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Navy NEC · Engineering

720C Naval Special Warfare (NSW), Combatant-Craft Medium Support Engineer

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

A Naval Special Warfare Combatant Craft Medium Support Engineer maintains, troubleshoots, and repairs craft propulsion equipment, ancillary engineering equipment, and hull structures in isolated wartime environments. The engineer services diesel engines, marine transmissions and drives, hydraulic systems, pumps, electrical components, wiring, isolation systems, fire suppression equipment, dewatering systems, and composite, carbon fiber, and aluminum hulls.

Minimum clearance: Secret

Core Skills

  • Marine diesel propulsion and transmission repair
  • Hydraulic steering and stabilization system repair
  • Galvanic and ground isolation system troubleshooting
  • Composite, carbon fiber, and aluminum hull repair

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 Electronic Engineering Technologists and Technicians

Troubleshooting CCM electrical controls, electronic displays, and associated wiring transfers to diagnosing and repairing electronic equipment.

How to prepare: Complete a hands-on electronics diagnostic lab covering component testing and wiring-diagram interpretation.

What the civilian work involves
  • Modify, maintain, or repair electronics equipment or systems to ensure proper functioning.
  • Replace defective components or parts, using hand tools and precision instruments.
  • Set up and operate specialized or standard test equipment to diagnose, test, or analyze the performance of electronic components, assemblies, or systems.

Notes & Sources

Evidence for this guidance (2 documents)
  1. NAVPERS 18068F Vol II (NEOCS, Jul 2026 edition): NEC 720C

    [1] NEC entry "720C - Naval Special Warfare (NSW), Combatant-Craft Medium Support Engineer"; cached text line 16980; NAVPERS 18068F Vol II, 2026-07 edition

    Supports: Marine diesel propulsion and transmission repair, Hydraulic steering and stabilization system repair, Galvanic and ground isolation system troubleshooting, Composite, carbon fiber, and aluminum hull repair, Electrical and Electronic Engineering Technologists and Technicians (O*NET 17-3023.00)

  2. O*NET: Electrical and Electronic Engineering Technologists and Technicians

    [2] O*NET 30.3 occupational data

    Supports: Electrical and Electronic Engineering Technologists and Technicians (O*NET 17-3023.00)

Defense contractor jobs for 720C

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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