page_title: National Defense Act of 1916
section_title: Background
hierarchical_section_title: National Defense Act of 1916 / Background
caption_attribution_description: Julius Kahn, member of the U.S. House of Representatives (D-California).
context_page_description: The National Defense Act of 1916, Pub.L. 64–85, 39 Stat. 166, enacted June 3, 1916, was a United States federal law that updated the Militia Act of 1903, which related to the organization of the military, particularly the National Guard. The 1916 act included an expansion of the Army and the National Guard, the creation of an Officers' and an Enlisted Reserve Corps, and the creation of a Reserve Officers' Training Corps. The President was also given expanded authority to federalize the National Guard, with changes to the duration and the circumstances under which he could call it up. The Army began the creation of an Aviation arm, and the federal government took steps to ensure the immediate availability of wartime weapons and equipment by contracting in advance for production of gunpowder and other material.
context_section_description: The act was passed amidst the "preparedness controversy", after Pancho Villa's cross-border raid on Columbus, New Mexico and prior to U.S. entry into World War I.  Its chief proponent was James Hay of Virginia, the Chairman of the House Committee on Military Affairs.
  Sponsored by the committee's ranking member, Julius Kahn of California and drafted by Hay, the 1916 law authorized an expanded Army of 175,000, and an enlarged National Guard of 450,000.
caption: Rep. Julius Kahn of California
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