MCO 5510.18B — United States Marine Corps Information And Personnel Security Program...

MCO 5510.18B governs minimum standards for the Marine Corps Information and Personnel Security Program.

Search MCO 5510.18B

  • Publication number: MCO 5510.18B
  • Title: UNITED STATES MARINE CORPS INFORMATION AND PERSONNEL SECURITY PROGRAM...
  • Date: 30 Jan 2017
  • Proponent: 05000 General Admin & Management
  • Status: Current

View MCO 5510.18B on armypubs.army.mil


It addresses command security management, security education, information security, personnel security, industrial security, and NATO information security. It requires controls for classified information, security training, inspections, emergency destruction planning, and access management.

Applies to: This Order applies to all personnel (e.g., Marines, Navy personnel assigned/attached to a Marine Corps command, government civilian employees, contractors and consultants) employed by, and/or working in any element of the Marine Corps.

Topics covered

  • Command security management
  • Classified information control
  • Personnel security investigations
  • Security education and training
  • Industrial security
  • NATO information security
  • Emergency destruction planning

Questions and answers

What training must Command Security Managers and Assistant Security Managers complete?

Command Security Managers and Assistant Security Managers shall attend the Marine Corps Security Management Course within 180 days of appointment.

How must classified material intended for destruction be handled?

Commanding Officers shall establish procedures to ensure that all classified material intended for destruction is destroyed by authorized means and by appropriately cleared personnel. (paragraph 2)

What is required when NATO classified information may have been compromised?

All suspected or possible compromise of NATO classified NSI shall be reported immediately to the Command Security Manager and Control Point Officer. (paragraph 1-5)

What must happen before NATO classified information access is granted?

Receipt of the NATO briefing shall be verified prior to granting access to NATO classified NSI. (paragraph 1)

When may a personnel security investigation be requested?

Requests for PSI shall only be submitted on individuals in cases where a bona fide requirement exists for access to classified NSI or occupation of a sensitive position/position of trust. (paragraph 1)

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