United States Marine Corps Forces Special Operations Command (MARSOC)

MARSOC is command that covers several United States Marine Corps special operations elements (excluding those remaining Force Recon elements dedicated to USMC ops). MARSOC itself is under the umbrella of SOCOM (Special Operations Command).

MARSOC consists of:

  • Marine Special Operations Regiment (MSOR)

    • 1 x Headquarters Company
    • 3 x Marine Special Operations Battalions (MSOBs)

      • 1st MSOB
      • 2nd MSOB
      • 3rd MSOB

      The MSOBs are MARSOC's combat units. MSOB operators are trained in direct action, special reconnaissance, foreign internal defense and unconventional warfare. MSOB Marines that have passed throught grueling training pipeline are known as Critical Skills Operators (CSO).

      Each MSOB contains 4 Marine Special Operations Companies (MSOCs). Each MSOC contains 4 Marine Special Operations Teams (MSOTs) which each comprise 3 4-man Fire Teams plus a Team Leader (Captain), Radio Operator and a Navy Corpsman.

      The 1st and 2nd MSOBs were initially formed from the corresponding existing 1st and 2nd Force Reconnaissance companies of the Marine Corps. The 3rd MSOB was eventually formed from the Marines Special Operations Advisor Group, a previous MARSOC unit, which specialized in foreign internal defence and unconventional warfare operations.

  • Marine Special Operations Support Group (MSOSG)
    MARSOC communications, intelligence, logistics and other support elements
    more info: Marine Special Operations Support Group

  • Marine Special Operations School (MSOS)
    Training and selection for MARSOC.

    more info : Critical Skills Operator selection & training


  • Direct Action (DA)
  • Special Reconnaissance (SR)
  • Foreign Internal Defense (FID)
  • Unconventional Warfare (UW)
  • Counterterrorism (CT)
  • Information Operations (IO)
  • Security Force Assistance (SFA)

MARSOC - Notable Operations

  • 2007 - present - Operation Enduring Freedom
  • 2007 - present - Iraq - Operation Iraqi Freedom

Marines on the MARSOC the Individual Training Course (ITC) pictured on an an exercise.
U.S. DoD photo by Cpl Thomas Provost

MARSOC Resources

msob rhib marsoc - m40a3 msob - photo marsoc - pistol MARSOC sniper
more MARSOC photos

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MARSOC Insignia
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Featured MARSOC Photo
MSOB photo
Marine Special Operations Battalion (MSOB) operators pictured at a firing range.
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Featured MARSOC Video
MARSOC video
MARSOC - Today Will Be Different
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