Crewman's hydrophone headphone from one of the German Kriegsmarine U boat submarines U-3506, U-3004 and U-250S which were all scuttled inside a pen in 1945 at the Elbe II bunker at Vulkanhafen in Hamburg,recovered by divers in the late 1980’s.

This is a totally rare find from a German uboat which was recovered many years ago and there is very little about now and wont be anymore coming out as the uboat pen has been back filled now to stop access.This is a crewman's hydrophone headphone which is not complete but has a clear to see part number and some original colours it is very solid and is in relic condition but not braking up or crumbling it has been very well cleaned and is perfect for display or any collection and a nice and rare uboat find part at 4 inches long. The headphone  was recovered from inside one of the German Kriegsmarine U boat submarines U-3506, U-3004 and U-250S which were all scuttled inside a uboat pen in 1945. This pen was the Elbe II bunker on the Elbe River at Vulkanhafen in Hamburg. The part one of the German Kriegsmarine U boat submarines U-3506, U-3004 and U-250S which were all scuttled inside a uboat pen in 1945. This pen was the Elbe II bunker on the Elbe River at Vulkanhafen in Hamburg.The part was recovered by divers in the late 1980’s when access was still possible un like today.The part comes with 3xA5 laminated information cards

As World War II drew to a close, the Elbe II bunker sustained several hits. A Tallboy bomb strike in 1945 resulted in the 3-meter-thick ceiling curving slightly inward.An attack on April 8, 1945, led to partial destruction of the hanging gate locks due to a nearby explosion. In the final days of the war, three submarines – U-3004, U-2505, and U-3506 – were deliberately sunk by their crews in western pens. On the 11th of November 1945, Royal Engineers from the British Army detonated several well-placed sets of explosives (mainly discarded Luftwaffe ordinances) in an attempt to implode the whole complex.

.The U-boats themselves were used as training vessels in wartime and did not undertake patrols. U-2505, U-3004, and U-3506 were all ordered in November 1943. Each had a displacement of 1,621 tons surfaced (1,819 tons submerged) and measured just over 251 feet long. The boats were rated to test depths of some 920 feet. It was not until late in the war that they were put into service by the Kriegsmarine, however. U-2505 was commissioned in November 1944, U-3004 in August 1944, and U-3506 in October 1944.

The u-boats were then forgotten until 1985 when Jak P Mallmann-Showell, Wolfgang Hirschfeld, and Walter Cloots rediscovered the boats in what remained of the mostly destroyed Elbe II U-boat bunker. During the 1990s, the German government concluded that the bunker posed a significant hazard and took measures to neutralize this threat by filling it with gravel and concrete. This action permanently entombed the U-boats. Subsequently, the site was transformed into a parking area and is now completely off-limits.

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