Second Vinson Act

Naval Act of 1938

Other short titles	Second Vinson Act
Long title	An Act to establish the composition of the United States Navy, to authorize the construction of certain naval vessels, and for other purposes.
Nicknames	Navy Construction Act of 1938
Enacted by	the 75th United States Congress
Effective	May 17, 1938
Citations
Public law	75-528
Statutes at Large	52 Stat. 401
Codification
Titles amended	34 U.S.C.: Navy
U.S.C. sections amended	34 U.S.C. §§ 498, 498a, 498c-498k, 749b
Legislative history
Introduced in the House as H.R. 9218 by Carl Vinson (D-GA) on March 4, 1938 Committee consideration by House Naval Affairs, Senate Naval Affairs Passed the House on March 21, 1938 (294-100) Passed the Senate on May 3, 1938 (56-28) Reported by the joint conference committee on May 4, 1938; agreed to by the House on May 11, 1938 (Agreed) and by the Senate on May 13, 1938 (Agreed) Signed into law by President Franklin D. Roosevelt on May 17, 1938

The Naval Act of 1938, known as the Second Vinson Act, was United States legislation enacted on May 17, 1938, that "mandated a 20% increase in strength of the United States Navy". It represented the United States' response to the Japanese invasion of China and the German annexation of Austria.

The act was sponsored by Carl Vinson, a Democratic Congressman from Georgia who was Chairman of the House Naval Affairs Committee. It updated the provisions of the Vinson-Trammell Act ("First Vinson Act") of 1934 and the Naval Act of 1936, which had "authorized the construction of the first American battleships in 17 years" (six battleships were authorised under the 1934 Act - BB55 to BB60), based on the provisions of the London Naval Treaty of 1930. The 1938 Act specifically authorised the construction of 105,000 tons of battleships (the first three Iowa Class ships were built under this authorisation), 68,754 tons of cruisers, 38,000 tons of destroyers and 13,658 tons of submarines (eight vessels were built under this authorisation - SS204 to SS211), together with various smaller vessels. It was followed by the Two-Ocean Navy Act of 1940.

"...In addition to the tonnages of the United States Navy as agreed upon and established by the treaties signed at Washington, .... and at London, ... the authorized composition of the United States Navy in under-age vessels is hereby increased by the following tonnages:

...
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