42 Technical consultation in the field of aerospace engineering; Engineering; engineering services, namely, engineering in the field of satellites; technical consultation in the field of engineering relating to satellites; technical consultation in the fields of aerospace defense, aerospace security, unmanned aircraft systems, remote sensing, sensors, aerial intelligence surveillance; consultancy in the fields of internet security, data security, computer security, and cyber security; computer software development and consultancy; engineering services, namely, engineering in the fields of electronic warfare, geolocation and direction finding; technical consultation in the field of engineering relating to electronic warfare, geolocation and direction finding; computer programming for others; computer programming and software design in the fields of modern air combat environments (MACE), distributed interactive simulation (DIS), electronic warfare (EW), joint terminal attack controller (JTAC) and other simulation applications; think tank services, namely, providing new ideas and concepts in the fields of satellites, aerospace defense, aerospace security, unmanned aircraft systems, remote sensing, aerial intelligence surveillance, electronic warfare, geolocation, direction finding, modern air combat environments (MACE), and joint terminal attack controller (JTAC)