Colonel Randall E. Krug was commissioned an Infantry Officer upon graduation from Officer Candidate School, 1 September 1970. His first duty assignment was as Platoon Leader, B Company, 1st Battalion, 127th Infantry, Wisconsin Army National Guard. | His subsequent duty assignments include: Platoon Leader, A company, 2nd Battalion, 127th Infantry, Wisconsin Army National Guard; Executive Officer, Detachment Commander, A Company, 2nd Battalion, 127th Infantry, Wisconsin Army National Guard; S3 Air, 1st Battalion, 48th Infantry 3rd Armored Division, Germany; S4, 1st Battalion, 48th Inantry, 3rd Armored Division, Germany; Staff Officer, State Area Command, Wisconsin Army National Guard, Madison; Battalion Motor Officer, 1st Battalion, 126th Field Artillery, Wisconsin Army National Guard; Assistant Professor of Military Science, University of Wisconsin, LaCrosse, Wisconsin; Simulation and Technology Officer, National Guard Bureau, Washington D.C.; Commander, 1st Battalion, 126th Field Artillery, Wisconsin Army National Guard; Executive Officer (Deptuy Program Manager ) Project SIMITAR, Defense Advanced Research Projects Agency (DARPA); Training Technologies and Strategies Officer, National Guard Bureau; Program Manager, Defense Advanced Research Projects Agency, Washington D.C.