63rd Infantry Regiment (United States)  The 63rd Infantry Regiment was a Regular infantry regiment in the United States Army. Constituted 15 May 1917 in the Regular Army as the 63rd Infantry. Organized 1 June 1917 at the Presidio of San Francisco, California, from personnel of the 12th infantry. Assigned to the 11th Infantry Division 5 July 1918. Relieved from the 11th Division 29 November 1918. Demobilized 31 July 1922 at Plattsburg Barracks, New York. World War II   The shield of the COA. The shield is Infantry blue with demi-sun. A rising sun is on the arms of the state of New York, and California is the state of the setting sun. The 63rd Infantry was originally organized in California and after World War I performed guard duty in New York state. The 12th Infantry from which the personnel were drawn, is indicated by the canton