T-38 instructor pilot and flight examiner, Laughlin AFB, Texas December 1978 – November 1981, instructor pilot and assistant operations officer, 560th Flying Training Squadron, Randolph AFB, Texas November 1981 – November 1983, squadron standardization officer, flight commander and wing flight examiner, 67th Tactical Fighter Squadron, Kadena Air Base, Japan November 1983 – May 1985, chief of Air-to-Air Tactics Branch, Directorate of Standardization and Evaluation, Headquarters Pacific Air Forces, Hickam AFB, Hawaii May 1985 – September 1985, aide-de-camp to the Commander-in-Chief, U.S. Pacific Command, Camp H.M. Smith, Hawaii September 1985 – January 1987, Air Force aide to the Chairman of the Joint Chiefs of Staff, the Joint Staff, Washington, D.C. January 1987 – August 1987, assistant operations officer, 44th Tactical Fighter Squadron, and chief of Standardization and Evaluation Division, 18th Wing, Kadena AB, Japan August 1987 – June 1988, operations officer, 67th Tactical Fighter Squadron, Kadena AB, Japan June 1988 – January 1990, commander of 44th Fighter Squadron, Kadena AB, Japan January 1990 – August 1991, chief of Operations Inspection Division, Office of the Inspector General, Headquarters Pacific Air Forces, Hickam AFB, Hawaii June 1992 – August 1994, chief of Air Force Division, Headquarters U.S. Military Training Mission, and senior U.S. Air Force adviser to the Royal Saudi Air Force, Riyadh, Saudi Arabia August 1994 – May 1995, commander of 554th Support Group, Nellis AFB, Nevada May 1995 – April 1996, commander of 33rd Fighter Wing, Eglin AFB, Florida April 1996 – July 1998, commander of 56th Fighter Wing, Luke AFB, Arizona August 1998 – November 1999, chief of staff, Headquarters Allied Air Forces Southern Europe, Naples, Italy November 1999 – March 2000, assistant chief of staff for operations, A-3 Division, Headquarters Allied Air Forces Southern Europe, Naples, Italy April 2000 – October 2000, director for expeditionary aerospace force implementation, Deputy Chief of Staff for Air and Space Operations, Headquarters U.S. Air Force, Washington, D.C. October 2000 – May 2001, director of operational plans, deputy chief of staff for air and space operations, Headquarters U.S. Air Force, Washington, D.C. May 2001 – September 2002, director of aerospace operations, Headquarters Air Combat Command, Langley AFB, Virginia September 2002 – May 2003, commander of Alaskan Command, Alaskan North American Aerospace Defense Command Region and 11th Air Force, Elmendorf AFB, Alaska May 2003 – October 2005, commander of Alaskan Command, Alaskan North American Aerospace Defense Command Region, 11th Air Force and Joint Task Force