Unterseeboot 100

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U-100, given its shortlived existence, was one of the most successful and deadly Nazi German U-boats to have served in World War II. [1]

1 Combat record
2 Further reading

[edit] Combat record

[edit] First patrol

U-100 was first launched on April 10th, 1940, with a crew of 53, under the command of captain Joachim Schepke. On its first active patrol, U-100 came into contact with two allied convoys, OA-198 and OA-204. U-100 shadowed both convoys with the following results;

August 16th, 1940: Sank the British 4,864 ton Empire Merchant, sailing with convoy OA-198
August 25th, 1940: Sank the British 5,471 ton Jamaica Pioneer
August 29th, 1940: Sank the Swedish 2,373 ton Alida Gorthon, a member of convoy OA-204
August 29th, 1940: Sank the British 2,393 ton Astra II, part of convoy OA-204
August 29th, 1940: Sank the British 4,608 ton Dalblair, from convoy OA-204
August 29th, 1940: Damaged the British 5,498 ton Hartismere, sailing with convoy OA-204
August 29th, 1940: Sank the British 6,103 ton Empire Moose, a member of convoy OA-204

[edit] Second patrol

On September 11th, 1940, U-100 left its base for on its second active patrol, coming into contact with allied convoy HX-72, with the following results;

September 21st, 1940: Sank the British 4,608 ton Dalcairn
September 21st, 1940: Sank the British 8,286 ton Canonesa
September 21st, 1940: Sank the British 10,364 ton Torinia
September 22nd, 1940: Sank the British 3,940 ton Scholar
September 22nd, 1940: Sank the Norwegian 6,031 ton Simla
September 22nd, 1940: Sank the British 6,586 ton Empire Airman
September 22nd, 1940: Sank the British 10,525 ton Frederick S Fales

[edit] Third patrol

After resupplying, U-100 departed for its third active patrol on October 12th, 1940. During that 11 day patrol, U-100 came into contact with two allied convoys, HX-79 and SC-7, with the following results;

October 18th, 1940: Damaged the Dutch 2,118 ton Boekelo, a member of convoy SC-7
October 18th, 1940: Damaged the British 5,458 ton Shekatika, part of convoy SC-7
October 19th, 1940: Damaged the British 4,155 ton Blairspey, from convoy SC-7
October 20th, 1940: Sank the British 5,452 ton Loch Lomond, sailing with convoy HX-79
October 20th, 1940: Sank the British 6,218 ton Sitala, a member of convoy HX-79
October 20th, 1940: Sank the British 8,230 ton Caprella, part of convoy HX-79

[edit] Fourth patrol

On November 7th, 1940, U-100 departed on its fourth active duty patrol. On November 22nd, U-100 came into contact with allied convoy SC-11, and began to shadow it with the following results;

November 23rd, 1940: Fatally damaged the Norwegian 2,205 ton Bruse
November 23rd, 1940: Sank the Norwegian 2,694 ton Salonica
November 23rd, 1940: Sank the British 3,136 ton Leise Mærsk
November 23rd, 1940: Sank the Dutch 3,628 ton Ootmarsum
November 23rd, 1940: Sank the Dutch 3,636 ton Bussum
November 23rd, 1940: Sank the British 4,562 ton Justitia
November 23rd, 1940: Sank the British 4,740 ton Bradfyne

[edit] Fifth patrol

On December 2nd, 1940, U-100 left its home port on its fifth active patrol, sinking two vessels from convoy OB-256, then later a third solo vessel. They were;

December 14th, 1940: Sank the British ship Euphorbia, 3,380 tons, part of convoy OB-256
December 14th, 1940: Sank the British ship Kyleglen, 3,670 tons, part of convoy OB-256
December 18th, 1940: Sank the British ship Napier Star, 10,116 tons

[edit] Sixth and final patrol

On March 9th, 1941, U-100 departed on its sixth and what would be its final active patrol. On March 17th, 1941, U-100 came under allied attack and was sunk. 6 of the 53 members of its crew survived, spending the remainder of the war as POWs. [2]