Cryptologic Technicians Interpretive are the Navy’s linguists. They specialize in analysis of foreign naval developments, radiotelephone communications and preparation of statistical studies and technical reports requiring knowledge of a foreign language. Language include Arabic, Russian, Spanish, Chinese, Korean, and Persian. A Defense Language Aptitude Battery (DLAB) test of 95 is required. Based on the DLAB score of 95-99 qualifies personnel for Spanish, Persian-Farsi, Russian. A DLAB score of 100 is required for the Arabic, Chinese and Korean languages.

The Cryptologic Technician Maintenance (CTM) branch offers a career in the installation, configuration, diagnosis, and repair of state-of-the-art electronic, computer, and network hardware and software systems. As with any CT rating, Applicants must be U.S. citizens and meet eligibility requirements for continuous access to sensitive compartmented information (SCI). Eligibility for a top secret clearance is determined by the results of a Single Scope Background Investigation (SSBI) followed by a reinvestigation every five years.

Cryptologic Technician Networks perfom a variety of duties associated with computer network operations across global networks. A combination of technical and analitical computer network skills provides the situational awareness required to plan and execute information operations (IO) actions/ counter-actions.

Cryptologic Technician Collection (CTR)s perform a variety of duties worldwide at numerous overseas and stateside shore commands, aboard surface ships, aircraft and submarines. Duties include performing collection, analysis and reporting on communication signals using computers, specialized computer-assisted communications equipment, video display terminals and electronic/magnetic tape recorders.

Cryptologic Technicians Technical (CTT) perform a variety of specialized duties associated with the collection and processing of airborne, shipborne, and land-based radar signals. They operate electronic intelligence receiving and direction finding systems, digital recording devices, analysis terminals, and associated computer equipment. Systems they operate produce high-power jamming signals used to deceive electronic sensors and defeat radar guided weapons systems. Additionally, intelligence derived from collection and processing update national databases which are crucial to tactical and strategic units throughout the world.

Intelligence Specialists are involved in collecting and interpreting intelligence especially secret information about enemies or potential enemies. They analyze photographs and prepare charts, maps, and reports that describe in detail the strategic situation all over the world.

Information Systems Technicians design, install, operate, and maintain state-of-the-art informations systems. This technology includes local and wide area networks, mainframe, mini and microcomputer systems and associated peripheral devices. They also write programs to handle the collection, manipulation and distribution of data for a wide variety of applications and requirements. They perform the functions of a computer system analyst, operate telecommunications sytems including automated networks and the full spectrum of data links and circuits.