Marine Corps Acronyms/Abbreviations

This page is a starting point for recruit families to learn the thousands of acronyms for the Marine Corps.

A great reference, taken directly from an official USMC publication, can be viewed in a PDF file from our website: Acronyms & Abbreviations

Examples of Marine Corps Abbreviations:

  • FOB: Forward Operating Base
  • MAG: Marine Aircraft Group
  • MAW: Marine Aircraft Wing
  • MEB: Marine Expeditionary Brigade
  • MEF: Marine Expeditionary Force
  • MEU: Marine Expeditionary Unit
  • MSPF: Maritime Special Purpose Force
  • MWCS: Marine Wing Communications Squadron
  • CAAT: Combined Anti-Armor Team

    Field Artillery Units are not referred to as a Company; they are called
    a "Battery". As an example, E Btry 2Bn 11th MAR. You will know this is a Field
    Artillery Unit where "E" is the "Battery" rather than a company name.

Structure of a Regiment:

  • 5 Marines to a Fire Team (5)
  • 3 Fire Teams to a Squad (15)
  • 4 Squads to a Platoon (60)
  • 4 Platoons to a Company (240)
  • 5 Companies to a Battalion (1200)
  • 5 Battalions to a Regiment (6000)
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