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[1] They were one of the fastest submarine class built during World War II, second only to Walter Type XVII closed-cycle powered submarines. Twenty-three units were ordered from the Kure Naval Arsenal under the 1943 construction program.
The citadel consisting of the magazines and engine rooms was protected by an STS outer hull plating 1.5 inches (38 mm) thick and a Class A armor belt 12.1 inches (307 mm) thick mounted on 0.875-inch (22.2 mm) STS backing plate; the armor belt is sloped at 19 degrees, equivalent to 17.3 in (439 mm) of vertical class B armor at 19,000 yards.
The U.S. succeeded in completing four of the intended six Iowa class (the last two members with hull numbers BB-65 and BB-66 were originally intended as the first and second ships of the Montana-class of battleships; [32] however, the passage of an emergency war building program on 19 July 1940 resulted in both hulls being reordered as Iowa ...
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 ...
K-222 was the sole Project 661 "Anchar" (Cyrillic: Анчар) (NATO reporting name: Papa class) nuclear-powered cruise-missile submarine of the Soviet Navy during the Cold War. Although the Soviets saw K-222 as an unsuccessful design, upon completion it was the world's fastest submarine and the first to be built with a titanium hull.
80 000 kg 10x 1 Mt Active 2012 [citation needed] Yes Road-mobile TEL/ Rail-mobile 100–150 m 45 JL-2: China Factory 307 (Nanjing Dawn Group) ~7200 km 42,000 kg 1x 1 Mt or 3x 20/90/150 kt Active 2001 (Believed) Yes Type 094 Jin-class submarine: 500 m 46 JL-3: China Factory 307 (Nanjing Dawn Group) 9000–12,000 km Under development Yes
British Battleships of World War One. Annapolis, MD: Naval Institute Press. ISBN 0-87021-863-8. Campbell, N. J. M. (1978). Battle Cruisers: The Design and Development of British and German Battlecruisers of the First World War Era. Warship Special. Vol. 1. Greenwich: Conway Maritime Press. ISBN 0-85177-130-0. OCLC 5991550.
During the war, the surviving battlecruisers saw extensive action, and many were sunk. The four Japanese Kongō-class ships had been rebuilt as fast battleships in the 1930s, but all were sunk during the conflict. [16] Of the three British battlecruisers still in service, HMS Hood and Repulse were sunk, but Renown survived the war.