and/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. Provides tactical and technical support to Engineering/Production/Manufacturing by performing activities such as design, test, check-out, modification, fabrication, and assembly of prototype electro/mechanical systems, experimental design circuitry, laser/light transmission devices or specialized test equipment.