Marine Security Guard (MSG)

MGySgt to PFC - FMOS


The MSG will be assigned to duty to one of 170 plus MSG detachments around the world. The MSG will provide armed internal security to designated U.S. Diplomatic and Consular facilities to prevent the compromise of classified information and equipment vital to the national security of the Unites States. As part of the MSG detachment, the detachment member's secondary mission is to provide protection for U.S. Citizens and U.S. Government property located within designated U.S. Diplomatic and Consular premises during exigent circumstances, which require immediate aid or action. The detachment member will be physically and mentally capable of enduring a direct counter-intelligence and combat environment, master interior guard procedures, is proficient with security, anti-terrorism, and counter espionage tactics. The MSG member must also be knowledgeable in law enforcement techniques, small arms handling and employment, emergency first aide, force continuum, less than lethal application, and entry and access control procedures.


  • Must meet the prerequisites prescribed in MCO P1326.2E w/ch2 and pass a pre-screening interview with a member of the MSG screening team.


  • Complete the Marine Security Guard School.


  • For a complete list of duties and tasks, refer to the Marine Security Guard Training and Readiness Manual.

Related SOC Classification/SOC Code:

  • Security Guards 33-9032.

Related Military Skill:

  • None