Bachelor of Science in Physics with honours, University Missouri, 1968. Master of Science, Naval Postgraduate School, 1970. Master of Arts in Business Administration, New Mexico Highlands University, Las Vegas, 1972.
Diploma, Squadron Officer School, 1975. Diploma, Air Command and Staff College, 1978. Diploma, Air War College, 1986.
Commissioned Second lieutenant United States Air Force, 1968, advanced through ranks to general, 1997. Various assignments to director operations United States Air Force Space Command, Peterson Air Force Base, Colorado, 1994-1995. Special assistant to chief of staff United States Air Force, Washington, 1995-1996.
Associate director for military support Central Intelligence Agency, 1996-1997, deputy director, 1997-2000. Under secretary, administrator National Nuclear Security Administration United States Department Energy, 2000—2002. National director for counterterrorism, deputy national security advisory for combating terrorism National Security Council, 2002—2003.
Assistant to President, homeland security advisory The White House, 2003—2004. Board advisors VirtualAgility Inc., since 2005.