Unterseeboot 365

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U-365
Type VIIC


Launch Date March 9, 1943
Commission Date June 8, 1943
Construction yard Flensburger Schiffsbau, Flensburg
Patrols
Start Date End Date Assigned Unit
No Patrols 5th Flotilla
March 26, 1944 April 5, 1944 9th Flotilla
April 8, 1944 April 24, 1944 9th Flotilla
May 1 ,1944 May 21, 1944 9th Flotilla
June 23, 1944 July 22, 1944 13th Flotilla
August 5, 1944 August 25, 1944 13th Flotilla
September 28, 1944 October 23, 1944 13th Flotilla
October, 1944 November 11, 1944 13th Flotilla
November 22, 1944 December 13, 1944 13th Flotilla
Commanders
June, 1943 November, 1944 Kptlt. Heimar Wedemeyer
November, 1943 December, 1944 Kptlt. Diether Todenhagen
Successes
Type of Ship Sunk Number of Ships Sunk Gross Registered Tonnage
Commercial Vessels 1 5,685
Military Vessels 3 2,300

Unterseeboot 365 (usually abbreviated to U-365) was a German submarine built during World War II. She served exclusively against the Arctic Convoys from Britain to Murmansk and Archangelsk, principally targeting the Soviet forces which greeted the convoys in the Barents Sea.

The boat was built in Flensburg in 1942 and 1943, U-365 was a Type VIIC U-boat, with five torpedo tubes and a deck gun for smaller targets. She was captained by Kplt Heimar Wedemeyer, an efficient if slightly cautious officer, who worked his boat and crew up before being dispatched to the 9th Flotilla based at Bergen, Norway, from which she conducted her first three patrols.

[edit] War Patrols

U-365's early operations were in support of clandestine operations in the North Sea and Arctic Ocean, in the course of which she saw no action against allied shipping or positions. It wasn't until her fifth patrol, following a shift in patrol zones to the frozen seas around Novaya Zemlya and of flotilla to the 13th U-flotilla, that U-365 experienced success. In this region, on the 12 August, the boat spotted a small Soviet convoy and in rapid order sank a 5,000-ton freighter and the two 600-ton minesweepers intended to protect it.

However, due to the remoteness of the U-365's patrol zones, the cautiousness of her commander and the efficiency of allied submarine defences by the autumn of 1944, Wedemeyer was unable to score another victory for his boat in the next two patrols, and eventually was replaced by Kplt Diether Todenhagen, who had previously served on the enormously successful U-48, and had a reputation as an aggressive submariner. This seemed deserved as on his first patrol, on the 6 December, he sank the tiny Soviet patrol ship BO-2 in the Barents Sea. This was followed five days later with a determined attack on an Allied convoy in which the British destroyer HMS Cassandra was seriously damaged. However in orchestrating the attack the U-boat's position was revealed, and just two days later two Fairey Swordfish aircraft from 813 squadron flying from the escort carrier HMS Campania spotted the submarine and sank her near the Lofoten Islands with bombs. All 50 of the U-boat's crew perished in the wreck.

[edit] Raiding career

Date Ship Nationality Tonnage Fate
12 August 1944 SS Marina Raskova Soviet 5,685 Sunk
12 August 1944 TSC-118 Soviet minesweeper 625 Sunk
12 August 1944 TSC-114 Soviet minesweeper 625 Sunk
6 December 1944 BO-2 Soviet patrol boat 240 Sunk
1 April 1944 HMS Cassandra British 1,710 Damaged

[edit] References

See Also: List of U-boats

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