Colonel Stephen P. Moeller was commissioned an Air Defense Artillery Officer upon graduation from Officer Candidate School on 13 April 1972. His first duty assignment was as Platoon Leader with the 3d Battalion, 4th Air Defense Artillery at Fort Bragg, North Carolina. | His subsequent duty assigments include: Commander, Battery A, 3d Battalion, 4th Air Defense Artillery, Fort Bragg, North Carolina; Commander, Headquarters and Headquarters Battery, 3d Battaion, 60th Air Defense Artillery, Grafenwhoer, Germany; Commander, Battery A, 3d Battalion, 60th Air Defense Artillery, Grafenwhoer, Germany; Executive Officer, 3d Battalion 68 Air Defense Artillery, Fort Bragg, North Carolina; Executive Officer, United States of America Strategic Defense Command, Arlington, Virginia; Operations Officer, Joint Chiefs of Staff, J-3, Pentagon, Washington, D.C.; Commander, 3d Battalion, 52d Air Defense Artillery, Wildflecken, Germany; Deputy Brigade Commander, 10th Air Defense Artillery Brigade, Saudi, Arabia; Director, Combinged Arms and Tactical Department, Fort  Bliss, Texas; Commander, Redstone Arsenal Support Activity and Deputy Post Commander, Redstone Arsenal, Alabama.