The Tower Commission had a National Security Advisor who had served in what previous capacity?
Tower Commission:  Reagan appointed Republican and former Senator John Tower of Texas, former Secretary of State Edmund Muskie, and former National Security Advisor Brent Scowcroft. Brent Scowcroft: Brent Scowcroft ( ; born March 19, 1925) is a retired United States Air Force lieutenant general who was the United States National Security Advisor under U.S. Presidents Gerald Ford and George H. W. Bush.
United States Air Force lieutenant general