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United StatesMarine Corps
• USMC Organization • USMC Missions• USMC Doctrine• Operating Forces of the USMC• Future Trends
Overview
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
• 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
Commandant of the Marine Corps
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
• Maneuver– 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
Doctrine
• The heart of the Marine Corps– Fleet Marine Forces–Marine Security Guard Battalion–Marine Corps Security Forces• Installations• Ships
Operating Forces
• Two Fleets– Atlantic Fleet– Pacific Fleet
• Expeditionary in nature–Marine Air-Ground
Task Force (MAGTF)
Fleet Marine Forces
• 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
MAGTF
• Principle war-fighting organization in USMC– Commanded by Lt Gen– Deploys with 60-day supply of materials
• Only 3 MEFs in entire Marine Corps
Marine Expeditionary Force (MEF)
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
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
• 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
Special PurposeMAGTF
• 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
Marine Division
Marine Aircraft Wings
• Consists of– 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
• Composite grouping of functional components that provide combat support service to the MAGTF
Force Service Support Groups
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
• USMC Organization • USMC Missions• USMC Doctrine• Operating Forces of the USMC• Future Trends
Summary
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