StP Va300 Plouharnel M.K.B.Hella E.673

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Marine Artillerie Abteilung 4./264
1 x S487 Fire control post.
4 x SK/Gefechsstand, Geschützstellung. S215 large open emplacements with two ammunition stores.
1 x V229 radar socket for a Würzburg-Riese.
1 x R118b large dressing station (hospital).
3 x Fl242 standard emplacement for medium/light Flak.
2 x S231 ammunition depot.
2 x S381 ammunition depot.
4 x SK/Machinenstand (generator bunkers).
12 x SK/Marine (36 Mann bunker).
1 x SK/Marine (6 Mann bunker)
8 x Flakstellung.
10 x Vf58c Tobruk's.
2 x VF/MG Stand.
1 x 5cm KwK Ringstand.
1 x Gr.W mortar.
1 x Geschützstellung Lag, casemate for field gun.
1 x Feldm bunker.
3 x 34cm K.W.E. 674(f) railway guns. (340mm St-Chamond).
3 x 2cm Flak 28.
1 x 15mm Flak MG.151 Zw.
4 x 2cm Flak Vierl 38.
1 x 5cm KwK38.
8 x 7.5cm Flak M17/34(f).

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Ammunition handling.

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Railway gun.

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Plan of a breach block of a 30cm gun.

StP Va300 Plouharnel M.K.B.Hella E.673

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StP Va300 Plouharnel M.K.B.Hella E.673

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StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Square 3 showing where the Fire Control Post S487, Command Post, V229 and its Würzburg fire control radar and two Tobruks.

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StP Va300 Plouharnel M.K.B.Hella E.673

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Carte IGN

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StP Va300 Plouharnel M.K.B.Hella E.673

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Lorient harbour was chosen by the Kriegsmarine as a large U-Boat base very early on after the area was captured in 1940. Work started on the pens and also a scheme to defend the pens from attack by an allied fleet. Large guns were placed on the Île de Groix and the Quiberon peninsular with smaller batteries laid out closer inland. These batteries were owned and run by he Kriegsmarine, the German Navy. Quiberon they decided was ideal for railway guns, super heavy weapons that could be moved around on large carriages. Four guns were procured, captured French 34cm guns and the German Navy had them placed on railway mountings. Quiberon has excellent railway links with the mainland and ultimately Germany and the site was cleared and four Bh 47 a M type emplacements (Geschützstellung) were built. Slightly redesigned from the original Bh 47 a M type with each having a direct railway siding to each position coming off the main line.

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Heavy batterie positions around Lorient U-boat pens.

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Rail links.

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S215 plan.

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34cm Mle 1912 L47 French railway gun.

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Breach block.

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Loading a shell.

StP Va300 Plouharnel M.K.B.Hella E.673

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probably a very early numbering

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StP Va300 Plouharnel M.K.B.Hella E.673

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The German military map of the area.

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Marines.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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This is where we are aiming to walk.

StP Va300 Plouharnel M.K.B.Hella E.673

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Site plan of Site No.2 the walk along the ridge.

StP Va300 Plouharnel M.K.B.Hella E.673

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Geo 1953

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Vf58c Tobruk.
We now start at the Tobruk near the S487.

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Plan.

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Vf58c Tobruk plan.

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Tobruk.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Vf58c Tobruk the views across the site to Turm1.

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Tobruk elevation.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Vf58c Tobruk.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
The steel bars sticking out of the walls was to hold camouflage nets to hide this monster but also to hide a shadow that the tower would form. From a shadow the RAF photo interpreters could have easily worked out its height and size.

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Plan.

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Plan of an S487 Fire Control Post.

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This is the S497 Fire Control Tower at Ro429 Karola, Ile de Ré showing how a camouflage net can be used on such a large tower.

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StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.

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Plan of an S487 Fire Control Post.

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Plan of an S487 Fire Control Post ground floor.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.

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Plotting room.

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Passage way.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
At the top a 360° view around the range finder, below the observation room. The steel tank is in fact another observation using steel plate

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The top three floors. The lower 'Observation' is standard and here at StPStP Va300

A plan of the observation all in ships steel plate.

Observation.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
D-Day 6th June 1944 sees the allies land in Normandy, 15th August 1944 another landing in the South of France. By August 1944 the Americans reach Vannes, the Germans decide to defend the area of the Lorient Pocket. With the help of the F.F.I. (French Forces of the Interior). They are used as extra Infantry and also observation. They use houses in Plouharnel to observe the batterie. The tree guns are lowered and turned towards the French. To load the guns they need to be lowered to -8°. The American artillery fire thousands of rounds onto Begot and the main picture is proof the damage done.

Communications.

Lookout.

FCP observation.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
Rear machine gun defence embrasure.

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Plan of an S487 Fire Control Post.

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M.G.34.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
This looks like a Sherman 3'' armoured piercing shell.

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Sherman tank.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
Rear machine gun defence embrasure.

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Plan of an S487 Fire Control Post.

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M.G.34.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013 -------------- 26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
The entrance half bricked up and the Close combat defence embrasure.

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Plan.

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Close combat defence.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
I had to climb over the wall to get in.

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Plan.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
The above door frame is for a thin steel sheet gas tight 19P7 door.

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Plan.

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How it may have looked.

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19P7 door.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
Mark on the wall showing where the steel stair case was.

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Funkraum.

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Office.

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Store.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.

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Plan.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
This may have been a heavier door a 434P01.

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434P01.

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434P01.

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Marine looking at a map.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
Fresh air pipes to draw in air from outside, pass it through filters and then pump it out under pressure throughout the bunker. With the air inside at a slightly higher pressure, any gas outside could not get into the bunker. The only problem with over pressurising bunkers was that the air passing out of close combat defences and other apertures. It made it so cold that in some they almost froze in the winter.

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There would have been a room .

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Two of the filters.

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German soldiers gas mask.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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S487 Fire Control Post.
434PO1 door would be here, a heavily armoured door in two parts. Bottom and top. This meant that if rubble obstructed the opening of the door, the top can open and you can climb out. Something I have done many times entering and leaving bunkers. The top door has a slot with a sliding cover where you can look out at who wants to come in or stick a sub machine gun out and fire at any enemy trying to get in.

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Plan.

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434PO1 door.

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434PO1 door.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Right - S487 Fire Control Post.
Left - Command Post.



All information coming from the Fire Control Tower would come into the Command Post. Then target information would be sent out to the four (on three were used) guns. The guns would then load their guns with the correct shell and powder charge (upping the powder charge means a greater range of the gun), then raising the barrel and turning the gun in the correct direction. The guns would then tell the CP that they were all ready and then the order would be sent from the CP to the guns.

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CP plan.

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Powder charge entering the barrel..

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Bang.

StP Va300 Plouharnel M.K.B.Hella E.673

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26 October 2006

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Command Post.
The lump sticking out is the entrance to the bunker on this side, the three vents are for the anti gas and probably a form of air conditioning. There is another vent to the right.

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Command post plan.

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Telephones.

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StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

Details

Command Post.
The air vents I think 200mm and 100mm type.

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Plan.

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Rost 200mm vent.

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Rost 150mm vent.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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V229.
Base for a Würzburg See Riese Fu.MO214 fire control radar that was ordered for here but by September 1944 had not turned up.
The radar to could track ships at sea and direct the fire of the guns just like the fire Control Tower would do but it could do it in the dark and in fog.
Since WW2 the V229 base has been used by the French as an armoured sentry post for the artillery range.

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Plan.

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Würzburg See Riese Fu.MO214 fire control radar..

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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V229.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Vf58c Tobruk.

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Plan.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

Details

Vf58c Tobruk.

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Vf58c Tobruk.

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Vf58c Tobruk.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Vf58c Tobruk.

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Tobruk.

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Vf58c Tobruk.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Long trench line..

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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Bits and pieces that we came across.

StP Va300 Plouharnel M.K.B.Hella E.673

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28 August 2013

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StP Va300 Plouharnel M.K.B.Hella E.673 Area 3

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That concludes Area 3.Click here to go back toStP Va300 Plouharnel M.K.B.Hella E.673 Menu