Lieutenant Colonel Tompkins graduated from the University of Pennsylvania in May 2003, attended the Officer Candidate Course in October 2003, and was commissioned as a Second Lieutenant in December 2003. After graduating from The Basic School in July 2004, he attended Aviation Pre-Flight Indoctrination in Pensacola, Florida, Primary Flight School in Corpus Christi, Texas, and completed Advanced Flight School in Pensacola, Florida, receiving his wings in April 2006. He selected the AH-1 platform and attended the Replacement Air Group at Camp Pendleton, California, completing initial training in December 2006.
Lieutenant Colonel Tompkins was assigned to Marine Light Attack Helicopter Squadron 167, Marine Aircraft Group 29, 2d Marine Aircraft Wing, Marine Corps Air Station New River, North Carolina from January 2007 until November 2011. During this time, he held the billets of Schedule Writer, S-4b Officer, Quality Assurance Officer, and Future Operations Officer/Pilot Training Officer. During this time he also deployed to OIF from September 2007-March 2008 (deployed with Marine Light Attack Helicopter Squadron 773, Marine Aircraft Group 42, 4th Marine Aircraft Wing, Naval Air Station Atlanta, Georgia) and OEF/OIF from February-August 2009.
He was next assigned to Marine Special Operations Company F, 2d Marine Special Operations Battalion, Marine Special Operations Command, Jacksonville, North Carolina from December 2011 until May 2013. During this assignment Lieutenant Colonel Tompkins served as the Marine Special Operations Regimental Air Officer and as the Marine Special Operations Company F Air Officer. He deployed to OEF from August 2012-March 2013 as the Advanced Operations Base West Air Officer.
Lieutenant Colonel Tompkins then executed Orders to Marine Aviation Weapons and Tactics Squadron One, Marine Air Ground Task Force Training Command, Marine Corps Air Station Yuma, Arizona from June 2013 until June 2016. He served as an AH-1 Instructor Pilot and as AH-1 Division Head during this timeframe. Upon completion of duties as an Instructor Pilot, he attended the United States Army Command and General Staff College in Fort Leavenworth, Kansas and the University of Kansas for graduate education from 2016 to 2017.
His most recent assignment was to Marine Light Attack Helicopter Squadron 367, Marine Aircraft Group 24, 1st Marine Aircraft Wing, Marine Corps Air Station Kaneohe Bay, Hawaii from 2017-2020. During this timeframe Lieutenant Colonel Tompkins served as the Marine Light Attack Helicopter Squadron 367 Tactics and Aircraft Maintenance Officer from 2017 to 2018. He then was assigned as the Aide-de-Camp to the Commander, Marine Corps Forces Pacific, Camp Smith, Hawaii from 2018 to 2019, and then returned to Marine Light Attack Helicopter Squadron 367 where he served as the Executive Officer from 2019-2020.
Lieutenant Colonel Tompkins holds a Bachelor of Arts in Political Science and Communication from the University of Pennsylvania, and a Master of Arts in International Studies from the University of Kansas. He is a graduate of the Weapons and Tactics Instructor Course, the Tactical Air Control Party Course, the Aircraft Maintenance Officer Course, and the Survival, Evasion, Resistance, and Escape Course.
His personal decorations include the Meritorious Service Medal, the Air Medal Individual Action (with V), Air Medal Strike/Flight (with numeral 8), the Navy and Marine Corps Commendation Medal (with Two Gold Stars), and the Navy and Marine Corps Achievement Medal (with Gold Star).