Colonel Edward L. Landry was commissioned an Ordnance Officer upon graduation from Officer Candidate School Class 6-47, 26 June 1947. His first duty assignment was as Maintenance Officer, 404th Ordnance Direct Support Maintenance Company, Seoul, Korea. | His subsequent duty assignments include: Commanding Officer, 35th Ordnance Anti-Aircraft Artillery Maintenance Detachment, Japan; Commanding Officer, 603rd Ordnance Base Artillery and Fire Control Company, Japan; Aircraft Maintenance Officer, 45th Light Aircraft Maintenance Company, Fort Bragg, North Carolina; Aircraft Maintenance Officer, 3rd Infantry Division, Combat Aviation Company, Fort Benning, Georgia; Maintenance and Service Platoon Leader, 4th Transpiration Company, Fort Benning, Georgia; Executive Officer, 8th U.S. Army Maintenance Center, Korea; Special Project Officer, U.S. Army Transportation Materiel Command, St. Louis, Missouri; Deputy Director, U.S. Army Aviation Maintenance Training Division, Fort Eustis, Virginia; Army Aviation Maintenance General Staff Officer, Office of the Deputy Chief of Staff for Logistics, Europe; Commanding Officer, 14th Transportation Battalion, Republic of Vietnam; Deputy Commanding Officer, 34th General Support Group, Republic of Vietnam; General Staff Officer, Aviation Logistics, Office of the Deputy Chief of Staff for Logistics, Washington D.C. | Following his retirement, Colonel Landry served as a consultant to various engineering and acquisition firms.