From 1978 to 1981, he commanded a Squadron in the 1st Special Forces Operational Detachment-D. Following Army Command and General Staff College, General Schoomaker served as the Squadron Executive Officer, 2nd Squadron, 2nd Armored Cavalry Regiment in Germany.
He commanded a Squadron in the 1st Special Forces Operational Detachment-D. Following Army Command and General Staff College, General Schoomaker served as the Squadron Executive Officer, 2nd Squadron, 2nd Armored Cavalry Regiment in Germany. This was from 1978 to 1981.