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 Cryptologic Technician - Interpretive (CTI)


NEW! - CTI Community Overview - ALL EMCs - NEW!

CTI Persian & Arabic Community Overview                                                     CTI Chinese & Korean Community Overview

CTI Spanish Community Overview                                                                CTI Russian Community Overview

CTI career path

CTI Help Wanted


CT_rating_symbolGeneral Description

Cryptologic Technicians (Interpretive) are the Navy's language and culture experts.  CTIs attend language training at the Defense Language Institute (DLI), in Monterey, California and cryptologic training at Goodfellow Air Force Base in San Angelo, Texas.  They specialize in the analysis of foreign language materials and the preparation of statistical studies and technical reports.  Language training is open to men and women in Arabic, Chinese, Korean, Persian-Farsi, Russian, and Spanish.  Language assignment is determined by the Enlisted Community Manager, based on Navy requirements with input from the Sailor.  

What They Do

  • operate sophisticated, state-of-the-art radio receivers, recording devices, computer terminals and associated peripherals in the communications signals environment

  • operate sophisticated, computer-assisted information systems

  • work with classified material

  • translate, interpret and transcribe foreign language material

  • analyze and report technical information of strategic and tactical importance to fleet commanders and national intelligence agencies

  • perform temporary duty aboard a variety of naval surface and subsurface vessels and aircraft


Working Environment
On shore duty, CTIs normally work in clean, comfortable office-type or small technical laboratory-type environments.  Sea duty is performed on a variety of air, surface and subsurface platforms and with naval special warfare teams.  At times they are closely supervised but often work independently or in small, coordinated teams.  Their work is of high interest to command and national-level decision makers.  The work is mostly mental, involving foreign language materials. 

Rating Entry Requirements

  • Conversion checklist
  • ASVAB composite of: GS + MK + VE = 162 -and- a minimum DLAB score of 110
  • Must have normal hearing
  • Must be a U.S. Citizen
  • SSBI required
Notes:  Prospective CTIs must be a U.S. citizen and all immediate family members must be U.S. citizens or citizens of countries listed in ICD-704 as low risk countries.  Moral turpitude offense(s) are generally disqualifying.  Personal security screening interview will be conducted by a U.S. Fleet Cyber Command special security representative.  Former members of the Peace Corps are not eligible.
  • Must be world-wide assignable
  • Candidates must be a high school graduate or equivalent (GED, CPT, home study or other equivalency)
  • All applicants for CTI are required to volunteer for duty involving aerial flight and for duty onboard submarines
  • DLAB requirement for all languages is 110.  Request for DLAB tests through MEPS or NETPDC Pensacola, FL

***Language and DLAB tests are widely available.*** A list of testing sites can be located under the

“How can I schedule a Defense Language Aptitude Battery (DLAB) or a Defense Language Proficiency Test (DLPT)?” tab on the NETC FAQ page, located here:

Contact Information
CTI TECHAD: (901) 874-2653

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