Bill Koski was enlisted in the Army of the United States from 12/06/1941 to 03/21/1946. He was honorably discharged to enlist in the Regular Army. Bill Koski enlisted in the Regular Army on 04/09/1946 and was honorably discharged on 04/18/1949 with rank of Corporal. During his military service Corporal Koski was stationed in England and Germany.