MCO 8400.6A — Licensing Procedures For Ground Ordnance Vehicle Operators

MCO 8400.6A governs the selection, training, testing, and licensing of Marine Corps ground ordnance vehicle operators.

Search MCO 8400.6A

  • Publication number: MCO 8400.6A
  • Title: LICENSING PROCEDURES FOR GROUND ORDNANCE VEHICLE OPERATORS
  • Date: 27 Apr 2021
  • Proponent: 08000 Ordnance Material
  • Status: Current

View MCO 8400.6A on armypubs.army.mil


It covers operator screening, medical standards, permits, written and skills testing, training, corrective action, and records. It also establishes requirements for licensing documentation, test administration, facilities, and dirt-road and cross-country driving.

Applies to: This Order is applicable to the Marine Corps Total Force.

Topics covered

  • Ground ordnance vehicle operator selection
  • Operator medical screening
  • OF 346 licensing
  • Written and computer-based testing
  • Skill performance testing
  • Dirt-road and cross-country driving
  • License suspension and revocation

Questions and answers

What determines an applicant’s knowledge of a ground ordnance vehicle?

The application of a written/computer based test will determine the applicant’s knowledge of the vehicle(s) for which they will receive an OF 346. (paragraph 2)

What does the skill performance test assess?

The purpose of this test is to assess the applicant’s ability to safely operate the vehicle for which they are to be issued an OF 346. (paragraph 3)

When does a suspension become a revocation?

Suspension periods exceeding twelve months in duration shall be considered a revocation. (paragraph 3-46)

What is the minimum visual acuity requirement for a ground ordnance vehicle license?

The minimum visual acuity requirement to obtain a ground ordnance vehicle license is 20/40, with or without correction. (paragraph 1)

Which applicants receive National Driver Register inquiries?

The inquiries described in this Section are accomplished for all applicants applying for an initial OF 346, Government Vehicle Operator’s Identification Card, those applying for reinstatement of license after revocation or suspension, or at the discretion of the commander. (paragraph 3-46)

Ask Reggie.Bot a question about MCO 8400.6A