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Navy NEC · Engineering

V66B MK 41 Vertical Launching System (VLS) Advanced Technician (VAT)

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

The MK 41 Vertical Launching System advanced technician operates, maintains, isolates faults in, and repairs the launching system across its baseline configurations. This technician performs installation, check out, and troubleshooting procedures and uses built in, general purpose, and intermediate level test equipment to isolate faults and replace electrical or mechanical components at the lowest replaceable unit level.

Minimum clearance: Secret

Core Skills

  • Electrical and mechanical fault isolation
  • Built-in and intermediate-level system testing
  • Lowest replaceable unit component replacement
  • Launcher installation and checkout procedures

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

MK 41 experience isolating electrical and mechanical faults, operating test equipment, replacing components, and performing installation checkout transfers directly to industrial equipment diagnosis and repair.

How to prepare: Complete a hands-on industrial equipment troubleshooting course that applies electrical testing and component replacement to the equipment used by target employers.

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.
  • Set up and test industrial equipment to ensure that it functions properly.
  • Install repaired equipment in various settings, such as industrial or military establishments.
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 V66B

    [1] NEC entry "V66B - MK 41 Vertical Launching System (VLS) Advanced Technician (VAT)"; cached text line 14873; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Electrical and mechanical fault isolation, Built-in and intermediate-level system testing, Lowest replaceable unit component replacement, Launcher installation and checkout procedures, 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 V66B

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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