German submarine U-68 (1940)

	U-505, a typical Type IXC boat
History
Nazi Germany
Name	U-68
Ordered	7 August 1939
Builder	DeSchiMAG AG Weser, Bremen
Yard number	987
Laid down	20 April 1940
Launched	22 October 1940
Commissioned	11 February 1941
Fate	Sunk 10 April 1944 north-west of Madeira, Portugal. 56 dead and 1 survivor
General characteristics
Class and type	Type IXC submarine
Displacement	1,120 t (1,100 long tons) surfaced; 1,232 t (1,213 long tons) submerged;
Length	76.76 m (251 ft 10 in) o/a; 58.75 m (192 ft 9 in) pressure hull;
Beam	6.76 m (22 ft 2 in) o/a; 4.40 m (14 ft 5 in) pressure hull;
Height	9.60 m (31 ft 6 in)
Draught	4.70 m (15 ft 5 in)
Installed power	4,400 PS (3,200 kW; 4,300 bhp) (diesels); 1,000 PS (740 kW; 990 shp) (electric);
Propulsion	2 shafts; 2 × diesel engines; 2 × electric motors;
Speed	18.3 knots (33.9 km/h; 21.1 mph) surfaced; 7.3 knots (13.5 km/h; 8.4 mph) submerged;
Range	24,880 nmi (46,080 km; 28,630 mi) at 10 knots (19 km/h; 12 mph) surfaced; 117 nmi (217 km; 135 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	230 m (750 ft)
Complement	4 officers, 44 enlisted 48 to 56
Armament	6 × torpedo tubes (4 bow, 2 stern); 22 × 53.3 cm (21 in) torpedoes; 1 × 10.5 cm (4.1 in) SK C/32 deck gun (180 rounds); 1 × 3.7 cm (1.5 in) SK C/30 AA gun; 1 × twin 2 cm FlaK 30 AA guns;
Service record
Part of:	2nd U-boat Flotilla; 11 February 1941 – 10 April 1944;
Identification codes:	M 00 412
Commanders:	K.Kapt. Karl-Freidrich Merten; 11 February 1941 – 21 January 1943; Oblt.z.S. Albert Lauzemis; 21 January – 16 June 1943; Oblt.z.S. Ekkehard Scherraus; 14 June – July 1943; Oblt.z.S. Gerhard Seehausen; July – 29 July 1943; Oblt.z.S. Albert Lauzemis; 30 July 1943 – 10 April 1944;
Operations:	10 patrols:; 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; 5th patrol:; 20 August – 6 December 1942; 6th patrol:; 3 February – 7 May 1943; 7th patrol:; a. 12 – 16 June 1943; b. 1 – 3 August 1943; 8th patrol:; 14 – 15 August 1943; 9th patrol:; 8 September – 23 December 1943; 10th patrol:; 22 March – 10 April 1944;
Victories:	32 merchant ships sunk ; (197,453 GRT); 1 auxiliary warship sunk ; (545 GRT);

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

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.

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