Research and development and consultation related thereto in the field of aerospace engineering; Design, testing, and analysis of mechanical, electrical and thermal components, namely, control electronics, control systems, structural elements and mechanisms, and thermal conditioning systems for spacecraft and aerospace systems in the field of aerospace engineering; Computer systems integration services; Engineering services, namely, engineering for the aerospace industry; Engineering and system analysis of control electronics for command and data handling, instrument control and data handling, board design, guidance navigation, and control systems and hardware, namely, electronics and sensors, and for spacecraft structural design, mechanism design and analysis, and aircraft design and analysis in the field of aerospace