USS Iowa (BB-4)

USS Iowa (BB-4) is a battleship that served in the United States Navy from 1896 to 1919. This type of ship was a great advance over previous Indiana-class ships (USS Indiana (BB-1) , USS Massachusetts (BB-2), USS Oregon (BB-3)).

Compared to its predecessors, the Iowa was a much more maneuverable vessel, and many parameters regarding armament were also improved.

Name	Iowa
Type	Pre-dreadnought battleship
Builder	William Cramp & Sons, Philadelphia
Laid down	5 August 1893
Launched	28 March 1896
Commissioned	16 June 1897
Decommissioned	30 June 1908
Recommissioned	2 May 1910
Decommissioned	23 May 1914
Recommissioned	23 April 1917
Decommissioned	31 March 1919
Fate	Sunk as a target ship, 23 March 1923
Stricken	27 March 1923
Displacement	Normal: 11,410 long tons (11,590 t) Full load: 12,647 long tons (12,850 t)
Beam	72 ft 3 in (22.02 m)
Draft	24 ft (7.3 m)
Length	360 ft (110 m) (Waterline length) 362 ft 6 in (110.49 m)(lenght overall)
Propulsion	2 × triple-expansion steam engines 2 × screw propellers
Installed power	5 × fire-tube boilers, 11,000 ihp (8,200 kW)
Range	5,140 nmi (9,520 km; 5,920 mi) at 10 kn (19 km/h; 12 mph)
Speed	16 kn (30 km/h; 18 mph)
Armor	Belt: 14–4 in (356–102 mm) Barbettes: 15–12.5 in (381–318 mm) Turrets : 15–17 in (432 mm) Conning Tower: 10 in (254 mm) Deck: 3 in (76 mm)
Armament	4 × 12 in (305 mm)/35 caliber guns 8 × 8 in (203 mm)/35 cal guns 6 × 4 in (100 mm)/40 cal guns 20 × 6-pounder guns 4 × 1-pounder guns 4 × M1895 Colt–Browning machine guns 2 x 14-inch (356 mm) torpedo tubes
Complement	36 officers 540 enlisted men

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Technical parameters