42 Engineering services, new product research and development, and design and testing for new product development, relating to aeronautics, aerospace, and defense; Consulting services in the field of product design and development relating to aeronautics, aerospace, and defense; Research and development and consultation related thereto in the field of aeronautics, aerospace, and defense; Planning, design and management of information technology systems relating to aeronautics, aerospace, and defense; Engineering services in the field of systems engineering; Aircraft design; Aircraft systems integration; Design of computer programs and software relating to aircraft, aeronautics, aerospace, and defense