MCO 5200.17F — Standardization Of Military And Associated Terminology

MCO 5200.17F governs Marine Corps coordination and standardization of military and associated terminology across DoD and allied activities.

Search MCO 5200.17F

  • Publication number: MCO 5200.17F
  • Title: STANDARDIZATION OF MILITARY AND ASSOCIATED TERMINOLOGY
  • Date: 10 Aug 2023
  • Proponent: 05000 General Admin & Management
  • Status: Current

View MCO 5200.17F on armypubs.army.mil


It establishes the DoD Dictionary as the primary terminology source for correspondence and sets criteria for proposing terms. It assigns terminology coordination, reporting, review, and repository-maintenance duties to Marine Corps organizations.

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

Topics covered

  • Military terminology standardization
  • DoD Dictionary usage
  • Terminology approval criteria
  • Terminology Repository
  • Marine Corps terminology positions
  • DoD and NATO terminology meetings

Questions and answers

What terminology source must DoD components use when preparing correspondence?

DoD components use reference (b) as the primary terminology source when preparing correspondence, to include policy, strategy, doctrine, and planning documents. (paragraph 4)

What criteria apply when considering terms for inclusion in the DoD Dictionary?

DoD components use the terminology and approval criteria in references (a) and (c) when considering terms for inclusion in reference (b). (paragraph 4)

What happens to terms that do not meet the criteria for inclusion in the DoD Dictionary?

Terms that do not meet the criteria for inclusion in reference (b) will be incorporated in the Terminology Repository in accordance with reference (c). (paragraph 4)

Who coordinates Marine Corps positions on terminology issues?

Act as the lead to consolidate and coordinate Joint Staff Action Package (JSAP) positions on terminology issues for the Marine Corps through the DC PP&O, Joint Staff Branch (JSB) in accordance with references (d), (e), and (f). (paragraph 4)

What must the Commanding General of Training and Education Command do for Marine Corps-unique terminology?

Maintain reference (g) for Marine Corps-unique terminology as a supplement to reference (b). (paragraph 4)

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