 8th Z-Flotilla was based in western France. On D-Day the flotilla was ordered to proceed to Brest to prepare for operations against the Allied fleet. On the night of 8/9 June two ships were lost in the Battle of Ushant.


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