Wednesday, April 29, 2020
Atlantikwall Regelbau L487 Bertha - Night Fighter Bunker for Luftwaffe ...
Atlantikwall Regelbau L487 Bertha - Commando Bunker for Luftwaffe Night-fighter From World War 2.
Bunker L487 is a ww2 German bunker for radio measurement device evaluation for night fighter control "Bertha" in English.
The Bunker L487 communications is 22.10 meters long, 22.90 meters wide and 8.60 meters high and has two floors.
A night fighter (also known as all-weather fighter or all-weather interceptor for a period of time after World War II) is a fighter aircraft adapted for use at night or in other times of bad visibility. Night fighters began to be used in World War I and included types that were specifically modified to operate at night.
During World War II, night fighters were either purpose-built night fighter designs, or more commonly, heavy fighters or light bombers adapted for the mission, often employing radar or other systems for providing some sort of detection capability in low visibility. Many WW II night fighters also included instrument landing systems for landing at night, as turning on the runway lights made runways into an easy target for opposing intruders. Some experiments tested the use of day fighters on night missions, but these tended to work only under very favorable circumstances and were not widely successful.
Avionics systems were greatly miniaturized over time, allowing the addition of radar altimeter, terrain-following radar, improved instrument landing system, microwave landing system, Doppler weather radar, LORAN receivers, GEE, TACAN, inertial navigation system, GPS, and GNSS in aircraft. The addition of greatly improved landing and navigation equipment combined with radar led to the use of the term all-weather fighter or all-weather fighter attack, depending on the aircraft capabilities. The use of the term night fighter gradually faded away as a result of these improvements making the vast majority of fighters capable of night operation.
Atlantikwall Regelbau L487 Bertha - Night Fighter Bunker for Luftwaffe ...
Atlantikwall Regelbau L487 Bertha - Commando Bunker for Luftwaffe Night-fighter From World War 2.
Bunker L487 is a ww2 German bunker for radio measurement device evaluation for night fighter control "Bertha" in English.
The Bunker L487 communications is 22.10 meters long, 22.90 meters wide and 8.60 meters high and has two floors.
A night fighter (also known as all-weather fighter or all-weather interceptor for a period of time after World War II) is a fighter aircraft adapted for use at night or in other times of bad visibility. Night fighters began to be used in World War I and included types that were specifically modified to operate at night.
During World War II, night fighters were either purpose-built night fighter designs, or more commonly, heavy fighters or light bombers adapted for the mission, often employing radar or other systems for providing some sort of detection capability in low visibility. Many WW II night fighters also included instrument landing systems for landing at night, as turning on the runway lights made runways into an easy target for opposing intruders. Some experiments tested the use of day fighters on night missions, but these tended to work only under very favorable circumstances and were not widely successful.
Avionics systems were greatly miniaturized over time, allowing the addition of radar altimeter, terrain-following radar, improved instrument landing system, microwave landing system, Doppler weather radar, LORAN receivers, GEE, TACAN, inertial navigation system, GPS, and GNSS in aircraft. The addition of greatly improved landing and navigation equipment combined with radar led to the use of the term all-weather fighter or all-weather fighter attack, depending on the aircraft capabilities. The use of the term night fighter gradually faded away as a result of these improvements making the vast majority of fighters capable of night operation.
Tuesday, April 28, 2020
Atlantikwall Regelbau 666 - Bunker for Infantry Observation Post with Sm...
Atlantikwall Regelbau 666 bunker Type is Infantry observation post (Beobachtungsstände) with small turret from the second world war,
the iron turret have be removed, blasted the turret off.
the iron turret have be removed, blasted the turret off.
Atlantikwall Regelbau 666 - Bunker for Infantry Observation Post with Sm...
Atlantikwall Regelbau 666 bunker Type is Infantry observation post (Beobachtungsstände) with small turret from the second world war,
the iron turret have be removed, blasted the turret off.
the iron turret have be removed, blasted the turret off.
Atlantikwall Regelbau S174 - Heavy Ammunition depot Bunker for 38/40,6cm...
Atlantikwall Regelbau S174 is a Heavy Ammunition depot Bunker for 38/40,6cm battery also known as Ammunition Bunker (Unterstände für Munition).
This bunker Type was designed by the Kriegsmarine for 'German Navy'.
This bunker Type is part of the Regelbau program in the second world war.
how is a Regelbau
Before and during World War II, the Wehrmacht built several standardised bunkers and weapon positions in Germany and German-occupied countries. These buildings were called Regelbau, i.e. standardised buildings.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
Following the occupation of German territories west of the Rhine, fortress engineers began the construction of the Siegfried Line in 1936. In doing so they were able to benefit from their earlier experience of bunker construction. In compliance with the Versailles Treaty, they had already built the Wetterau-Main-Tauber position and Neckar-Enz position before 1936. When, in 1936, construction started on the Siegfried Line itself, they were able at the outset to utilize designs from the two earlier fortifications. From these existing plans, fortress pioneers rapidly developed improved bunkers that were built from 1937. This building phase was named the Engineer Construction Programme and was characterized by bunkers built to B1 standard thicknesses (see above). Since the thickness of these structures was soon considered to be too weak and because there was a large number Regelbau designs (and hence confusion), new types were developed and implemented from 1938. These new designs were achieved largely by simplifying and reducing the number of Regelbau types. This new building phase was called the Limes Programme.
Development of Regelbau designs from 1936 to 1940
The fortress engineers were no longer in charge of construction; instead Organization Todt (OT) took over, promising Hitler it would deliver the number of structures he wanted. Plans for the Limes Programme did not envisage the inclusion of the cities of Aachen and Saarbrücken and they therefore ended up in front of the planned line of fortifications. That changed in 1939 with the Aachen-Saar Programme. From 1939, yet more new Regelbau bunkers were designed for the construction programme that saw increases in the construction thicknesses. From then on, only bunkers that met the in "B new" and "A" standards were to be built. With the outbreak of the Second World War on 1 September 1939, priorities for the construction of the Siegfried Line changed. The renewed shortage of raw materials led to the development of a new series of Regelbau designs, the so-called wartime standard designs or Kriegsregelbauten. After the "lavish" Regelbauten of the Aachen-Saar Programme, the final construction phase was dominated by massive financial constraints. For example, observation cupolas and flank firing positions were no longer provided and the rooms were smaller.
Expansion of construction projects from 1941 to 1944
In 1940 work was ordered on a number of construction projects in Western Europe. Amongst the first were the Dover Strait guns begun in July 1940 and included Todt Battery. Building began in February 1941 on the Saint-Nazaire submarine base Following the first effective commando raid in March 1941 Operation Claymore and with the planning of Operation Barbarossa, Hitler decided in June 1941 to strengthen the west against possible attacks. The Channel Islands were chosen to become major fortifications, followed in 1942 with the order to build the Atlantic Wall.
A mass of equipment was needed, cement, sand, gravel and steel to construct the concrete fortifications, weapons and armour plate for defence and hundreds of thousands of workers. To offset shortages, equipment from French and other occupied armies were incorporated in the defences, casemates designed for non-german artillery, anti tank and machine guns and the use of turrets from obsolete tanks in tobrukstand pill boxes (tobruk pits).
The labour came from an expansion of the Organisation Todt, who contracted with building construction companies from Germany and occupied countries to undertake the work. The OT provided them with equipment, supervisors and labour. Labour comprised skilled volunteers, engineers, designers and supervisors, who were paid and treated well, second came volunteer workers, often skilled technicians, such as carpenters, plumbers, electricians and metal workers, again these workers were paid, took holidays and were well treated. Next came unskilled forced labour, paid very little and treated quite harshly, lastly came effective slave labour, paid so little, badly fed and treated very harshly.
This bunker Type was designed by the Kriegsmarine for 'German Navy'.
This bunker Type is part of the Regelbau program in the second world war.
how is a Regelbau
Before and during World War II, the Wehrmacht built several standardised bunkers and weapon positions in Germany and German-occupied countries. These buildings were called Regelbau, i.e. standardised buildings.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
Following the occupation of German territories west of the Rhine, fortress engineers began the construction of the Siegfried Line in 1936. In doing so they were able to benefit from their earlier experience of bunker construction. In compliance with the Versailles Treaty, they had already built the Wetterau-Main-Tauber position and Neckar-Enz position before 1936. When, in 1936, construction started on the Siegfried Line itself, they were able at the outset to utilize designs from the two earlier fortifications. From these existing plans, fortress pioneers rapidly developed improved bunkers that were built from 1937. This building phase was named the Engineer Construction Programme and was characterized by bunkers built to B1 standard thicknesses (see above). Since the thickness of these structures was soon considered to be too weak and because there was a large number Regelbau designs (and hence confusion), new types were developed and implemented from 1938. These new designs were achieved largely by simplifying and reducing the number of Regelbau types. This new building phase was called the Limes Programme.
Development of Regelbau designs from 1936 to 1940
The fortress engineers were no longer in charge of construction; instead Organization Todt (OT) took over, promising Hitler it would deliver the number of structures he wanted. Plans for the Limes Programme did not envisage the inclusion of the cities of Aachen and Saarbrücken and they therefore ended up in front of the planned line of fortifications. That changed in 1939 with the Aachen-Saar Programme. From 1939, yet more new Regelbau bunkers were designed for the construction programme that saw increases in the construction thicknesses. From then on, only bunkers that met the in "B new" and "A" standards were to be built. With the outbreak of the Second World War on 1 September 1939, priorities for the construction of the Siegfried Line changed. The renewed shortage of raw materials led to the development of a new series of Regelbau designs, the so-called wartime standard designs or Kriegsregelbauten. After the "lavish" Regelbauten of the Aachen-Saar Programme, the final construction phase was dominated by massive financial constraints. For example, observation cupolas and flank firing positions were no longer provided and the rooms were smaller.
Expansion of construction projects from 1941 to 1944
In 1940 work was ordered on a number of construction projects in Western Europe. Amongst the first were the Dover Strait guns begun in July 1940 and included Todt Battery. Building began in February 1941 on the Saint-Nazaire submarine base Following the first effective commando raid in March 1941 Operation Claymore and with the planning of Operation Barbarossa, Hitler decided in June 1941 to strengthen the west against possible attacks. The Channel Islands were chosen to become major fortifications, followed in 1942 with the order to build the Atlantic Wall.
A mass of equipment was needed, cement, sand, gravel and steel to construct the concrete fortifications, weapons and armour plate for defence and hundreds of thousands of workers. To offset shortages, equipment from French and other occupied armies were incorporated in the defences, casemates designed for non-german artillery, anti tank and machine guns and the use of turrets from obsolete tanks in tobrukstand pill boxes (tobruk pits).
The labour came from an expansion of the Organisation Todt, who contracted with building construction companies from Germany and occupied countries to undertake the work. The OT provided them with equipment, supervisors and labour. Labour comprised skilled volunteers, engineers, designers and supervisors, who were paid and treated well, second came volunteer workers, often skilled technicians, such as carpenters, plumbers, electricians and metal workers, again these workers were paid, took holidays and were well treated. Next came unskilled forced labour, paid very little and treated quite harshly, lastly came effective slave labour, paid so little, badly fed and treated very harshly.
Atlantikwall Regelbau Fl246 - Ammunition depot for heavy Flak Battery - ...
Atlantikwall Regelbau Fl246 - Ammunition depot for heavy Flak Battery - also known as Ammunition Bunker (Unterstände für Munition).
Using the new Insta360 ONE R Twin Edition 360 camera.
more info about this bunker
after the Second World War this bunker was blown up.
This bunker Type was designed by the Kriegsmarine for 'German Navy'.
This bunker Type is part of the Regelbau program in the second world war.
how is a Regelbau
Before and during World War II, the Wehrmacht built several standardised bunkers and weapon positions in Germany and German-occupied countries. These buildings were called Regelbau, i.e. standardised buildings.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
Following the occupation of German territories west of the Rhine, fortress engineers began the construction of the Siegfried Line in 1936. In doing so they were able to benefit from their earlier experience of bunker construction. In compliance with the Versailles Treaty, they had already built the Wetterau-Main-Tauber position and Neckar-Enz position before 1936. When, in 1936, construction started on the Siegfried Line itself, they were able at the outset to utilize designs from the two earlier fortifications. From these existing plans, fortress pioneers rapidly developed improved bunkers that were built from 1937. This building phase was named the Engineer Construction Programme and was characterized by bunkers built to B1 standard thicknesses (see above). Since the thickness of these structures was soon considered to be too weak and because there was a large number Regelbau designs (and hence confusion), new types were developed and implemented from 1938. These new designs were achieved largely by simplifying and reducing the number of Regelbau types. This new building phase was called the Limes Programme.
Development of Regelbau designs from 1936 to 1940
The fortress engineers were no longer in charge of construction; instead Organization Todt (OT) took over, promising Hitler it would deliver the number of structures he wanted. Plans for the Limes Programme did not envisage the inclusion of the cities of Aachen and Saarbrücken and they therefore ended up in front of the planned line of fortifications. That changed in 1939 with the Aachen-Saar Programme. From 1939, yet more new Regelbau bunkers were designed for the construction programme that saw increases in the construction thicknesses. From then on, only bunkers that met the in "B new" and "A" standards were to be built. With the outbreak of the Second World War on 1 September 1939, priorities for the construction of the Siegfried Line changed. The renewed shortage of raw materials led to the development of a new series of Regelbau designs, the so-called wartime standard designs or Kriegsregelbauten. After the "lavish" Regelbauten of the Aachen-Saar Programme, the final construction phase was dominated by massive financial constraints. For example, observation cupolas and flank firing positions were no longer provided and the rooms were smaller.
Using the new Insta360 ONE R Twin Edition 360 camera.
more info about this bunker
after the Second World War this bunker was blown up.
This bunker Type was designed by the Kriegsmarine for 'German Navy'.
This bunker Type is part of the Regelbau program in the second world war.
how is a Regelbau
Before and during World War II, the Wehrmacht built several standardised bunkers and weapon positions in Germany and German-occupied countries. These buildings were called Regelbau, i.e. standardised buildings.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
Following the occupation of German territories west of the Rhine, fortress engineers began the construction of the Siegfried Line in 1936. In doing so they were able to benefit from their earlier experience of bunker construction. In compliance with the Versailles Treaty, they had already built the Wetterau-Main-Tauber position and Neckar-Enz position before 1936. When, in 1936, construction started on the Siegfried Line itself, they were able at the outset to utilize designs from the two earlier fortifications. From these existing plans, fortress pioneers rapidly developed improved bunkers that were built from 1937. This building phase was named the Engineer Construction Programme and was characterized by bunkers built to B1 standard thicknesses (see above). Since the thickness of these structures was soon considered to be too weak and because there was a large number Regelbau designs (and hence confusion), new types were developed and implemented from 1938. These new designs were achieved largely by simplifying and reducing the number of Regelbau types. This new building phase was called the Limes Programme.
Development of Regelbau designs from 1936 to 1940
The fortress engineers were no longer in charge of construction; instead Organization Todt (OT) took over, promising Hitler it would deliver the number of structures he wanted. Plans for the Limes Programme did not envisage the inclusion of the cities of Aachen and Saarbrücken and they therefore ended up in front of the planned line of fortifications. That changed in 1939 with the Aachen-Saar Programme. From 1939, yet more new Regelbau bunkers were designed for the construction programme that saw increases in the construction thicknesses. From then on, only bunkers that met the in "B new" and "A" standards were to be built. With the outbreak of the Second World War on 1 September 1939, priorities for the construction of the Siegfried Line changed. The renewed shortage of raw materials led to the development of a new series of Regelbau designs, the so-called wartime standard designs or Kriegsregelbauten. After the "lavish" Regelbauten of the Aachen-Saar Programme, the final construction phase was dominated by massive financial constraints. For example, observation cupolas and flank firing positions were no longer provided and the rooms were smaller.
Atlantikwall Regelbau S75 & S80 - 38 cm S.K.C/34 Naval Gun Turret - The ...
Atlantikwall Regelbau S75 & S80 - 38 cm S.K.C/34 Naval Gun - The Adolf Gun Bunker.
S75 is the ammunition depot of the Bunker and
The S80 is the for machine room and room for crew.
The 38 cm SK C/34 naval gun was developed by Germany mid to late 1930s. It armed the Bismarck-class battleships and was planned as the armament of the O-class battlecruisers and the re-armed Scharnhorst-class battleships. Six twin-gun mountings were also sold to the Soviet Union and it was planned to use them on the Kronshtadt-class battlecruisers, however they were never delivered. Spare guns were used as coastal artillery in Denmark, Norway and France. One gun is currently on display at Møvig Fortress outside Kristiansand.
Ammunition
It used the standard German naval system of ammunition where the base charge was held in a metallic cartridge case and supplemented by another charge in a silk bag. Both cartridges were rammed together.
Propellant charge
Main charge: 38 cm HuelsKart34 – GefLdG – 108 kg (238 lb) RPC 38 (16/7)
Fore charge: 38 cm VorKart34 – GefLdG – 104 kg (229 lb) RPC 38 (16/7)
Shell
Four types of shells were used by the 38 cm SK C/34 although the Siegfried-Granate could only be used by the coast defense versions. Almost 40 percent lighter, this latter shell could be fired with a reduced charge at 920 metres per second (3,000 ft/s) out to 40 kilometres (44,000 yd). With a full charge it reached 1,050 metres per second (3,400 ft/s) and could travel 55.7 kilometres (60,900 yd) – over 34 miles.
Naval gun
The data given is according to Krupp datasheet 38 cm S.K.C/34 e WA52-453(e). This gun was mounted in pairs in the Drh.L. C/34e turret which allowed elevation from -5° 30' to +30°. Each gun had an individual cradle, spaced 3.5 metres (11 ft) apart, but they were normally coupled together. In general the turret was hydraulically powered, but the training gear, auxiliary elevation, auxiliary hoists and some loading gear was electrically powered. The turrets weighed 1,048 tonnes (1,031 long tons; 1,155 short tons) to 1,056 tonnes (1,039 long tons; 1,164 short tons), rested on ball bearings on a 8.75 metres (28.7 ft) diameter track, could elevate 6° per second and traverse 5.4° per second. The guns were loaded at +2.5° and used a telescoping chain-operated rammer. According to German manuals the required permanent capacity for the loading equipment for ammunition was 2.5 shells per minute. During testing period at the Baltic Sea the AVKS Report states an output of the ammunition delivery system up to 3.125 shells per minute. Under battle conditions Bismarck averaged roughly one round per minute in her battle with HMS Hood and Prince of Wales.
These guns were modified with a larger chamber for coast defense duties to handle the increased amount of propellant used for the special long-range Siegfried shells. Gander and Chamberlain quote a weight of 105.3 tonnes (103.6 long tons; 116.1 short tons) for these guns, presumably accounting for the extra volume of the enlarged chamber. An armored single mount, the Bettungsschiessgerüst ("Firing platform") C/39 was used by these guns. It had a maximum elevation of 60° and could traverse up to 360°, depending on the emplacement. The C/39 mount had two compartments; the upper housed the guns and their loading equipment, while the lower contained the ammunition hoists, their motors, and the elevation and traverse motors. The mount was fully powered and had an underground magazine. Normally these were placed in open concrete barbettes, relying on their armor, but Hitler thought that there was not enough protection for the guns of Battery Todt emplaced on Cap-Gris-Nez in the Pas de Calais near Wimereux and ordered a concrete casemate 3.5 m (11 ft) thick built over and around the mounts. This had the unfortunate effect of limiting their traverse to 120°. Other C/39 mounts were installed at the Hanstholm fortress in Denmark, and the Vara fortress in Kristiansand, Norway.
Four Drh LC/34 turrets, three of which were originally intended to re-arm the Gneisenau and one completed to the Soviet order, modified for land service, were planned to be emplaced at Paimpol, Brittany and on the Cap de la Hague on the Cotentin Peninsula, but construction never actually began. Construction for two of those turrets was well underway at Blaavand-Oksby, Denmark when the war ended.
how is a Regelbau
Before and during World War II, the Wehrmacht built several standardised bunkers and weapon positions in Germany and German-occupied countries. These buildings were called Regelbau, i.e. standardised buildings.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
S75 is the ammunition depot of the Bunker and
The S80 is the for machine room and room for crew.
The 38 cm SK C/34 naval gun was developed by Germany mid to late 1930s. It armed the Bismarck-class battleships and was planned as the armament of the O-class battlecruisers and the re-armed Scharnhorst-class battleships. Six twin-gun mountings were also sold to the Soviet Union and it was planned to use them on the Kronshtadt-class battlecruisers, however they were never delivered. Spare guns were used as coastal artillery in Denmark, Norway and France. One gun is currently on display at Møvig Fortress outside Kristiansand.
Ammunition
It used the standard German naval system of ammunition where the base charge was held in a metallic cartridge case and supplemented by another charge in a silk bag. Both cartridges were rammed together.
Propellant charge
Main charge: 38 cm HuelsKart34 – GefLdG – 108 kg (238 lb) RPC 38 (16/7)
Fore charge: 38 cm VorKart34 – GefLdG – 104 kg (229 lb) RPC 38 (16/7)
Shell
Four types of shells were used by the 38 cm SK C/34 although the Siegfried-Granate could only be used by the coast defense versions. Almost 40 percent lighter, this latter shell could be fired with a reduced charge at 920 metres per second (3,000 ft/s) out to 40 kilometres (44,000 yd). With a full charge it reached 1,050 metres per second (3,400 ft/s) and could travel 55.7 kilometres (60,900 yd) – over 34 miles.
Naval gun
The data given is according to Krupp datasheet 38 cm S.K.C/34 e WA52-453(e). This gun was mounted in pairs in the Drh.L. C/34e turret which allowed elevation from -5° 30' to +30°. Each gun had an individual cradle, spaced 3.5 metres (11 ft) apart, but they were normally coupled together. In general the turret was hydraulically powered, but the training gear, auxiliary elevation, auxiliary hoists and some loading gear was electrically powered. The turrets weighed 1,048 tonnes (1,031 long tons; 1,155 short tons) to 1,056 tonnes (1,039 long tons; 1,164 short tons), rested on ball bearings on a 8.75 metres (28.7 ft) diameter track, could elevate 6° per second and traverse 5.4° per second. The guns were loaded at +2.5° and used a telescoping chain-operated rammer. According to German manuals the required permanent capacity for the loading equipment for ammunition was 2.5 shells per minute. During testing period at the Baltic Sea the AVKS Report states an output of the ammunition delivery system up to 3.125 shells per minute. Under battle conditions Bismarck averaged roughly one round per minute in her battle with HMS Hood and Prince of Wales.
These guns were modified with a larger chamber for coast defense duties to handle the increased amount of propellant used for the special long-range Siegfried shells. Gander and Chamberlain quote a weight of 105.3 tonnes (103.6 long tons; 116.1 short tons) for these guns, presumably accounting for the extra volume of the enlarged chamber. An armored single mount, the Bettungsschiessgerüst ("Firing platform") C/39 was used by these guns. It had a maximum elevation of 60° and could traverse up to 360°, depending on the emplacement. The C/39 mount had two compartments; the upper housed the guns and their loading equipment, while the lower contained the ammunition hoists, their motors, and the elevation and traverse motors. The mount was fully powered and had an underground magazine. Normally these were placed in open concrete barbettes, relying on their armor, but Hitler thought that there was not enough protection for the guns of Battery Todt emplaced on Cap-Gris-Nez in the Pas de Calais near Wimereux and ordered a concrete casemate 3.5 m (11 ft) thick built over and around the mounts. This had the unfortunate effect of limiting their traverse to 120°. Other C/39 mounts were installed at the Hanstholm fortress in Denmark, and the Vara fortress in Kristiansand, Norway.
Four Drh LC/34 turrets, three of which were originally intended to re-arm the Gneisenau and one completed to the Soviet order, modified for land service, were planned to be emplaced at Paimpol, Brittany and on the Cap de la Hague on the Cotentin Peninsula, but construction never actually began. Construction for two of those turrets was well underway at Blaavand-Oksby, Denmark when the war ended.
how is a Regelbau
Before and during World War II, the Wehrmacht built several standardised bunkers and weapon positions in Germany and German-occupied countries. These buildings were called Regelbau, i.e. standardised buildings.
The Regelbau (German for "standard design") were a series of standardised bunker designs built in large numbers by the Germans in the Siegfried Line (German: Westwall) and the Atlantic Wall as part of their defensive fortifications prior to and during the Second World War.
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