Colonel Robert W. Ralston was commissioned a Quartermaster Officer upon graduation from Officer Candidate School Class 1-73, 16 January 1973. His first duty assignment was as Assistant S-3, Division Support Command, 9th Infantry Division, Fort Lewis, Washington. | His subsequent assignments include: Truck Platoon Leader, 9th Supply and Transportation Battalion, 9th Infantry Division, Fort Lewis, Washington; Supply Platoon Leader, 9th Supply and Transportation Battalion, 9th Infantry Division, Fort Lewis, Washington; Operations Officer, Combat Equipment Group, Europe, Mannheim, Germany; Company Commander, 502nd Supply and Transportation Battalion, 2nd Armor Division, Fort Hood, Texas; Battalion S-3, 502nd Supply and Transportation Battalion, 2nd Armor Division, Fort Hood, Texas; Brigade S-4, 172nd Light Infantry Brigade, Fort Richardson, Alaska; Battalion Executive Officer, 548th Supply and Service Battalion, Fort Drum, New York; Division Artillery S-4, 10th Division Artillery, 10th Infantry Division, Fort Drum, New York; Assistant G-4 Supply, 10th Infantry Division, Fort Drum, New York; Reserve Component Advisor, Readiness Group Sheridan, Fort Sheridan, Illinois; Battalion Commander, 302nd Forward Support Battalion, 2nd Infantry Division, Camp Casey, Korea; Executive Officer, Division Support Command, 2nd Division Support Command, 2nd Infantry Division, Camp Casey, Korea; Army Readiness Officer, Defense Logistics Agency, Fort Belvoir, Virginia; Commander, Contingency Support Team, Defense Logistics Agency, TArizonaar, Hungary; Director, Disposal Policy, Defense Logistics Agency, Fort Belvoir, Virginia; Commander, U.S. Army Garrison, Fort Lee, Virginia; Assistant Deputy Chief of Staff, Logistics, U.S. Army Europe and 7th Army, Heidelberg, Germany.