German submarine U-556

History
Nazi Germany
Name	U-556
Ordered	25 September 1939
Builder	Blohm & Voss, Hamburg
Yard number	532
Laid down	2 January 1940
Launched	7 December 1940
Commissioned	6 February 1941
Fate	Sunk on 27 June 1941
General characteristics
Class and type	Type VIIC submarine
Displacement	769 tonnes (757 long tons) surfaced; 871 t (857 long tons) submerged;
Length	67.10 m (220 ft 2 in) o/a; 50.50 m (165 ft 8 in) pressure hull;
Beam	6.20 m (20 ft 4 in) o/a; 4.70 m (15 ft 5 in) pressure hull;
Height	9.60 m (31 ft 6 in)
Draught	4.74 m (15 ft 7 in)
Installed power	2,800–3,200 PS (2,100–2,400 kW; 2,800–3,200 bhp) (diesels); 750 PS (550 kW; 740 shp) (electric);
Propulsion	2 shafts; 2 × diesel engines; 2 × electric motors;
Speed	17.7 knots (32.8 km/h; 20.4 mph) surfaced; 7.6 knots (14.1 km/h; 8.7 mph) submerged;
Range	8,500 nmi (15,700 km; 9,800 mi) at 10 knots (19 km/h; 12 mph) surfaced; 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) submerged;
Test depth	230 m (750 ft); Crush depth: 250–295 m (820–968 ft);
Complement	4 officers, 40–56 enlisted
Armament	5 × 53.3 cm (21 in) torpedo tubes (four bow, one stern); 14 × G7e torpedoes or 26 TMA mines; 1 × 8.8 cm (3.46 in) deck gun (220 rounds); 1 x 2 cm (0.79 in) C/30 AA gun;
Service record
Part of:	1st U-boat Flotilla; 6 February – 27 June 1941;
Identification codes:	M 36 839
Commanders:	Kptlt. Herbert Wohlfarth; 6 February – 27 June 1941;
Operations:	2 patrols:; 1st patrol:; 1 – 30 May 1941; 2nd patrol:; 19 – 27 June 1941;
Victories:	6 merchant ships sunk ; (29,552 GRT); 1 merchant ship damaged ; (4,986 GRT);

German submarine U-556 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down on 2 January 1940 at the Blohm & Voss yard in Hamburg as yard number 532, launched on 7 December 1940, and commissioned on 6 February 1941 under the command of Kapitänleutnant Herbert Wohlfarth, who commanded her for her entire career. U-556 conducted only two patrols, sinking six ships totalling 29,552 gross register tons (GRT) and damaging one other of 4,986 GRT, before she was sunk on 27 June 1941.

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