Military Wiki
German submarine U-68 (1940)
Career (Nazi Germany)
Name: U-68
Ordered: 7 August 1939
Builder: AG Weser, Bremen
Yard number: 987
Laid down: 20 April 1940
Launched: 22 October 1940
Commissioned: 1 February 1941
Fate: Sunk 10 April 1944 north-west of Madeira, Portugal. 56 dead and 1 survivor[1]
Service record
Commanders Krvkpt. Karl Fredrich Merten
(11 February 1941–21 January 1943)
Oblt. Albert Lauzemis
(21 January–16 June 1943)
Oblt. Ekkehard Scherraus
(14 June–July 1943)
Oblt. Gerhard Seehausen
(July–29 July 1943)
Oblt. Albert Lauzemis
(30 July 1943–10 April 1944)
Operations Ten:
1st patrol:
30 June–1 August 1941
2nd patrol:
11 September–25 December 1941
3rd patrol:
11 February–13 April 1942
4th patrol:
14 May –10 July 1942
6th patrol:
3 February–7 May 1943
7th patrol:
12–16 June 1943
8th patrol:
14 August–15 August 1943
9th patrol:
8 September–23 December 1943
10th patrol:
22 March–10 April 1944
Victories 32 ships sunk (197,453 GRT)
one auxillary warship sunk (545 GRT)

German submarine U-68 was a Type IXC U-boat of the German Kriegsmarine during World War II. The submarine was laid down on 20 April 1940 at the AG Weser yard at Bremen as 'werk' 987, launched on 22 October and commissioned on 1 January 1941 under the command of Korvettenkapitän Karl-Friedrich Merten as part of the 2. Unterseebootsflottille.

U-68 conducted ten combat patrols, sinking 32 merchant ships, for a total of 197,453 gross register tons (GRT); she also sank one auxiliary warship of 545 GRT. She was a member of one wolfpack.

On 10 April 1944, during her tenth patrol, she was sunk northwest of Madeira by US aircraft from the escort carrier Guadalcanal.

Service record

1st patrol

U-68 left Kiel on 30 June 1941 for the Atlantic Ocean via the 'gap' between Iceland and the Faroe Islands. She was unsuccessfully attacked with 24 depth charges by the British corvette HMS Rhododendrun west northwest of Cape Finisterre in Spain.[2] She docked at the port of Lorient, on the French Atlantic coast, on 1 August. She would be based there for the rest of her career.

2nd patrol

Heading for the south Atlantic, the boat came across the Silverbelle southwest of the Canary Islands and sank her on 22 September 1941. A month later, she sank the Darkdale while the unfortunate ship was at anchor in Jamestown harbour, St. Helena on 22 October. Her third victim, the Hazelside, was destroyed on the 28th, 600 mi (970 km) southeast of St. Helena. U-68 also sank the Bradford City west of South West Africa (now Namibia) on 1 November. The U-boat collided with the stricken ship while diving underneath her. The submarine's bow was bent.

Nevertheless, the submarine returned to Lorient on 25 December.

3rd patrol

U-68's third sortie was also conducted off the west coast of Africa. She sank the Helenus on 3 March 1942 200 mi (320 km) south of Freetown in Sierra Leone, followed by the Baluchstan on the 8th. The boat's crew were kept busy, sinking the Baron Newlands on the 16th and the Ile de Batz on the 17th; all the vessels met their end in the vicinity of Liberia.

She also sank the Scottish Prince about 180 mi (290 km) west of Takoradi in Gold Coast[3] and the Allende, both on the 17th.

U-68 had turned for home when she sank the Muncaster Castle with two torpedoes south southwest of Monrovia.[4] More than ten lifeboats were seen by the Germans; there were 329 survivors.

4th patrol

For her fourth patrol U-68 moved to the Caribbean Sea, leaving Lorient on 14 May 1942. On the night of 5 June she sank MV C.O. Stillman, which was then the largest oil tanker in the World.

On the night of 10 June, northeast of the Panama Canal, she torpedoed the 8,600-ton British freighter Surrey. 5,000 tons of dynamite in the cargo detonated after the ship sank. The shock wave lifted the U-boat out of the water as if she had suffered a torpedo hit; both diesel engines and the gyrocompass were disabled.[5]

Another victim was the Port Montreal. She was sunk with what Merten noted in the boat's war diary as a lucky [torpedo] hit.

In all, U-68 sank seven ships during this patrol before returning to Lorient on 10 July.

5th patrol

The submarine left Lorient on her fifth patrol on 20 August 1942. She would not see her base again until December. At 109 days, this was to be her longest and most successful sally. Heading once more into the South Atlantic, she attacked and sank the Trevilley east northeast of Ascension Island on 12 September. The Master and Chief Officer were taken prisoner.

She travelled further south, sinking ships such as the Gaasterkerk on 8 October and the Sarthe on the same date, both in the area of the Cape of Good Hope. She also disposed of the Belgian Fighter on the 9th.

Turning for home on 16 October, she sank the City of Cairo on 6 November. U-68 returned a month later to Lorient on 6 December.

6th patrol

The boat's sixth patrol in the first half of 1943 was again to northern South America. Having sunk two ships, she was attacked by a US Mariner flying boat on 2 April; damage was slight.

7th and 8th patrols

U-68 was attacked by one of four British De Haviland Mosquitos on the western edge of the Bay of Biscay on 14 June 943. One man was killed, three were wounded

Patrol number eight was relatively uneventful.

9th patrol

The boat returned to her most successful hunting ground - the South Atlantic. In another mammoth patrol (107 days), she sank four more ships.

One of them, the Norwegian tanker Litiopa, had numerous torpedoes and rounds from the deck gun fired at her, but stubbornly refused to succumb. Having been initially encountered at night on 21 October 1943, it was not until the following day that she sank.

The Litiopa's sole escort was the mine-sweeping trawler HMS Orfasy. She was sunk relatively easily on 21 October before the attack on the tanker.

The other two ships were the New Columbia, (sunk southwest of Bingerville, Ivory Coast) on 31 October and the French Fort de Vaux on 30 November. The latter vessel met her end after 'Aphrodite' radar decoys had been used to lure the escort vessels away.

U-68's inbound route took her close to the northwest Spanish coast. She docked at Lorient on 23 December 1943.

10th patrol and loss

The boat left Lorient for the last time on 22 March 1944. On 10 April, she was sunk northwest of the Portuguese island of Madeira, by depth charges and rockets from Avenger and Wildcat aircraft from the United States escort carrier Guadalcanal. U-68 was lost at position 33°24′N 18°59′W / 33.4°N 18.983°W / 33.4; -18.983Coordinates: 33°24′N 18°59′W / 33.4°N 18.983°W / 33.4; -18.983.

56 men died; there was one survivor.

Summary of raiding history

Date Ship Nationality Tonnage Fate[6]
22 September 1941 Silverbelle  Great Britain 5,302 Sunk
22 September 1941 Darkdale  Great Britain 8,145 Sunk
28 October 1941 Hazelside  Great Britain 5,297 Sunk
1 November 1941 Bradford City  Great Britain 4,953 Sunk
3 March 1942 Helerus  Great Britain 7,366 Sunk
8 March 1942 Baluchistan  Great Britain 6,992 Sunk
16 March 1942 Baron Newlands  Great Britain 3,386 Sunk
17 March 1942 Allende  Great Britain 5,081 Sunk
17 March 1942 Ile de Batz  Great Britain 5,755 Sunk
17 March 1942 Scottish Prince  Great Britain 4,917 Sunk
30 March 1942 Muncaster Castle  Great Britain 5,853 Sunk
5 June 1942 L.J. Drake  USA 6,693 Sunk
5 June 1942 C.O. Stillman  Panama 16,436 Sunk
10 June 1942 Ardenvohr  Great Britain 5,025 Sunk
10 June 1942 Port Montreal  Great Britain 5,882 Sunk
10 June 1942 Surrey  Great Britain 8,581 Sunk
15 June 1942 Frimaire  France 9,242 Sunk
23 June 1942 Arnaga  Panama 2,345 Sunk
12 September 1942 Trevilley  Great Britain 5,298 Sunk
15 September 1942 Breedijk  Netherlands 6,861 Sunk
8 October 1942 Gaasterkerk  Netherlands 8,679 Sunk
8 October 1942 Koumoundouros  Greece 3,598 Sunk
8 October 1942 Sarthe  Great Britain 5,271 Sunk
8 October 1942 Swiftsure  USA 8,207 Sunk
9 October 1942 Belgian Fighter  Belgium 5,403 Sunk
9 October 1942 Examelia  USA 4,981 Sunk
6 November 1942 City of Cairo  Great Britain 8,034 Sunk
13 March 1943 Ceres  Netherlands 2,680 Sunk
13 March 1943 Cities Service Missouri  USA 7,506 Sunk
21 October 1943 HMS Orfasy  Great Britain 545 Sunk
22 October 1943 Litiopa  Norway 5,356 Sunk
31 October 1943 New Columbia  Great Britain 6,574 Sunk
30 November 1943 Fort de Vaux  France 5,186 Sunk
Total amount of tonnage: 201430 tons

See also


  2. The Times Atlas of the World - Third edition, revised 1995, ISBN 0 7230 0809 4, p. 15
  3. The Times Atlas of the World, p. 48
  4. The Times Atlas of the World, p. 48
  5. Blair, Clay (1996). Hitler's U-boat War: The Hunters, 1939–1942. Random House. p. not cited. ISBN 0-394-58839-8. 
  6. "Error: no |title= specified when using {{Cite web}}". Retrieved 23 November 2012. 


  • Blair, Clay (2000). Hitler's U-Boat War: The Hunted, 1942–1945. New York: Modern Library. ISBN 0-679-64033-9. 
  • Dunmore, Spencer (2002). Lost Subs: From the Hunley to the Kursk. The Greatest Submarines Ever Lost – and Found. Cambridge, MA: Da Capo Press. ISBN 0-306-81140-5. 
  • Morisson, Samuel (1956). The Atlantic Battle Won, May 1943 – May 1945. History of United States Naval Operations in World War II. X. Boston: Little, Brown and Company. OCLC 768913584. 

External links

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