Sgt. Stephen Dillon, Rusty Hatch and Matthew Dennison make up the Roadmaster Section aboard Marine Corps Base Quantico. They are responsible for enforcing the rules of the road for government vehicles and conducting inspections and accident investigations. - Sgt. Stephen Dillon, Rusty Hatch and Matthew Dennison make up the Roadmaster Section aboard Marine Corps Base Quantico. They are responsible for enforcing the rules of the road for government vehicles and conducting inspections and accident investigations.