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Navy Cryptologic Technician Networks (CTN) Rating

New Rating Replaces CTA, CTM, and CTO


Updated May 31, 2014

The Cryptologic Technician - Networks branch offers a career in computer Networks. CTN's perform a variety of duties associated with computer network operations across global networks. About 600 men and women serve worldwide in the CTN rating. Advanced training in computer network operations, using state-of-the-art technology is readily available. Within a short period, today’s CTN quickly develops highly marketable computer network skills. A combination of technical and analytical computer network skills provides the situational awareness required to plan and execute informational operations (IO) actions/counter-actions. Initial training is located in Pensacola, Florida.

Duties performed by CTNs include:

  • Provide technical expertise in network-centric operations.
  • Detect, protect, react and respond to threats against Navy networks.
  • Defend against external and internal threats through in-depth technical and non-technical methods.
  • Computer Network Risk Mitigation.
  • Network Vulnerability Assessments and Incident Response/ Reconstruction.
  • Active computer network defense, access tool development and computer/network forensics.

Working Environment

CTNs are assigned to computer networking system departments and divisions. They may be assigned to either day work or shift work in a large facility or one of the individual or two-person independent duty assignments at sea or ashore. Departments and divisions are usually divided into specialized mission area shops and are normally air-conditioned, well-lighted, and completely equipped.

A-School (Job School) Information

Corey Station, FL/Pensacola, FL - Around 6 months

ASVAB Score Requirement: AR + 2*MK + GS = 222

Security Clearance Requirement: Top Secret (Single Scope Background Investigation Required)

Other Requirements

  • Must be a U.S. Citizen
  • Immediate family members must be U.S. Citizens
  • Moral turpitude offense(s) are generally disqualifying
  • Personal security screening interview required
  • Former members of the Peace Corps are not eligible
  • Candidates must be a high school graduate or equivalent (GED, CPT, home study or other equivalency). If not a diploma graduate, applicant must provide a high school transcript verifying successful completion of the 10th grade.

Sub-Specialties Available for This Rating: Navy Enlisted Classification Codes for CTN

Current Manning Levels for This Rating: CREO Listing

Note: Advancement ( promotion ) opportunity and career progression are directly linked to a rating's manning level (i.e., personnel in undermanned ratings have greater promotion opportunity than those in overmanned ratings).

Sea/Shore Rotation for This Rating

  • First Sea Tour: N/A months
  • First Shore Tour: N/A months
  • Second Sea Tour: N/A months
  • Second Shore Tour: N/A months
  • Third Sea Tour: N/A months
  • Third Shore Tour: N/A months
  • Fourth Sea Tour: N/A months
  • Forth Shore Tour: N/A months

Due to the unique nature and specific skill sets required by sailors in the various CT communities, career paths are defined by INCONUS (inside the U.S.) and OUTCONUS (outside the U.S.) tours, instead of sea/shore rotations. Sailors can expect to serve on various tours outside the continental United States and/or overseas tours which count as sea duty, during their career.

CTNs can expect a rotation of one INCONUS tour, followed by two OUTCONUS tour, ect., until they reach the rank of E-8. E-8s and E-9s can expect a rotation of one INCONUS four, foollowed by one OUTCONUS tour, ect., during their careers.

Much of the above information courtesy of the Navy Personnel Command

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