Cryptologic technician (CT) is a United States Navy enlisted rating or job specialty. CTs are responsible for a wide range of cryptology related functions, ranging from hacking and computer repair to administration within a cryptology setting. CTs control the flow of messages and information. Their work depends on their special career area: The United States Navy (also known as USN or the U.S. Navy) is the branch of the United States armed forces responsible for conducting naval operations. ... In military service, an enlisted rank is generally any rating below that of a commissioned officer. ... Cryptography (from Greek kryptós, hidden, and gráphein, to write) is, traditionally, the study of means of converting information from its normal, comprehensible form into an incomprehensible format, rendering it unreadable without secret knowledge — the art of encryption. ... Look up hacking in Wiktionary, the free dictionary. ...

Specialties

• Administration (CTA) - Administrative and clerical duties that control access to classified material
• Interpretive (CTI) - Radiotelephone communications and foreign language translation
• Maintenance (CTM)- The installation, servicing and repair of electronic and electromechanical equipment
• Collection (CTR) – Morse code communications and operation of radio direction-finding equipment
• Technical (CTT) - Communications by means other than Morse code and electronic countermeasures
• Networks (CTN) - The newest of the CT ratings, CTNs plan and execute informational operations (IO) actions/counter-actions

Predominantly working on shore both overseas and within the United States, CTs have many opportunities for being deployed. Classified information is secret information to which access is restricted by law or corporate rules to a particular hierarchical class of people. ... Copy of the original phone of Graham Bell at the Musée des Arts et Métiers in Paris Telecommunication is the transmission of signals over a distance for the purpose of communication. ... A foreign language is a language not spoken by the indigenous people of a certain place: for example, English is a foreign language in Japan. ... Look up translate in Wiktionary, the free dictionary. ... In engineering, electromechanics combines electromagnetism and mechanics. ... 1922 Chart of the Morse Code Letters and Numerals Morse code is a method for transmitting information, using standardized sequences of short and long marks or pulses — commonly known as dots and dashes — for the letters, numerals, punctuation and special characters of a message. ... A countermeasure is a system (usually for a military application) designed to prevent weapons from acquiring and/or destroying a target. ...

Rating Changes

• On October 1, 2007 CTAs will be merged with Yeoman (YN), Legalman (LN), and Religious Programs Specialist (RP).
• Possible CTM merger in the distant future.
• CTOs have been merged with Information Systems Technician (IT).
• CTMs slated to be merged with Electronics Technician (ET), 2008.

October 1 is the 274th day of the year (275th in leap years) in the Gregorian Calendar. ... It has been suggested that Yeoman Farmer be merged into this article or section. ... This article needs to be cleaned up to conform to a higher standard of quality. ... Alternative meaning: Can refer to a civilian industrial occupation, testing or troubleshooting electronic systems. ...

See also

• List of United States Navy ratings

The United States Navy classifies its enlisted personnel with a system of rating (job speciality) and rate (military rank). ...

References

• Navy Personnel Command
• Article on CTN Rating

External links

• Enlisted Rating Insignia