Fleet Marine Force Combat Operation Insignia
The Fleet Marine Force Combat Operations Insignia is a miniature 5⁄16 inch bronze United States Marine Corps emblem that may be awarded and authorized for wear on specific campaign, expeditionary, and service medal ribbons issued to United States Navy service members on duty with and attached to Fleet Marine Force (FMF) units during combat operations and naval personnel on duty with navy units attached to and operating with Fleet Marine Force units while under Marine Corps control during combat operations. 
FMF combat device criteria and wear
Service ribbon with the FMF
Combat Operations Insignia
for the Iraq Campaign Medal
The Fleet Marine combat insignia must be authorized by the Marine Corps unit commander in order to be worn by U.S. Navy service members such as hospital corpsmen and chaplains attached to Marine Corps units and Seabees assigned to naval units operating with Marine Corps units. The sailor and the Marine Corps unit must have engaged in active combat action with an armed enemy during the sailor's service with the Marine Corps unit, or the sailor and the navy unit must have engaged in active combat action with an armed enemy during the navy unit's operating service with the Marine Corps unit. No more than one Marine Corps emblem may be worn on the ribbons.
The Fleet Marine device is positioned in the center of the medal's suspension ribbon and in the center of the service ribbon for the medal. Any other authorized ribbon device such as the 3⁄16 inch service star or campaign star, are placed on either side of the FMF device, with the first star on the wearer's right of the FMF device, the second star on the wearer's left of the FMF device, and so on.
The FMF insignia may be worn on the following medals and service ribbons:
Current issued medals:
- Armed Forces Expeditionary Medal (July 1, 1958-)
- Afghanistan Campaign Medal
- Iraq Campaign Medal
- Global War on Terrorism Expeditionary Medal
Past issued medals:
- Kosovo Campaign Medal
- Southwest Asia Service Medal
- Vietnam Service Medal
- Korean Service Medal
- Asiatic-Pacific Campaign Medal
- European-African-Middle Eastern Campaign Medal
(Medal of Honor recipients - WW II, Korean War, Vietnam War)
(Medal of Honor recipient - Vietnam War)
- DoD Awards Manual 1348. 33, V3, P. 1, 1. (2) (authorized service devices)
- "Navy and Marine Awards Manual" (PDF). SECNAVINST 1650.1H. United States Navy. Retrieved 1 August 2012.
- "Manual of Military Decorations and Awards: DoD-Wide Performance and Valor Awards; Foreign Awards; Military Awards to Foreign Personnel and U.S. Public Health Service Officers; and Miscellaneous Information" (PDF). DoD Manual 1348.33, Vol. 3. Department of Defense. Retrieved 31 July 2012.
- http://www.npc.navy.mil/CommandSupport/USNavyUniforms/UniformRegulations/Chapter5/5301.htm[dead link]