South Dakota class battleship (1920)

South Dakota class battleship (1920)

The first "South Dakota" class was authorized 4 March 1917, and keels were laid down in 1920 for six ships. However, as the Washington Naval Treaty prohibited their completion, construction was halted 8 February 1922, and the unfinished hulls were sold in 1923. The first "South Dakota" class was an outgrowth of the Standard type battleships, though a greatly modified form: Displacement would have been 12,000 tons greater than the other Standards, with only a two-knot increase in speed. The class was ordered in the same program that created the "Lexington"-class battlecruisers; the "Lexington"s made better conversion hulls because they were further along in their construction and were designed for a far higher speed. Two "Lexington" hulls were converted to "Lexington"-class aircraft carriers, the remaining ten ships of the 1917 shipbuilding program - four battlecruisers and six battleships - were scrapped. All of the names of the ships would be reused for later World War II battleships: "North Carolina" was the exemplar of a two-ship class; "South Dakota," "Indiana" and "Massachusetts" would be members of a new South Dakota class which bore no resemblance to this design; "Iowa" would be the lead ship of the last class of American battleships built; "Montana" would have been the exemplar of a new class, but was cancelled in favor of new aircraft carriers before being laid down.

Ships

* USS "South Dakota" (BB-49)
* USS "Indiana" (BB-50)
* USS "Montana" (BB-51)
* USS "North Carolina" (BB-52)
* USS "Iowa" (BB-53)
* USS "Massachusetts" (BB-54)

External links

* [http://www.maritimequest.com/warship_directory/us_navy_pages/south_dakota_class_cancelled_overview.htm MaritimeQuest South Dakota Class (1918) Class Overview]
* [http://www.navsource.org/archives/01/49.htm NavSource Online - BB-49 South Dakota]


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