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USA152X2(project CL-12E)

USA152X2(project CL-12E)
In 1938, although the European continent was on the brink of war, the second London Naval Treaty signed by the United States, Britain and France in 1936 still came into force. The U.S. Navy's ship building plan this year includes two 8000 ton 6-inch light cruisers that meet the displacement limit of class (b) light surface ships (i.e. light cruisers) in the treaty, that is, the 12D scheme. The scheme is related to the 12 / 12C scheme during the design of Atlanta class light cruiser from 1937 to 1938. The 12D scheme is only equipped with four 6-inch dual-purpose guns, which are modified to five, and the scheme number is changed to 12E. The top management of the US Navy was not satisfied with the plan, especially President Franklin D. Roosevelt, who served as assistant secretary of the Navy from 1913 to 1920 and did not have a deep understanding of but was interested in naval matters. Roosevelt believed that the plan was insufficient in firepower, and required it to be equipped with four 11 inch or 12 inch main guns to fight against German class armored ships.