42 Research, development, testing and evaluation of advanced manned and unmanned ships, boats, aircraft, amphibious craft and undersea vessels; research and development of control systems, autonomy, artificial intelligence, and digital twin solutions for vehicles, machinery systems, and electrical networks; research and development of advanced software and hardware solutions to minimize impact of epidemics on ships and improve logistical efficiencies; research and development of advanced software solutions for design of complex engineering systems; research and development of advanced cyber solutions that defend and exploit IT networks and cyberphysical solutions that protect engineering systems; research and development of advanced software and hardware solutions for control of power and energy networks; research and development of advanced materials, composites, and inflatable structures and additive and subtractive manufacturing processes; research and development of solutions for hypersonic vehicles; research and development services for autonomous systems; product development and engineering services for others; design and testing of new products for others; consulting services in the field of advanced technical engineering; engineering design services in the field of rapid prototyping, construction services and payload integration for marine vehicles and unmanned aircraft