1. June 1986 – September 1987, student, undergraduate pilot training, Sheppard AFB, Texas
2. September 1987 – August 1988, student, T-38 lead-in fighter training and F-16 training, Holloman AFB, N.M., and Luke AFB, Ariz.
3. August 1988 – December 1991, F-16 aircraft commander and instructor pilot, Shaw AFB, S.C.
4. January 1992 – June 1992, student, F-16 Fighter Weapons School, Nellis AFB, Nev.
5. July 1992 – July 1993, weapons officer and flight commander, 35th Fighter Squadron, Kunsan AB, South Korea
6. July 1993 – July 1997, assistant operations officer and air-to-ground flight commander, F-16 Division, U.S. Air Force Fighter Weapons School, Nellis AFB, Nev.
7. July 1997 – June 1998, student, Air Command and Staff College, Maxwell AFB, Ala.
8. June 1998 – June 1999, Chief, Air Superiority Weapons Branch, Global Power Programs, Office of the Assistant Secretary of the Air Force for Acquisition, the Pentagon, Washington, D.C.
9. June 1999 – June 2000, Chief, Fighter Programs, Office of Legislative Liaison, Office of the Secretary of the Air Force, the Pentagon, Washington, D.C.
10. June 2000 – April 2001, operations officer, 555th Fighter Squadron, Aviano AB, Italy
11. April 2001 – July 2002, Commander, 510th Fighter Squadron, Aviano AB, Italy
12. August 2002 – June 2003, student, Industrial College of the Armed Forces, National Defense University, Fort Lesley J. McNair, Washington, D.C.
13. June 2003 – August 2004, Chief, Joint Plans and Operations, Supreme Headquarters Allied Powers Europe, Mons, Belgium
14. August 2004 – July 2005, senior special assistant to the Supreme Allied Commander Europe and Commander, U.S. European Command, Supreme Headquarters Allied Powers Europe, Mons, Belgium
15. July 2005 – December 2006, Commander, 57th Adversary Tactics Group, Nellis AFB, Nev.
16. January 2007 – August 2008, Commander, 35th Fighter Wing, Misawa AB, Japan
17. September 2008 – August 2009, Commander, 613th Air and Space Operations Center, Hickam AFB, Hawaii
18. August 2009 – July 2010, Vice Commander, 13th Air Force, Hickam AFB, Hawaii
19. July 2010 – April 2012, Commander, 57th Wing, Nellis AFB, Nev.
20. April 2012 – August 2013, Deputy Director for Politico-Military Affairs for Asia, Joint Staff, the Pentagon, Washington, D.C.
21. August 2013 – October 2014 – Director for Operations, Headquarters, United States Pacific Command, Camp H.M. Smith, Hawaii
22. December 2014 – July 2016, Deputy Commander, United Nations Command Korea; Deputy Commander, U.S. Forces Korea; Commander, Air Component Command, Republic of Korea/U.S. Combined Forces Command; and Commander, 7th Air Force, Pacific Air Forces, Osan AB, South Korea
23. July 2016 – May 2018, Commander, Pacific Air Forces; Air Component Commander for U.S. Pacific Command; and Executive Director, Pacific Air Combat Operations Staff, Joint Base Pearl Harbor-Hickam, Hawaii
24. May 2018 – present, Commander, USNORTHCOM; Commander, NORAD