Hobart R. Gay participant of World War I
Early military career
He was first commissioned into the Army Reserve as a 2nd lieutenant following his graduation from Knox College in 1917. He played as a halfback on the Knox College football team and earned a Bachelor of Science degree.On October 26, 1917, over six months after the American entry into World War I, Gay was commissioned into the Regular Army as a cavalry officer. He was promoted to 1st lieutenant on October 26, 1917, and captain in July 1920. In his early career, he was a cavalry officer. As a captain, he tutored author Robert A. Heinlein in equitation and musketry.He transferred to the Quartermaster Corps June 11, 1934, and was promoted to major on August 1, 1935. He was promoted to lieutenant colonel on August 18, 1940, and then to colonel in the Army of the United States (AUS) on December 24, 1941, shortly after the United States entered World War II.