The Operating Forces are further subdivided into three categories: Marine forces assigned to Unified Combatant Commands, Marine Corps Security Forces guarding naval installations, and Marine Security Guard detachments at American embassies. Under the "Forces for Unified Commands" memo, Marine forces are assigned to each of the regional unified combatant commands at the discretion of the Secretary of Defense and with the approval of the President. Since 1991, the Marine Corps has maintained component headquarters at each of the regional unified combatant commands.[1]
Since the U.S. Marine Corps and the U.S. Army both believe that their combat capabilities overlap each other, they have both historically viewed the other branch as encroaching on their capabilities and have competed for money, missions, and fame. The Marines grew to a field strength of six divisions during World War II, including the 5th Marine Division (United States) and the 6th Marine Division (United States). Both were disbanded after the war.
Most significantly, in the aftermath of World War II, Army efforts to restructure the American defense establishment involved the dissolution of the Marine Corps and the folding of its capabilities into the other services. Leading this movement were such prominent Army officers as General Dwight Eisenhower, who later became the President of the United States, and Army Chief of StaffGeorge C. Marshall.[2]
Both the Chief of Naval Operations (CNO) and Commandant of the Marine Corps (CMC), heads of their respective services, report directly to the Secretary of the Navy (SECNAV). As a result, the Navy and Marine Corps have a close relationship, more so than with other branches of the United States Armed Forces. Recent whitepapers and promotional literature have commonly used the phrase "Navy-Marine Corps Team".[3][4] This relationship stems from the Navy providing transport, logistical, medical, and religious service as well as combat support to put Marine units into the fight where they are needed. Conversely, Marines are responsible for conducting land operations to support naval campaigns, including the seizure of naval and air bases. All Marine Aviation programs except for specific command and control and air defense programs are funded by the Navy. Marine Corps officers are assigned to the Office of Chief of Naval Operations (OPNAV) Air Warfare Branch (N98) to represent Marine Aviation interests and serve as "action officers" (viz., staff members).[5] By Congressional mandate, the OPNAV Director, Expeditionary Warfare Branch (N95) is filled by a Marine general.
The Marine Corps cooperates with the Navy on many institutional support services. The corps receives a significant portion of its officers from the United States Naval Academy and Navy Reserve Officer Training Corps (NROTC), which are partially staffed by Marines. Marine Corps drill instructors contribute to training naval officers in Officer Candidate School. Marine aviators are trained in the Naval Aviation training pipeline, and utilize naval-weapons and test-pilot schools. Currently, Navy aircraft carriers deploy with a Marine Hornet squadron alongside Navy squadrons. The Navy's Blue Angels flight team includes at least one Marine pilot and is supported by a Marine C-130 Hercules aircraft and crew.
Since the Marines do not train chaplains or medical personnel, officers and enlisted sailors from the Navy fill these roles. Some of these sailors, particularly Hospital Corpsmen, generally wear Marine uniforms emblazoned with the Marine insignia but US Navy name tags in order to be distinct to compatriots but indistinguishable to enemies. The Marines also operate a network security team in conjunction with the Navy. Marines and sailors share the vast majority of branch-specific awards, with Marines earning the Navy Cross, the highest honor awarded short of the Medal of Honor (which Marines also are awarded, in the Navy version of the Medal of Honor), and other like medals; while an example of the few Marine-only awards is the Good Conduct Medal.
Today, the basic framework for deployable Marine units is the Marine Air-Ground Task Force (MAGTF), a flexible structure that can vary in size. A MAGTF is composed of four elements: the command element (CE), the ground combat element (GCE), the aviation combat element (ACE) and the logistics combat element (LCE).[6] A MAGTF can operate independently or as part of a larger coalition. It is a temporary organization formed for a specific mission and dissolved after completion of that mission.
The MAGTF structure reflects a strong tradition in the Corps towards self-sufficiency and a commitment to combined arms, both essential assets to an expeditionary force often called upon to act independently in discrete, time-sensitive situations. The history of the Marine Corps as well has led to a wariness towards relying too much on its sister services, and towards joint operations in general[citation needed].
Each of the seven MEUs are assigned to their respective Navy fleet as components of the Fleet Marine Force: three to the Atlantic Fleet (based at Camp Lejeune), and four to the Pacific Fleet (three based at Camp Pendleton and one in Okinawa). Each is commanded by a colonel with a combat arms background thus, infantry or aviator. The MEU components consist of a command element, ground combat element, aviation combat element, and a logistics combat element each commanded by a lieutenant colonel. MEU rotations are staggered so that while one MEU is on deployment, another is training to deploy, and one is standing down to refit and exchange units. Each MEU is trained during its workup evolution to perform special operations tasks and is then designated as an MEU(SOC) (Special Operations Capable). Each MEU can tailor its equipment to the expected tasking.
MEU Components:
Command Element
Aviation Combat Element (a composite squadron organized with a variety of platforms)
Ground Combat Element (an infantry battalion, known as the "Battalion Landing Team", task-organized and reinforced with other organic elements such as armor, artillery, and engineers)
Logistics Combat Element (provides the six functional areas of combat service support to the MEU)
Typically, a MEU falls under the operational control of but no longer deploys as part of an Expeditionary Strike Group (which replaced the Amphibious Ready Group), composed of Navy amphibious ("L-class") ships (a LHD or LHA to serve as the flagship of the Amphibious Squadron, LSD(s), and LPD(s) that embark the MEU), escort ships (such as the Arleigh Burke-classdestroyer, Ticonderoga-classcruiser, and a Los Angeles-classsubmarine), and the requisite landing vehicles to transport the MEU ashore, such as the LCAC, LCU surface craft, Amphibious Assault Vehicle (though the MEU can utilize its helicopter lift assets embarked aboard the LHD or LHA). The theater component commander can use the ESG in its entirety or detach units as needed, though the MEU usually remains aboard the ships of the ESG to use it as their principal base of operations. This ability to remain at sea and "over the horizon" until called is a unique capability of the ESG/MEU.
The basic organization of Marine Corps infantry units follows the "rule of threes", which places three subordinates under a commander, not counting support elements.[7] The organization and weapons are from the Marine Corps Table of Organization and Equipment (TOE) standard. Note that these are principles, but according to manpower and mission needs units can deviate from the TOE (e.g. with four subordinate units instead of three, or a commander who is a rank above or below the rank specified). Supporting units will have their own organization and equipment, but generally also follow the "rule of threes".
A fire team, is the basic element of the GCE. It consists of four Marines: the team leader, corporal (E-4) (M4/M16 with attached M203), one rifleman, rank of Pvt/E-1 (M4/M16), one assistant automatic rifleman, rank of PFC/E-2 (M4/M16), and one automatic rifleman, rank of LCpl/E-3 (M27 Infantry Automatic Rifle or M249 light machine gun).
A rifle squad, usually led by a sergeant, is made up of three identical fire teams.
A rifle platoon, commanded by a 2nd or 1st lieutenant, consists of three rifle squads, and a headquarters element made up the platoon commander, a platoon sergeant, a platoon guide, and a messenger. (One or more Navy Medical Corpsman are usually attached to the platoon from the battalion's medical platoon.) The platoon sergeant, usually a staff sergeant, advises the commander and serves as the second-in-command. The platoon guide, usually a sergeant, serves as the assistant platoon sergeant. A rifle platoon is capable of integrating attachments from the weapons platoon (e.g., assault squad or machine gun squad) and may include a two-man mortar forward observer team attached from the battalion's 81-mm mortar platoon.
A weapons platoon, usually commanded by a 1st lieutenant and assisted by a gunnery sergeant as the platoon sergeant, will substitute for the rifle squads:[8][9]
a 60mm mortar section, with a staff sergeant as section leader and consisting of three mortar squads, with each squad led by a corporal as squad leader and containing one M224 mortar and three Marines.;
an assault section, led by a sergeant as section leader and consisting of three assault squads, with each squad led by a corporal and containing two teams, with each team consisting of a SMAW and two Marines; and
a medium machine gun section, led by a staff sergeant as section leader and consisting of three machine gun squads, with each squad led by a sergeant as squad leader and containing two teams, which each team led by a corporal as team leader and containing one M240G and three Marines).
A rifle company, commanded by a captain as the commanding officer (CO) and assisted by a 1st lieutenant as the company executive officer (XO) who serves as second-in-command, consists of three rifle platoons, a weapons platoon, and a company headquarters, which, in addition to the two officers, includes the first sergeant, company gunnery sergeant, property NCO, and a messenger/driver.
A weapons company, commanded by a major and assisted by a captain as XO, will substitute for the rifle platoons an 81mm mortar platoon, an anti-armor platoon, and a heavy machine gun platoon. In deference to the more extensive training requirements and complicated tactical considerations necessitated by the crew-served weapons employed by the weapons company, its platoon commanders are usually 1st lieutenants and the platoon sergeants are gunnery sergeants. The company headquarters includes a master sergeant as the operations chief (in lieu of the company gunnery sergeant) and an additional messenger/driver.
A headquarters and service company, commanded by a captain and assisted by a 2nd or 1st lieutenant as the XO, contains the battalion headquarters, which includes the command section (including the battalion CO, battalion XO, and the sergeant major), the executive staff sections (S-1, S-2, S-3, S-4, & S-6), and the chaplain section. The company consists of a company headquarters section, a scout sniper platoon, a communications platoon, a service platoon, and a medical platoon.
A Marine division, commanded by a major general as the commanding general (CG) and assisted by a brigadier general as the assistant division commander, usually consists of three infantry regiments, an artillery regiment, several separate battalions (i.e., reconnaissance, assault amphibian, tank, light armored reconnaissance, and combat engineer), and a headquarters battalion.
The unit designation brigade is only used in the Marine Corps in the form of a Marine Expeditionary Brigade (MEB), an intermediate sized Marine Air Ground Task Force (MAGTF). The MEB is usually commanded by a brigadier general as CG, who is assisted by a colonel as the chief of staff (CoS) of the MEB's general staff and who is "dual-hatted" as the MEB's second-in-command. The MEB consists of three regimental equivalent combat elements (ground, air, and logistics) and a battalion-sized headquarters element. The ground combat element (GCE) consists of a Regimental Combat Team (RCT), which is a heavily reinforced infantry regiment (including field artillery, infantry reconnaissance, amphibious assault vehicle, tank, light armored reconnaissance, and combat engineer units), itself roughly equivalent to a US Army Infantry Brigade Combat Team. The air, or aviation, combat element (ACE) consists of a composite Marine Aircraft Group containing several helicopter, tilt rotor, tactical fixed wing, and UAV squadrons and/or detachments, as well as aviation ground support, command and control, and air defense units. The MAG is roughly equivalent in terms of numbers of aircraft and personnel to a US Army Combat Aviation Brigade. The logistics combat element (LCE) consists of a combat logistics regiment (CLR) consisting of combat logistics battalions (CLB), and specialized logistical companies and detachments to support the MAGTF. The headquarters, or command, element (CE) consists of specialized companies and detachments that perform various command, control, communications, surveillance, reconnaissance, intelligence, law enforcement, and liaison functions.
Two unique unit designations to the Marine Corps are Marine Expeditionary Unit (MEU) and Marine Expeditionary Force (MEF) MAGTFs. The MEU is the smallest MAGTF and consists of approximately 2,200 personnel. Commanded by a colonel with a lieutenant colonel as XO, it consists of a battalion landing team (BLT), a reinforced infantry battalion, as its GCE and a Marine Medium Tiltrotor Squadron (VMM), reinforced with detachments of helicopters, tactical fixed wing, and UAV aircraft, as well as aviation ground support, command and control, and air defense detachments, as its ACE. The MEU's LCE consists of a CLB, and its CE is a company-sized version of the MEB's battalion-sized headquarters group. The MEF is the Marine Corps's equivalent tactical command level to an army corps. The MEF has a lieutenant general as CG with a major general as deputy CG. The MEF consists of a Marine Division as its GCE, a Marine Aircraft Wing as its ACE, a Marine Logistics Group as its LCE, and a regimental-sized MEF Headquarters Group (MEF HQG) as its CE.
In World War II, two more Marine Divisions were formed: the 5th and 6th, which fought in the Pacific War. These divisions were disbanded after the end of the war. The 5th Marine Division was reactivated for service in Vietnam but was disbanded again in the early 1970s.
The mission of Marine Corps aviation is to provide the MAGTF commander with an aviation combat element (ACE) capable of conducting air operations in support of the seizure and defense of advanced naval bases, and conducting such land operations as may be directed by the Joint Force commander.
Squadrons of 5–27 aircraft (depending upon aircraft type), tactically organized into sections of 2–3 aircraft and divisions of 2–3 sections, as needed for mission requirements (squadrons may also be organized with one or more detachments, containing two or more aircraft, for deployment requirements), commanded by a lieutenant colonel
Groups of 4–12 squadrons (average of 7 squadrons per group) and a group headquarters, commanded by a colonel
Wings of two or more Marine aircraft groups (MAG), a Marine air control group, and Marine wing headquarters squadron, and a Marine wing headquarters, commanded by a major general as the wing CG with a brigadier general as the assistant wing commander.
Beyond logistics (i.e., motor transport, supply, and maintenance), the LCE provides engineer support (i.e., heavy equipment, bulk fuel and water, utilities, bridging, explosive ordnance disposal, and reinforcement to combat engineer units), medical and dental personnel, and other specialized units (e.g., aerial delivery and landing support).
Although the notion of a Marine special warfare contribution to the U.S. Special Operations Command (USSOCOM) was considered as early as the founding of USSOCOM in the 1980s, it was resisted by the Marine Corps. Then Commandant Paul X. Kelley expressed the popular belief that Marines should support Marines, and that the Corps should not fund a special warfare capability that would not support Marine operations.[10]
However, resistance from within the Marine Corps dissipated when Marine leaders watched the Corps' "crown jewels"—the 15th and 26th MEU (Special Operations Capable) {MEU(SOC)s}—sit on the sidelines during the early stages of Operation Enduring Freedom while other special warfare units led the way.[11] After a three-year development period, the Marine Corps agreed in 2006 to supply a 2,700-strong unit, Marine Forces Special Operations Command (MARSOC), which would answer directly to USSOCOM.[12]
The Marine Special Operations Command is the Marine Corps's special operations component that reports to United States Special Operations Command (USSOCOM). Currently, MARSOC trains, organizes, equips and, when directed by the Commander, USSOCOM, deploys task organized, scalable, and responsive U.S. Marine Corps special operations forces worldwide in support of combatant commanders and other agencies.
The MSOAG, formerly the FMTU, has been operating since 2005, before MARSOC formally existed. MARSOC was formally activated during a February 24 ceremony at Camp Lejeune, N.C., where MARSOC is now headquartered. Fox Company, 2nd Marine Special Operations Battalion, was the first of the Marine Special Operations Battalions' companies to activate in the Spring of 2006. Drawing its manpower from the core of 2nd Force Reconnaissance Co., Fox Company's creation came at the expense of 2nd Force Reconnaissance Co., which stood down upon the transfer of its platoons to both MARSOC's 2nd Marine Special Operations Battalion, and a new company (Delta) of 2nd Reconnaissance Battalion.
A fireteam is the basic element of the Marine Special Operations Regiment. Like fireteams in the infantry, MSOR fireteams consist of four Marines; a team leader/grenadier, an automatic rifleman, an assistant automatic rifleman and a rifleman.
A Marine Special Operations Team (MSOT) is made up of three fireteams, in addition to a captain as a team leader, a radio operator and a Navy corpsman.
A Marine Special Operations Company (MSOC), made up of four MSOTs and commanded by a major.
A Marine Special Operations Battalion, made up of four MSOCs and commanded by a lieutenant colonel.
The three Marine Special Operations Battalions (MSOBs) are:
MARSOC also contains a Marine Special Operations Support Group (SOSG) that trains, equips, structures, and provides specially qualified Marine forces, including operational logistics, intelligence, multipurpose canines, Firepower Control Teams and communications support in order to sustain worldwide special operations missions as directed by Commander, U.S. Marine Corps Forces Special Operations Command (COMMARFORSOC).
A battalion is a military unit, typically consisting of 300 to 1,000 soldiers commanded by a lieutenant colonel, and subdivided into a number of companies. The typical battalion is built from three operational companies, one weapons company and one HQ company. In some countries, battalions are exclusively infantry, while in others battalions are unit-level organisations.
A Marine expeditionary unit is the smallest air-ground task force (MAGTF) in the United States Fleet Marine Force. Each MEU is an expeditionary rapid reaction force ready to any crisis, whether it be disaster aid or a combat mission. Marine amphibious unit (MAU) was the name used until the late 1980s.
Force Reconnaissance (FORECON) is a United States Marine Corps special operations forces which supplies military intelligence to the command element of the Marine Air-Ground Task Force (MAGTF). Force Reconnaissance companies unlike USMC division reconnaissance report to the Marine expeditionary force (MEF) and provide direct action and deep reconnaissance during large-scale operations.
III Marine Expeditionary Force is a formation of the Marine Air-Ground Task Force of the United States Marine Corps. It is forward-deployed and able to rapidly conduct operations across the spectrum from humanitarian assistance and disaster relief (HA/DR) to amphibious assault and high-intensity combat.
Combat service support is a topic that is, broadly speaking, a subset of military logistics. However, combat service support is often more limited in depth, as the related groups primarily address factors supporting readiness for combat operations. The United States Department of Defense organizes various agencies providing services such as medical assistance, for example, akin to other nations' militaries.
The 22nd Marine Expeditionary Unit is one of seven such units currently in existence in the United States Marine Corps. It is a Marine Air Ground Task Force with a strength of about 2,200 personnel. They are currently based out of Marine Corps Base Camp Lejeune, North Carolina and fall under the command of the II Marine Expeditionary Force. It is the most decorated of the U.S. Marine Corps' seven MEUs.
The II Marine Expeditionary Force is a Marine Air-Ground Task Force consisting of ground, air and logistics forces capable of projecting offensive combat power ashore while sustaining itself in combat without external assistance for a period of 60 days. The II Marine Expeditionary Force is commanded by a lieutenant general, who serves under U.S. Marine Corps Forces Command, providing Marine fighting formations and units to European Command, Central Command and Southern Command. The current Commanding General is Lieutenant General David A. Ottignon. The Deputy Commanding General is Brigadier General Andrew T. Priddy.
In the United States Marine Corps, a Marine air–ground task force is the principal organization for all missions across the range of military operations. MAGTFs are a balanced air–ground, combined arms task organization of Marine Corps forces under a single commander that is structured to accomplish a specific mission. The MAGTF was formalized by the publishing of Marine Corps Order 3120.3 in December 1963 "The Marine Corps in the National Defense, MCDP 1-0". It stated:
The 15th Marine Expeditionary Unit is one of seven such units currently in existence in the United States Marine Corps. The Marine Expeditionary Unit (MEU) is a Marine Air Ground Task Force (MAGTF) with a strength of about 2,200 personnel. The MEU consists of a command element, a reinforced infantry battalion, a composite helicopter squadron and a combat logistics battalion. The 15th MEU is currently based out of Marine Corps Base Camp Pendleton, California.
The 26th Marine Expeditionary Unit (Special Operations Capable) (26th MEU (SOC)) is one of seven Marine Expeditionary Units currently in existence in the United States Marine Corps. It is an air-ground task force with a strength of about 2,400 personnel when at full strength during a deployment. It consists of four major parts: a command element, a ground combat element, an aviation combat element, and a logistics combat element. Since its establishment in the early 1970s as the 26th Marine Amphibious Unit, it has deployed extensively and participated in numerous combat and contingency operations, as well as training exercises. The 26th MEU (SOC) is based out of Marine Corps Base Camp Lejeune in the U.S. state of North Carolina.
The 3d Low Altitude Air Defense Battalion is an air defense unit of the United States Marine Corps currently responsible for providing short range air defense. The battalion falls under the command of Marine Air Control Group 38 (MACG-38) and the 3rd Marine Aircraft Wing and is currently based at Marine Corps Base Camp Pendleton, California.
Marine Wing Communications Squadron 28 (MWCS-28) is a United States Marine Corps communications squadron. The squadron provides expeditionary communications for the aviation combat element of the II Marine Expeditionary Force. They are based at Marine Corps Air Station Cherry Point and fall under the command of Marine Air Control Group 28 and the 2nd Marine Aircraft Wing.
In the United States Marine Corps, the ground combat element (GCE) is the land force of a Marine Air-Ground Task Force (MAGTF). It provides power projection and force for the MAGTF.
In the United States Navy, the expeditionary strike group (ESG) is a coordinated group of surface ships, aircraft, submarines, and other naval assets. In contrast to carrier strike groups (CSGs), which emphasize air power and are led by a supercarrier, ESGs are strongly suited for amphibious warfare and are led by an amphibious assault ship. The ESG concept was introduced in the early 1990s, based on the Naval Expeditionary Task Force. The U.S. Navy fields nine expeditionary strike groups.
In the United States Marine Corps, the aviation combat element or air combat element (ACE) is the aviation component of the Marine Air-Ground Task Force (MAGTF). The ACE is task organized to perform the six functions of Marine Corps aviation in support of MAGTF operations. The ACE is led by an aviation headquarters which employs rotary-wing, tiltrotor, and fixed-wing aircraft in conjunction with command and control, maintenance and engineering units.
Marine Wing Communications Squadron 38 (MWCS-38) is a United States Marine Corps communications squadron. The squadron provides expeditionary communications for the aviation combat element of the I Marine Expeditionary Force. They are based at Marine Corps Air Station Miramar, California, and fall under the command of Marine Air Control Group 38 and the 3rd Marine Aircraft Wing.
A Maritime Special Purpose Force (MSPF) is a United States Marine Corps specialized sub-unit of a Marine expeditionary unit. A MSPF is deployed to give the commanders low profile, two-platoon surgical emplacement in the accessible littoral regions. The MSPF provides the enhanced operational capability and precision skills to complement, enable, and execute selected conventional, maritime special operations. They can also perform operations not resident in traditional amphibious raid companies.
Marine expeditionary unit (special operations capable) (MEU(SOC)) was a program created by the United States Marine Corps and the United States Navy in 1985 for Marine expeditionary units (MEU). As of 2013 the term MEU(SOC) is obsolete. The program enhanced MEUs providing them with additional training and equipment to become certified as special operations capable with a Maritime Special Purpose Force (MSPF). The designation special operations capable was unique to the Marine Corps and meant in relation to special operations. The role of a MEU(SOC) however was not equivalent to the special operations role of special operations forces. Although considered special operations capable a MEU(SOC) did not form part of the United States Special Operations Command (USSOCOM) established in 1987 or the United States Marine Forces Special Operations Command (MARSOC) later established in 2006.
The reconnaissance mission within the United States Marine Corps is divided into two distinct but complementary aspects; Marine Division Recon and Force Reconnaissance.
↑ Krulak, Victor H. (1984). First To Fight: An Inside View of the U.S. Marine Corps. Annapolis, Maryland: Naval Institute Press. ISBN0-87021-785-2. Chapter 7, The Marines' Push Button 113-119
↑ Priddy, Maj. Wade (June 2006). "Marine Detachment 1: Opening the door for a Marine force contribution to USSOCom". Marine Corps Gazette. Marine Corps Association (June 2006): 58–59.
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