Leland was inducted on 18 Sep 1941 at Ft Leavenworth. He served at Ft Warren, WY, Officer Candidate School at Camp Lee, VA. He was on active duty from 31 July 1942 until 21 Feb 1946, and served as the Chief of Enlisted Men's Clothing Branch, Supply Division, in the SHAEF Office of the Quartermaster General. He was presented with the Bronze Star Medal on 16 August 1945 by Major General Robert M. Littlejohn, Chief Quartermaster, European Theater of Operations, SHAEF. Leland was discharged from the reserve with a rank of Major on 1 April 1953. He also received the European, African - Middle Eastern Campaign Medal, WWII Victory Medal, American Defense Service Medal, WWII Honorable Service lapel button, and the French - Normandy Medal of Jubilee of Liberty.