[2][3] He was a student at the University of Texas at Austin for a year, then began attendance at the United States Military Academy.

[11][a] From October 1906 to August 1907, Moses was assigned as artillery engineer and ordnance officer for the District of Charleston, South Carolina.

[13] From September to December 1911, Moses was assigned to Fort Caswell, North Carolina, and he was promoted to major of Coast Artillery in October 1911.

[14] From November 1914 to August 1917, Moses was assigned to duty with the Army General Staff in Washington, D.C.[14] He was promoted to lieutenant colonel of Coast Artillery in May 1917, a month after the American entry into World War I.

[14] In August 1917, Moses was promoted to temporary colonel and assigned to command the 81st Division's 316th Field Artillery Regiment at Camp Jackson, South Carolina.

[14] He remained in command of the regiment during its organization and training for World War I, and its July 1918 departure for combat in France.

[14] After returning to the United States, Moses was assigned to New York City as chairman of the Joint Board of Review for Redelivery of Troop Transports, and he remained in this post until May 1920.

[14] The joint board was responsible for returning the ships the U.S. military had seized for wartime use, and for agreeing to payment terms with their owners.

By his administrative ability, excellent judgment, energy, and tact, he rendered conspicuous services in bringing about speedy and accurate settlements with the ship owners, which resulted in a large saving to the Government.

[15] Moses commanded the 2nd Coast Artillery District at Fort Totten from November 1929 to February 1930, and was promoted to permanent brigadier general in January 1930.

[15] Moses performed unassigned staff duty from October 1935 to January 1936, and was promoted to major general in December 1935.

[19] Part of the Seaver Center for Western History Research, the Moses/Reed papers include maps, photos, lecture notes, and other materials accumulated by Andrew Moses and Frank Reed during their military careers.