Bismarck-class battleship

Bismarck underway near Blankenese in 1940
Class overview
Name	Bismarck-class battleship
Operators	Kriegsmarine
Preceded by	Scharnhorst class
Succeeded by	H class (planned)
Built	1936–1941
In commission	1940–1944
Completed	2
Lost	2
General characteristics
Type	Fast battleship
Displacement	Bismarck: 41,700 t (41,000 long tons) standard 50,300 t (49,500 long tons) full load Tirpitz: 42,900 t (42,200 long tons) standard 52,600 t (51,800 long tons) full load
Length	241.60 m (792 ft 8 in) waterline 251 m (823 ft 6 in) overall
Beam	36 m (118 ft 1 in)
Draft	9.30 m (30 ft 6 in) standard[b]
Installed power	12 Wagner superheated boilers Bismarck:[2] 148,120 shp (110,450 kW) Tirpitz:[2] 160,795 shp (119,905 kW)
Propulsion	3 geared steam turbines 3 three-blade propellers
Speed	30 knots (56 km/h; 35 mph)
Range	Bismarck: 8,525 nmi (15,788 km; 9,810 mi) at 19 knots (35 km/h; 22 mph) Tirpitz: 8,870 nmi (16,430 km; 10,210 mi) at 19 kn
Complement	103 officers 1,962 enlisted men[a]
Armament	8 × 38 cm (15 in) SK C/34 (4 × 2) 12 × 15 cm (5.9 in) SK C/28 (6 × 2) 16 × 10.5 cm (4.1 in) SK C/33 (8 × 2) 16 × 3.7 cm (1.5 in) SK C/30 (8 × 2) 20 × 2 cm (0.8 in) FlaK 30 (20 × 1)
Armor	Bulkheads: 220 mm (8.7 in) Belt: 320 mm (12.6 in) Turrets: 360 mm (14.2 in) Main deck: 100 to 120 mm (3.9 to 4.7 in)
Aircraft carried	4 × Arado Ar 196
Aviation facilities	1 double-ended catapult

The Bismarck-class was a pair of fast battleships built for Nazi Germany's Kriegsmarine shortly before the outbreak of World War II. The ships were the largest and most powerful warships built for the Kriegsmarine; displacing more than 41,000 metric tons (40,000 long tons) normally, they were armed with a battery of eight 38 cm (15 in) guns and were capable of a top speed of 30 knots (56 km/h; 35 mph). Bismarck was laid-down in July 1936 and completed in September 1940, while the keel of her sister ship, Tirpitz, was laid in October 1936 and work finished in February 1941. The ships were ordered in-response to the French Richelieu-class battleships, themselves laid-down in-response to the Italian Littorio-class battleships. The Bismarck-class was designed with the traditional role of engaging enemy battleships in home waters in mind, though the Oberkommando der Marine (High Command of the Navy) envisioned employing the ships as long-range commerce raiders against British shipping in the Atlantic Ocean. As such, their design represented the strategic confusion that dominated German naval construction in the 1930s.

Both ships had short service careers. Bismarck conducted only one operation, Operation Rheinübung, a sortie into the North Atlantic to raid supply convoys sent from North America to Great Britain. During the operation, she destroyed the British battlecruiser HMS Hood and damaged the new battleship Prince of Wales in the Battle of the Denmark Strait. Bismarck was defeated and sunk in a final engagement after a three-day chase by the Royal Navy. Although some disagreement over the cause of the sinking persists, evidence reviewed by Robert Ballard and James Cameron indicates that her loss was due to a combination of battle damage and scuttling, with the Royal Navy battleships Rodney and King George V inflicting fatal damage before Bismarck's crew scuttled the foundering ship.

Tirpitz's career was less dramatic; she operated in the Baltic Sea briefly in 1941 before being sent to Norwegian waters in 1942, where she acted as a fleet in being, threatening the convoys from Britain to the Soviet Union. She was repeatedly attacked by the Royal Navy and Royal Air Force between 1942 and 1944, but she was not seriously damaged in these attacks. In 1944, Lancaster bombers hit the ship with two Tallboy bombs, which caused extensive internal damage and capsized the battleship. Tirpitz was broken up for scrap between 1948 and 1957.

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