October 1972 - July 1973, instructor pilot training,
Randolph AFB, Texas
July 1973 - September 1977, instructor pilot and chief, check section, 96th Flying Training Squadron,
Williams AFB, Arizona
September 1977 - January 1979, staff officer, Air Staff Training Program, Deputy Chief of Staff for Personnel, the Pentagon, Washington, D.C.
January 1979 - August 1981, student, A-7 Corsair conversion training, A-7D aircraft commander, flight commander and assistant operations officer, 76th Tactical Fighter Squadron,
England AFB, Louisiana
August 1981 - June 1982, student, Air Command and Staff College, Maxwell AFB, Alabama
June 1982 - July 1986, Air Staff officer, Deputy Chief of Staff for Plans and Operations; Project Checkmate analyst for interdiction, Europe and Southwest Asia; Air Force team chief, Joint Assessment and Initiative Office, and executive officer to the Air Force Director of Operations, the Pentagon, Washington, D.C.
July 1986 - July 1989, Chief of Safety, later, Assistant Deputy Commander for Operations, 354th Tactical Fighter Wing,
Myrtle Beach AFB, South Carolina
July 1989 - June 1990, student, Army War College, Carlisle Barracks, Pennsylvania
June 1990 - August 1992, Commandant, NATO School, SHAPE, Oberammergau, Germany
August 1992 - September 1993, Vice Commander, later, Commander, 27th Fighter Wing,
Cannon AFB, New Mexico
September 1993 - June 1995, Assistant Director of Operations, Headquarters Air Combat Command,
Langley AFB, Virginia
June 1995 - July 1997, Commander, 4th Fighter Wing,
Seymour Johnson AFB, North Carolina
July 1997 - August 1998, Vice Commander, 7th Air Force and U.S. Air Forces Korea, and Chief of Staff, Combined Republic of Korea and U.S. Air Component Command,
Osan Air Base, South Korea
September 1998 - December 1999, Commandant, Air War College, and Vice Commander, Air University, Maxwell AFB, Alabama
December 1999 - November 2001, Commander, Air Force Doctrine Center, Maxwell AFB, Alabama
November 2001 - October 2003, Deputy Commander, United Nations Command; Deputy Commander, U.S. Forces Korea; Commander, Air Component Command, Republic of Korea and U.S. Combined Forces Command; and Commander, 7th Air Force, Pacific Air Forces, Osan AB, South Korea
October 2003 - November 2005, Deputy Commander, U.S. Central Command,
MacDill AFB, Florida
November 2005 - November 2007, Commander, U.S. Joint Forces Command, and NATO Supreme Allied Commander for Transformation, Norfolk, Virginia