technical design services, technology development services, and technical consulting in the field of integrated defense and warfare systems; technical consulting in the field of defense and warfare systems training; computer-aided design and engineering services for others; engineering services and engineering design services in the field of integrated defense and warfare systems; technical consulting for and engineering of defense systems for government and military purchasers, namely, defense system planning, selection of particular weapons, and development and deployment of defense technologies; technical design and support services in the field of integrated missile defense and warfare systems; software design and development for integrated missile defense and warfare systems and training related thereto; design and development services for guided missiles, guided artillery, mortar shells, rockets, and unmanned aerial vehicles; design and development services for missiles and warfare systems that provide protection against hostile missiles, aircraft, rockets, shells, and unmanned aerial vehicles; technical consulting and technical support in the field of missile defense and warfare systems