Iowa Class:
Illinois (BB-65), an Iowa-class battleship under construction by Philadelphia Naval Shipyard, was canceled 12 August 1945.
The keel of Kentucky (BB-66), an Iowa-class battleship, was laid at Norfolk Navy Yard, Portsmouth, Va., 6 December 1944.
Construction was suspended 17 February 1947 when the battleship was 72.1 percent complete. Her name was struck from the Navy List 9 June 1958; and her uncompleted hulk was sold for scrapping to Boston Metals Co., Baltimore, Md., 31 October.
Montana Class:
(BB-67: dp. 60,500; l. 925’; b. 121’ 2”; a. 12 16”, 32 40mm; cl. Montana)
The name Montana was assigned to BB-67 on 28 December 1940; but construction of the Montana-class battleship by Philadelphia Navy Yard, Philadelphia, Pa., was canceled 21 July 1943, before her keel was laid.
A fourth Ohio, (BB-68), was authorized 19 July 1940, her construction assigned to the Philadelphia Navy Yard. Construction was canceled 21 July 1943.
(BB-69: dp. 60,500; l. 925’; b. 121’ 2”; a. 12 16”, 32 40mm.; cl. Montana)
The name Maine was assigned to BB-69 on 28 December 1940, but construction of the Montana-class battleship at the New York Navy Yard was canceled 21 July 1943.
Construction of New Hampshire (BB-70), a battleship to be built by New York Navy Yard, Brooklyn, N. Y., was canceled 21 July 1943.
Building of battleship Louisiana (BB-71), was authorized 19 July 1940, and assigned to the Norfolk Navy Yard, Portsmouth, Va.; but, before her keel was laid, construction was canceled 21 July 1943.
From DANFS.
"(BB-67: dp. 60,500; l. 925’; b. 121’ 2”; a. 12 16”, 32 40mm; cl. Montana)""By January 1941, the design limit for the 58,000 ton (53,000 tonne) battleship plan had been reached, and consensus among those designing the battleship class was to increase the displacement to support the armor and weaponry on the ships. "
The word "displacement" can refer to more than one number. According to Wikipedia, Montana class "standard displacement" was set at 65,000 tons and "full load" at 71,000 tons. It also calls the "design limit" 58,000 tons.
For the Iowa class, we are given three weights: 45,000 tons standard, 52,000 tons mean war service, and 58,000 tons full load.
The reporters questioned here about a 65,000 to 80,000 ton battleship, which could only refer to the Montanas. These were presumably on the drawing boards by January 1940, so Edison and Stark were doing a bit more than just "giving thought" to such matters.
1940 study plan:
In the end, of course, the material and production capacity for these last five battleships was converted over to help build 24 Essex class aircraft carriers.
