Consultation and technical assistance in the fields of avionics, submarines, ships, mobile and fixed site earth-based facilities, satellites and related information systems namely information security, communications, microwave products and telemetry and instrumentation, designing computer systems for software integration, maintenance and user-information services, administrative support services, operations support services, maintenance and planning support services and provisioning and provisioning contal support services for satellite control networks, real-time defense communications systems and real-time defense collection systems; designing computer systems for engineering support for satellite launches, deployed communication systems and deployed intelligence collection systems; consultation and technical assistance in the fields of information and intelligence security services for secure and non-secure voice, data, and video communications, user authorization, recognition and message encryption, and making available custom designed strategic and tactical signal intelligence services; consultation and technical assistance in the fields of secure communications, avionics, telemetry, program management, product customization, integration and test support, equipment deployment and operations, and network and communications link management