1
February 1992–April 1992, Student, Basic Military Training, Lackland Air Force Base, Texas
2
April 1992–June 1992, Student, Security Forces Academy, Lackland AFB, Texas
3
July 1992–December 1994, Flight Security Controller, 321st Missile Security Squadron, F.E. Warren AFB, Wyo. (December 1993–March 1994, Security Specialist, 4404th Composite Wing (Provisional), King Abdul Aziz Air Base, Kingdom of Saudi Arabia)
4
December 1994–June 1996, United States Air Forces in Europe - Air Forces Africa Elite Guardsman, USAFE Special Security Squadron, Ramstein AB, Germany
5
June 1996–June 1998, VIP Protection to the Commander, Air Forces Southern, Naples, Italy
6
June 1998–August 2001, Patrolman and Standardization Evaluation, 3rd Security Forces Squadron, Elmendorf AFB, Alaska (May 2000–September 2000, Personal Security Officer to the Commander, 363rd Air Expeditionary Wing, Prince Sultan Air Base, Kingdom of Saudi Arabia)
7
August 2001–August 2002, Noncommissioned Office in Charge, Security Forces Administration, Anti-Terrorism/Force Protection, 13th Space Warning Squadron, Clear Air Force Station, Alaska
8
September 2002–February 2004, Desk Sergeant, 3rd Security Forces Squadron, Elmendorf AFB, Alaska
9
February 2004–December 2007, Airman Leadership School and Noncommissioned Officer Academy Instructor, Elmendorf Professional Military Education Center, 3rd Wing, Elmendorf AFB, Alaska
10
December 2007–October 2008, Flight Chief, 3rd Security Forces Squadron, Elmendorf AFB, Alaska
11
October 2008–March 2011, NCOIC, Operations and Superintendent, Logistics, 375th Security Forces Squadron, Scott AFB, Ill. (June 2009–December 2009, Superintendent, Entry Control Point Operations, 532nd Expeditionary Security Forces Squadron, Joint Base Balad, Iraq)
12
March 2011–August 2013, Security Forces Manager, 435th Security Forces Squadron, Sembach Kaserne and Pulaski Barracks, Germany
13
August 2013–August 2014, Squadron Superintendent, 673rd SFS, Joint Base Elmendorf-Richardson, Alaska
14
August 2014–February 2016, Commandant, Elmendorf Professional Military Education Center, 673rd Air Base Wing, Joint Base Elmendorf-Richardson, Alaska
15
February 2016–June 2017, Command Chief Master Sergeant, 3rd Wing, Joint Base Elmendorf-Richardson, Alaska
16
June 2017–July 2018, Command Chief Master Sergeant, 1st Special Operations Wing, Hurlburt Field, Florida. (August 2017–October 2017, Senior Enlisted Leader, Combined Joint Special Operations Air Component, Afghanistan, Bagram Airfield, Afghanistan)
17
July 2018–September 2020, Senior Enlisted Leader, Alaskan North American Aerospace Defense Command Region and Alaskan Command, and Command Chief Master Sergeant, 11th Air Force, Joint Base Elmendorf-Richardson, Alaska
18
September 2020–February 2024, Command Chief Master Sgt., Pacific Air Forces, Hickam Field, Hawaii
19
February 2024–August 2025, Command Chief Master Sergeant, Air Combat Command, Joint Base Langley-Eustis, Va.
20
December 2025–present, Chief Master Sergeant of the Air Force, the Pentagon, Arlington, Va.