Cryptologic Technicians (Collection) (CTR) operate sophisticated, state-of-the-art electronic signals analysis devices; perform analog and digital signal conversion; identify communications and non-communications signals; operate computer systems, networks, files, graphics software programs and associated computer peripherals; maintain and draft classified tactical and technical reports, files, records and publications; provide tactical signals analysis, technical guidance and information warfare support to fleet (surface, subsurface and air), joint, theater and national consumers in support of national security requirements.