42 Providing advanced engineering services across the fields of space superiority, directed energy, missile defense, C4ISR (Command, Control, Communications, Computers, Intelligence, Surveillance, and Reconnaissance), cyber and intelligence analysis; research and development, testing and deployment of advanced directed-energy weapons and direct-energy weapon defense systems, advanced missile defense systems, advanced command and control systems, reconnaissance systems, communications systems, electronic warfare systems, advanced unmanned ground vehicle and air systems simulation systems; research and development, testing and deployment of military training systems, namely, battlefield and flight simulation; cybersecurity services, namely, conducting cybersecurity risk assessments, measuring cyberattack vulnerability, and mitigating cyber risk; engineering services, namely, engineering in the field of satellites; technological services, namely, scientific research, analysis, testing, and deployment services in the field of satellites; technological services, namely, scientific research, analysis, testing, and deployment services in the fields of aerospace defense, unmanned aircraft systems, remote sensing, sensors, aerial intelligence surveillance; technology advisory services in the fields of internet security, data security, computer security, secure communications and cyber security; computer software development; engineering services, namely, engineering in the fields of electronic warfare, radio frequency, geolocation and direction finding; technological services, namely, scientific research, analysis, testing, and deployment services in the fields of electronic warfare, radio frequency, geolocation and direction finding