The National Industrial Recovery Act of 1933 provided money that helped turn the Mahan programme into a broader industrial restart. Building eighteen Mahans expanded the number of people who understood destroyer design, machinery, weapons, and construction. That larger knowledge base made it practical to try the differing Gridley, Bagley, and Benham machinery arrangements. Each built class supplied evidence that paper studies alone could not provide. The funding mattered beyond the hulls it directly financed. Investment in yards, engineers, and technical teams supported the later designs that carried American destroyer production into World War II.
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The National Industrial Recovery Act funded a chain of destroyer experiments
Funding under the 1933 National Industrial Recovery Act expanded the Mahan programme and the technical workforce needed for the later Gridley, Bagley, and Benham experiments.