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Iowa

USS Iowa

Museum ship

United States Navy

TypeBattleship
ClassIowa
WarSecond World War
Main guns9 × 16″ guns

Lead ship of the last and fastest American battleships, built to keep pace with the carriers. With Lee's battle line at the Philippine Sea and in the run north at Leyte Gulf. Served in Korea and again in the 1980s. A museum ship in Los Angeles.

A bow view of the battleship USS IOWA (BB-61) firing its Mark 7 16-inch/50-caliber guns off the starboard side during a fire power demonstration. Photo: PH1 Jeff Hilton, Public domain · Wikimedia Commons

Armament and specifications

Armament

1943

  • 9 × 16 in (406 mm)/50-caliber Mark 7 guns
  • 20 × 5 in (127 mm)/38 cal Mark 12 guns
  • 76 × 40 mm/56 cal anti-aircraft guns
  • 52 × 20 mm/70 cal anti-aircraft guns

1984

  • 12 × 5 in (127 mm)/38 cal Mark 12 guns
  • 32 × BGM-109 Tomahawk cruise missiles
  • 16 × RGM-84 Harpoon Anti-Ship missiles
  • 4 × 20 mm/76 cal Phalanx CIWS

Armour

  • Belt: 12.1 in (307 mm)
  • Bulkheads: 11.3 in (287 mm)
  • Barbettes: 11.6 to 17.3 in (295 to 439 mm)
  • Turrets: 19.5 in (495 mm)

Decks

  • main 1.5 in (38 mm)
  • second 6.0 in (152 mm)
BuilderNew York Naval Yard
Laid down27 June 1940
Launched27 August 1942
Commissioned22 February 1943
Displacement48,110 long tons (48,880 t) Standard 57,540 long tons (58,460 t) full load
Length887 ft 3 in (270.43 m)
Speed33 knots (38 mph; 61 km/h)
Complement151 officers, 2,637 enlisted (WWII)

As built, from the ship's Wikipedia article. Figures there may cover later refits too.

Career

Launched

27 August 1942

19–20 June 1944

25–26 October 1944

Turned south before reaching Ozawa