 After another reassignment, he was assigned as an instructor to a Naval Reserve Officers Training Corps program at the University of Michigan in Ann Arbor, Michigan.While instructing the Naval ROTC, Williams was also asked by the dean of the University of Michigan's School of Business to instruct 150 students in business and finance.After a year of teaching at the University of Michigan, Williams was discharged from the United States Navy with the military rank of lieutenant commander in 1947.