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Yard workers hoist one of nine 16"/50 Mark VII gun barrels aboard the USS Iowa during her construction in 1942. The 16-inch/50 caliber Mark 7 guns of the forward turret of the battleship USS Wisconsin (BB-64) fire at enemy targets ashore on the Korean Peninsula on 30 January 1952 during the Korean War.
The first Iowa-class ship was laid down in June 1940; in their World War II configuration, each of the Iowa-class battleships had a main battery of 16-inch (406 mm) guns that could hit targets nearly 20 statute miles (32 km) away with a variety of artillery shells designed for anti-ship or bombardment work. The secondary battery of 5-inch (127 ...
The shell weighed 1,900 pounds (862 kg), had an estimated yield of 15 to 20 kilotons of TNT (63,000 to 84,000 GJ), [43] and its introduction made the Iowa-class battleships' 16-inch guns the world's largest nuclear artillery [44] and made these four battleships the only US Navy ships ever to have nuclear shells for naval guns. [44]
USS Iowa (BB-61) is a retired battleship, the lead ship of her class, and the fourth in the United States Navy to be named after the state of Iowa.Owing to the cancellation of the Montana-class battleships, Iowa is the last lead ship of any class of United States battleships and was the only ship of her class to serve in the Atlantic Ocean during World War II.
The Iowa-class battleships’ primary armament consisted of 16-inch/.50 caliber Mark 7 guns, capable of accurately firing 2,700-pound armor-piercing shells across distances up to 23 miles.
The W19 nuclear system was adapted into a nuclear artillery shell for the US Navy's 16-inch (406 mm) main battery found on the Iowa-class battleships, the W23.Production of the W23 began in 1956 and they were in service until 1962, with a total of 50 units being produced.
As the Des Moines Register marks its 175th year, today's historic front page is from April 20, 1989: Explosion aboard USS Iowa kills 47 sailors Historic front page from the Des Moines Register ...
Position of USS Iowa's Turret Two. On 19 April 1989, an explosion occurred within the Number Two 16-inch gun turret of the United States Navy battleship USS Iowa (BB-61) during a fleet exercise in the Caribbean Sea near Puerto Rico. [1] The explosion in the center gun room killed 47 of the turret's crewmen and severely damaged the gun turret ...