In May 1992, after graduating from the cryptologic language analyst course at Goodfellow Air Force Base, Texas, he was assigned as systems operator and collection manager at Wheeler Army Airfield, Hawaii.

[4] From March 1999 to August 2007, Towberman deployed to RAF Mildenhall, United Kingdom, as superintendent for standardization and evaluations and flight chief for airborne operations of the 488th Intelligence Squadron.

After that stint, he was assigned to the Pentagon as senior enlisted advisor to Shon J. Manasco, the assistant secretary of the Air Force (manpower & reserve affairs).

[4] He relinquished responsibility as command senior enlisted leader in August 2020 after a permanent replacement, U.S. Marine Corps Master Gunnery Sergeant Scott H. Stalker, was chosen.

[4] Throughout his career, he has filled myriad leadership roles at the squadron, group, wing, and numbered Air Force level, while stateside and deployed on Operations Joint Forge, Allied Force, Northern Watch, Southern Watch, Iraqi Freedom, Enduring Freedom, and Unified Protector.