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Navy NEC · Communications

C26B AN/SSQ-137 Cryptologic Systems Maintenance Instructor/Assessor

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

A Navy Enlisted Classification: a skill designation sailors hold in addition to their rating.

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Overview

An AN/SSQ-137 Cryptologic Systems Maintenance Instructor and Assessor directs, integrates, and manages cryptologic systems maintenance. The instructor and assessor evaluates material and operational readiness, manages alignment, and sustains equipment and personnel readiness throughout the Optimized Fleet Response Plan.

Minimum clearance: TS/SCI

Core Skills

  • Material and operational readiness assessment
  • Cryptologic equipment alignment coordination
  • Fleet-cycle equipment and personnel readiness sustainment

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Electrical and Electronics Repairers, Commercial and Industrial Equipment

Directing cryptologic systems maintenance, managing alignment, and evaluating equipment readiness provide a foundation for commercial and industrial electronics maintenance.

How to prepare: Complete a hands-on industrial electronics troubleshooting lab covering fault diagnosis, operational testing, and maintenance-log documentation.

What the civilian work involves
  • Test faulty equipment to diagnose malfunctions, using test equipment or software, and applying knowledge of the functional operation of electronic units and systems.
  • Maintain equipment logs that record performance problems, repairs, calibrations, or tests.
  • Set up and test industrial equipment to ensure that it functions properly.
Civilian tools and software (examples)
  • Circuit evaluation software
  • Computerized maintenance management system CMMS

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC C26B

    [1] NEC entry "C26B - AN/SSQ-137 Cryptologic Systems Maintenance Instructor/Assessor"; cached text line 3168; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Material and operational readiness assessment, Cryptologic equipment alignment coordination, Fleet-cycle equipment and personnel readiness sustainment, Electrical and Electronics Repairers, Commercial and Industrial Equipment (O*NET 49-2094.00)

  2. O*NET: Electrical and Electronics Repairers, Commercial and Industrial Equipment

    [2] O*NET 30.3 occupational data

    Supports: Electrical and Electronics Repairers, Commercial and Industrial Equipment (O*NET 49-2094.00)

Defense contractor jobs for C26B

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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