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Micah Marsh (Maus188)
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Untapped Rusting Potential
Graf Zeppelin 1944

Graf Zeppelin (Flugzeugträger A, Aircraft Carrier A) was the only aircraft carrier launched by Germany during World War II and represented part of the Kriegsmarine’s attempt to create a well-balanced oceangoing fleet, capable of projecting German naval power far beyond the narrow confines of the Baltic and North Seas.

Planning and construction

Wilhelm Hadeler had been Assistant to the Professor of Naval Construction at the Technical University of Berlin for nine years when he was appointed to draft preliminary designs for an aircraft carrier in April 1934.

The Anglo-German Naval Agreement signed 18 June 1935 allowed Germany to construct aircraft carriers with displacement up to 38,500 tons.

In 1935, Adolf Hitler announced that Germany would construct aircraft carriers to strengthen theKriegsmarine.

A Luftwaffe officer, a naval officer and a constructor visited Japan in the autumn of 1935 to obtain flight deck equipment blueprints and inspect the Japanese aircraft carrier Akagi .

The keel of Graf Zeppelin was laid down the next year. Two years later, Großadmiral Erich Raeder presented an ambitious shipbuilding program called Plan Z, in which four carriers were to be built by 1945. In 1939, he revised the plan, reducing the number to two.

The Kriegsmarine has always maintained a policy of not assigning a name to a ship until it is launched.
The first German carrier, laid down as “Flugzeugträger A” (“Aircraft carrier A”), was named Graf Zeppelin when launched in 1938. The second carrier — never launched — bore only the title “Flugzeugträger B”, but might, if completed, have been called Peter Strasser.
Having no experience building such ships, the Kriegsmarine had difficulty implementing advanced technologies such as steam-driven catapults into the Graf Zeppelin.

German designers were able to study Japanese designs, but were constrained by the realities of creating a North Sea carrier vs. a “Blue Water” design.

Several cruiser-type guns were envisioned to allow commerce raiding and defense against British cruisers, for example.

This is in contrast to American and Japanese designs, which were more oriented toward a task-force defense, using supporting cruisers for surface firepower.

1940–1945

Construction on the Kriegsmarine’s two aircraft carriers had been fitful from the start due to a shortage of welders and delays in obtaining materials.

Work on Flugzeugträger B was finally halted on 19 September 1939 because, now that Germany was at war with England and France, priority had shifted to U-boat construction.

The hull, completed only up to the armored deck, sat rusting on its slipway until 28 February 1940, when Admiral Raeder ordered her broken up and scrapped.

Meantime, Germany’s conquest of Norway in April 1940 further eroded any chance of completing Flugzeugträger A (Graf Zeppelin).

Now responsible for defending Norway’s long coastline and numerous port facilities, the Kriegsmarine urgently required large numbers of coastal guns and AA batteries.

During a naval conference with Hitler on 29 April 1940, Admiral Raeder proposed halting all work on Graf Zeppelin, arguing that even if she was commissioned by the end of 1940, final installation of her guns would require another ten months or more (her original fire control system had been sold to the Soviet Union under an earlier trade agreement).

Hitler consented to the stop work order, allowing Raeder to have Graf Zeppelin’s 15 cm guns removed and transferred to Norway. The carrier’s heavy flak armament of twelve 10.5 cm guns had already been diverted elsewhere.

On 12 July 1940, Graf Zeppelin was towed from Kiel to Gotenhafen (Gdynia) and remained there for nearly a year.

Just prior to Germany’s invasion of the Soviet Union in June 1941, the carrier was again moved, this time to Stettin, in order to safeguard her from Soviet air attacks.

By November, the German army had pushed deep enough into Russian territory to remove any further threat of air attack and Graf Zeppelin was returned to Gotenhafen where she briefly served as a floating warehouse for the Navy’s hardwood supply.

By the time Admiral Raeder met with Hitler for a detailed discussion of naval strategy in April 1942, the usefulness of aircraft carriers in modern naval warfare had been amply demonstrated.
British carriers had crippled the Italian fleet at Taranto in November 1940, critically damaged the German battleship Bismarck in May 1941 and prevented battleshipTirpitz from attacking two convoys bound for Russia in March 1942. In addition, a Japanese carrier raid on Pearl Harbor had devastated the American battlefleet in December 1941.

Raeder, anxious to secure air protection for the Kriegsmarine’s heavier surface units, informed Hitler that Graf Zeppelin could be finished in about a year, with another six months required for sea trials and flight training.

On 13 May 1942, with Hitler’s authorization, the German Naval Supreme Command ordered work resumed on the carrier.

But daunting technical problems remained. Raeder wanted newer planes, specifically designed for carrier use.

Reichsmarshall Goering, head of the Luftwaffe, replied that the already overburdened German aircraft industry could not possibly complete the design, testing and mass production of such aircraft before 1946.

Instead, he proposed converting existing aircraft (again the Junkers Ju 87 and Messerschmitt Bf 109) as a temporary solution until newer types could be developed. Training of carrier pilots at Travemünde would also resume.

The converted carrier aircraft were heavier versions of their land-based predecessors and this required a host of changes to Graf Zeppelin’s original design: the existing catapults needed modernization; stronger winches were necessary for the arresting gear; the flight deck, elevators and hangar floors also required reinforcement.
Changes in naval technology dictated other alterations as well:installation of air search radar sets and antennas; upgraded radio equipment; an armored fighter director cabin mounted on the main mast (which in turn meant a heavier sturdier mast to accommodate the cabin’s added weight); extra armoring for the bridge and fire control center; a new curved funnel cap to shield the fighter director cabin from smoke; replacing the single-mount 20mm AA guns with quadruple Flakvierling 38 guns (with a corresponding increase in ammunition supply) to improve overall AA defense; and additional bulges on either side of the hull to preserve the ship’s stability under all this added weight.

The German naval staff hoped all these changes could be accomplished by April 1943, with the carrier’s first sea trials taking place in August that same year.

Towards that end, Chief Engineer Hadeler was reassigned to oversee Graf Zeppelin’s completion.

Hadeler planned on getting the two inner shafts and their respective propulsion systems operational first, giving the ship an initial speed of 25-26 knots, fast enough for sea trials to commence and for conducting air training exercises. By the winter of 1943/1944 she was expected to be combat-ready.

On the night of 27–28 August 1942, Graf Zeppelin underwent the only Allied air attack ever specifically targeting her for destruction.

Nine RAF Lancaster bombers from 106 and 97 Squadrons were despatched against Gotenhafen, each one carrying single “Capital Ship” bombs, a 5,500 lb device with a shaped charge warhead intended for armoured targets.

One pilot was unable to see the carrier due to haze and instead dropped his bomb on the estimated position of the German battleship Gneisenau. Another believed he scored a direct hit on Graf Zeppelin but there is no known record of the ship suffering any damage from a bomb strike that night.

On 5 December 1942, Graf Zeppelin was towed back to Kiel and placed in a floating drydock. It seemed she might well see completion after all.

By late January 1943, however, Hitler had become so disenchanted with the Kriegsmarine, especially with what he perceived as the poor performance of its surface fleet, that he ordered all of its larger ships taken out of service and scrapped.

To Admiral Raeder, who had often clashed with Hitler on naval policy, this was a stunning setback. In a long memorandum to Hitler he called the new order “the cheapest sea victory England ever won”.

Raeder was shortly relieved of command and replaced with former Commander of Submarines Karl Dönitz.

Though Admiral Dönitz eventually persuaded Hitler to void most of the order, work on all new surface ships and even those nearing completion was halted, including Graf Zeppelin. As of 2 February 1943, construction on the carrier ended for good.

In April 1943 Graf Zeppelin was towed eastward, first to Gotenhafen, then to the roadstead at Swinemünde and finally berthed at a wharf in the Parnitz River, two miles from Stettin.

There she languished for the next two years with only a 40-man custodial crew in attendance. When Red Army forces neared the city in April 1945, the ship’s Kingston valves were opened, flooding her lower spaces and settling her firmly into the mud in shallow water.

A ten-man engineering squad then rigged the vessel’s interior with demolition and depth charges in order to hole the hull and destroy vital machinery.

At 6pm on 25 April 1945, just as the Russians entered Stettin, commander Wolfgang Kähler radioed the squad to detonate the explosives. Smoke billowing from the carrier’s funnel confirmed the charges had gone off, rendering the ship useless to her new owners for many months to come.


Fate after the war
The carrier’s history and fate after Germany’s surrender was unclear for decades after the war. According to the terms of the Allied Tripartite Commission, a “Category C” ship (damaged or scuttled) should have been destroyed or sunk in deep water by August 15, 1946.

Instead, the Soviets decided to repair the damaged ship and it was refloated in March 1946 and enlisted in the Baltic Fleet as aircraft carrier Zeppelin. The last known photo of the carrier is dated April 7, 1947.

The photo appears to show the carrier deck loaded with various containers, boxes and construction elements, hence the supposition that it was probably used to carry confiscated factory equipment from Poland and Germany to the Soviet Union.
For many years, no other information about the ship’s fate was available. There was some speculation that it was very unlikely that the hull made it to Leningrad, as it was argued that the arrival of such a large and unusual vessel would have been noticed by Western intelligence services.

This seemed to imply that the hull was lost at sea during transfer to Leningrad. One account concluded that it struck a mine north of Rügen on August 15, 1947, but Rügen, west of Swinemünde, is not on the sailing route to Leningrad.

Further north in the Gulf of Finland, a heavily-mined area difficult for Western observers to monitor, seemed more likely.

After the opening of the Soviet archives, new light was shed on the mystery. Though some believed that the carrier had been towed to Leningrad after the war, in his book “Without wings, the story of Hitler’s aircraft carrier” Burke disputed this.

What is known is that the carrier was as “PB-101” (Floating Base Number 101) in February 3, 1947, until, on August 16, 1947, it was used as a practice target for Soviet ships and aircraft.

Allegedly the Soviets installed aerial bombs on the flight deck, in hangars and even inside the funnels (to simulate a load of combat munitions), and then dropped bombs from aircraft and fired shells and torpedoes at it.

This assault would both comply with the Tripartite mandate (albeit late) and provide the Soviets with experience in sinking an aircraft carrier.

By this point, the Cold War was underway, and the Soviets were well aware of the large numbers and central importance of aircraft carriers in the U.S. Navy, which in the event of an actual war between the Soviet Union and the United States would be targets of high strategic importance.

After being hit by 24 bombs and projectiles, the ship did not sink and had to be finished off by two torpedoes. The exact position of the wreck was unknown for decades.

On July 12, 2006 RV St. Barbara, a ship belonging to the Polish oil company Petrobaltic found a 265 m long wreck which they thought was most likely Graf Zeppelin.

On July 26, 2006 the crew of the Polish Navy’s survey ship ORP Arctowski commenced inspection of the wreckage to confirm its identity, and the following day the Polish Navy confirmed that the wreckage was indeed that of Graf Zeppelin. She rests at more than 87 meters (264 feet) below the surface.

Project summary

Title:Untapped Rusting Potential
Graf Zeppelin 1944
Scale:1:350
Status:Ideas
Timeline:Started on October 10, 2018

Project inventory

Full kits
1:350 DKM Graf Zeppelin (Trumpeter 05627)
German Navy Aircraft Carrier
DKM Graf Zeppelin
Trumpeter 1:350
05627
2017 | New tool
+
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Updated: October 11, 2018

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