1. United States Marine Corps1 1 1 1

2. Overview USMC Organization USMC Missions USMC Doctrine
Operating Forces of the USMC
Future Trends 2 2 2 2

3. Organization Commandant of the Marine Corps Separate military service
Serves under the Dept of Navy
Reports to Secretary of the Navy
No Secretary of the Marine Corps
Responsible for operational readiness for the entire corps 3 3 3 3

4. Commandant of the Marine Corps
Three Fundamental Groupings
HQ USMC “executive branch” of Dept of Navy
Professional assistance to Sec of Navy
Coordinates actions of USMC organizations
Assist in communication between SecDef & combatant commanders in time of war
Operating forces (field units)
Supporting establishment 4 4 4 4

5. Missions Organize, train, & equip Fleet Marine Forces
Furnish security detachments & organizations
For service on naval vessels
For protection of naval property at naval stations & bases
Perform duties directed by the President
Amphibious operations 5 5 5 5

6. Doctrine Maneuver Combined Arms Shatter enemy’s cohesion
Attack from position of advantage (not straight on)
Exploitation of time and space
Combined Arms
If enemy counter-acts one attack, he must be vulnerable to another 6 6 6 6

7. Operating Forces The heart of the Marine Corps Fleet Marine Forces
Marine Security Guard Battalion
Marine Corps Security Forces
Installations
Ships 7 7 7 7

8. Fleet Marine Forces Two Fleets Expeditionary in nature Atlantic Fleet
Pacific Fleet
Expeditionary in nature
Marine Air-Ground Task Force (MAGTF) 8 8 8 8

9. MAGTF Provides forces of combined arms for service with the fleet
Operate forward from the sea
NOT an echelon of command
Organizational structure similar to an “expeditionary air wing”
Four elements
Command Element, Ground Combat Element, Aviation Element, and Combat Service Support Element 9 9 9 9

10. Marine Expeditionary Force (MEF)
Principle war-fighting organization in USMC
Commanded by Lt Gen
Deploys with 60-day supply of materials
Only 3 MEFs in entire Marine Corps 10 10 10 10

11. Marine Expeditionary Brigade (MEB)
Commanded by O-7
Deploys with 30-day supply
Forward deployed aboard “Amphibious Ready Group”
Immediate responsive sea-based MAGTF
Meet forward presence & limited power projection requirements

12. Marine Expeditionary Unit (MEU)
Commanded by O-6
Deploys with 15-day supply
Forward deployed aboard “Amphibious Ready Group”
Immediate responsive sea-based MAGTF
Meet forward presence & limited power projection requirements 11 11 11 11

13. Special Purpose MAGTF
Organized to accomplish specific missions that are inappropriate for MEF, MEB or MEU
Draws combat forces from
Marine Divisions
Marine Air Wings
Force Service Support Groups 12 12 12 12

14. Marine Division Basic ground component of Marine Corps
Execute amphibious assault operations
Marine Divisions
HQ battalion
3 infantry units
Artillery regiment
Separate tank, recce, engineer, & amphibious assault battalions
Light armored infantry battalion 13 13 13 13

15. Marine Aircraft Wings Consists of Two primary missions
Two or more tactical squadrons
Logistics squadron
Air base squadrons
Two primary missions
Supporting air component of fleet marine forces
Conduct land ops essential to prosecution of naval campaign 14 14 14 14

16. Force Service Support Groups
Composite grouping of functional components that provide combat support service to the MAGTF 15 15 15 15

17. Future Trends USMC is changing dramatically (end of Cold War)
PAST: Massive frontal assault
TODAY: “over the horizon” attack at night— anytime, anywhere
Enhanced ops capabilities & tactical weapons systems
Function better in joint environment 16 16 16 16

18. Summary USMC Organization USMC Missions USMC Doctrine
Operating Forces of the USMC
Future Trends 2 2 2 2