Thomas A. Brooks retired from the U.S. Navy as a Rear Admiral. Brooks was a career intelligence officer, serving in assignments afloat and ashore, including in Vietnam. He served as Director of Naval Intelligence from 1988 to 1991. Upon retirement from the Navy, Admiral Brooks began a second career with AT&T, holding a senior position with the firm until 2001. Subsequently, he was a faculty member at the National Defense Intelligence College for nine years, where he taught courses on intelligence history, warning, and industry-intelligence relationships. He has written extensively on intelligence-related subjects.