German submarine U-157 (1941)

	U-505, a typical Type IXC boat
History
Nazi Germany
Name	U-157
Ordered	25 September 1939
Builder	DeSchiMAG AG Weser, Bremen
Yard number	999
Laid down	21 October 1940
Launched	5 June 1941
Commissioned	15 September 1941
Fate	Sunk, 13 June 1942
General characteristics
Class & 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; 7.7 knots (14.3 km/h; 8.9 mph) submerged;
Range	13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced; 64 nmi (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	230 m (750 ft)
Complement	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:	4th U-boat Flotilla; 15 September 1941 – 31 May 1942; 2nd U-boat Flotilla; 1 – 13 June 1942;
Identification codes:	M 13 974
Commanders:	K.Kapt. Wolf Henne; 15 September 1941 – 13 June 1942;
Operations:	2 patrols:; 1st patrol:; 30 April – 10 May 1942; 2nd patrol:; 18 May – 13 June 1942;
Victories:	1 merchant ship sunk ; (6,401 GRT)

German submarine U-157 was a Type IXC U-boat of Nazi Germany's Kriegsmarine during World War II. The submarine was laid down on 21 October 1940 at the DeSchiMAG AG Weser yard in Bremen, launched on 5 June 1941, and commissioned on 15 September under the command of Korvettenkapitän Wolf Henne. After training with the 4th U-boat Flotilla, U-157 was transferred to the 2nd U-boat Flotilla for front-line service on 3 June 1942.

History
U-505, a typical Type IXC boat
Nazi Germany
Name	U-157
Ordered	25 September 1939
Builder	DeSchiMAG AG Weser, Bremen
Yard number	999
Laid down	21 October 1940
Launched	5 June 1941
Commissioned	15 September 1941
Fate	Sunk, 13 June 1942
General characteristics
Class & 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 7.7 knots (14.3 km/h; 8.9 mph) submerged
Range	13,450 nmi (24,910 km; 15,480 mi) at 10 knots (19 km/h; 12 mph) surfaced 64 nmi (119 km; 74 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged
Test depth	230 m (750 ft)
Complement	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:	4th U-boat Flotilla 15 September 1941 – 31 May 1942 2nd U-boat Flotilla 1 – 13 June 1942
Identification codes:	M 13 974
Commanders:	K.Kapt. Wolf Henne 15 September 1941 – 13 June 1942
Operations:	2 patrols: 1st patrol: 30 April – 10 May 1942 2nd patrol: 18 May – 13 June 1942
Victories:	1 merchant ship sunk (6,401 GRT)