Specialty Summary. Supervises and performs Communications-Computer Systems (C-CS) operations and executes associated information systems support programs, both in garrison and at deployed locations. Performs network management, control, and administration on DoD local, metropolitan, wireless and wide area networks, and Command, Control, Communications, Computer (C4) and Intelligence systems, Defense Message Systems (DMS), Automated Message Handling Systems (AMHS), command and control, and various functional area systems. Administers and manages overall Information Assurance (IA) program to include Communications Security (COMSEC), Emissions Security (EMSEC) and Computer Security (COMPUSEC) programs. Provides information systems life-cycle management.