Calvert Hinton Arnold participant of World War I
Military career
During World War I, Arnold enlisted in the Georgia National Guard. In August 1917, he was commissioned in the infantry. From 1922 to 1927, he returned to Mercer University, obtained a Bachelor of Art degree and graduated from the Army Industrial College. Prior to World War II, Arnold graduated from the General Staff School and Army Staff College.During World War II, Arnold was stationed in the Pacific Theater. He was chief signal officer in the Netherlands East Indies and the Southwest Pacific from January 1942 to May 1943. During the middle of the war, he was commandant of the Central Signal Corps from 1943 to 1945. Arnold was promoted to brigadier general in January 1945. As brigadier general, he served in the office of the chief signal officer from 1945 to 1949. For his role, Arnold was awarded the Legion of Merit.