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Navy Enlisted Rating (Job) Descriptions

Cryptologic Technician - Collection (CTR)

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CTRs 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.

The duties performed by CTRs include:

  • providing in-depth analysis on a variety of complex digital communications signals using sophisticated communications equipment and computer technology to provide critical intelligence information;
  • providing analysis and technical guidance and targeting information to weapons systems while assigned to ships and submarines;
  • operating sophisticated state-of-the-art strategic and tactical signals collection and analysis systems;
  • locating ships, aircraft and submarines using sophisticated direction finding technology;
  • originating reports and briefs for operational commanders both ashore and afloat.

Working Environment

CTR functions are performed indoors at various shore activities and aboard ships, submarines or aircraft. Personnel may expect a clean, orderly working space, frequent contact and coordination with others and close supervision. CTRs may be assigned to temporary duty aboard Navy aircraft. Additionally, male CTR members may be assigned to duties aboard a Navy submarine.

A-School (Job School) Information

  • Correy Station, FL -- 114 calendar days

ASVAB Score Requirement: VE + AR = 110

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

Other Requirements

  • Must have normal hearing
  • 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 CTR

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.

CTIs can expect a rotation of one INCONUS tour, followed by two OUTCONUS tour, ect., during their careers.

Much of the above information courtesy of the Navy Personnel Command

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