Marine expeditionary brigade
A Marine expeditionary brigade (MEB) is a formation of the United States Marine Corps, a Marine air-ground task force of approximately 14,500 Marines and sailors constructed around a reinforced infantry regiment, a composite Marine aircraft group, a combat logistics regiment and a MEB command group.[1] The MEB, commanded by a general officer (usually a brigadier general), is task-organized to meet the requirements of a specific situation. It can function as part of a joint task force, as the lead echelon of the Marine expeditionary force (MEF), or alone. It varies in size and composition, and is larger than a Marine expeditionary unit (MEU) but smaller than a MEF. The MEB is capable of conducting missions across the full range of military operations.
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Notional Marine expeditionary brigade in 2010
    
    Command element (CE)
    
MEB command group
- MEB Staff
 - Detachment, Communications Battalion
 - Detachment, Intelligence Battalion
 - Detachment, Law Enforcement Battalion
 - Detachment, Radio Battalion
 - Detachment, Air Naval Gunfire Liaison Company
 - Detachment, Force Reconnaissance Company
 
Ground combat element (GCE)
    
Regimental Landing Team (RLT) or Regimental Combat Team (RCT)
- Infantry Regiment (w/ 3 Infantry Battalions), Reinforced
 - 48 Amphibious Assault Vehicles, AAV-7A1 and variants (1 Amphibious Assault Vehicle Company (Reinforced))
 - 27 Light Armored Vehicles, LAV-25A1 and variants (1 Light Armored Reconnaissance Company (Reinforced))
 - 14 Main Battle Tank, M1A1, Abrams (1 Tank Company (Reinforced))
 - 2 Armored Recovery Vehicle, M88A2, Hercules (1 Tank Company (Reinforced))
 - 2 Assault Breacher Vehicle, M1, Shredder (Combat Engineer Company)
 - 24 Howitzer, 155 mm, M777A2 (1 Artillery Battalion w/4 firing batteries of 6 guns each)
 - 24 Mortar, 81mm, M252 (4 tubes per section, 2 sections per platoon, of the Mortar Platoon, Weapons Company, Infantry Battalion × 3)
 - 27 Lightweight Mortar, 60 mm, M224 LWCMS (3 tubes in the Mortar Section of the Weapons Platoon, Rifle company × 3, Infantry Battalion × 3)
 - 24 Anti-Tank Missile Launcher, BGM-71, TOW (8 launchers in the TOW Section of the Anti-Tank (AT) Platoon, Weapons Company, Infantry Battalion × 3)
 - 24 Anti-Tank Missile Launcher, FGM-148, Javelin (8 launchers in the AT Section of the Anti-Tank Platoon, Weapons Company, Infantry Battalion × 3)
 - 18 Automatic Grenade Launcher, 40 mm, Mk 19 (6 guns per Heavy Machine Gun Platoon, Weapons Company, Infantry Battalion × 3)
 - 18 Browning Machine Gun, Cal. .50, M2, HB, Flexible (6 guns per Heavy Machine Gun Platoon, Weapons Company, Infantry Battalion × 3)
 - 54 Machine Gun, 7.62mm, M240 (6 guns in the Machine Gun Section, Weapons Platoon, Rifle Company × 3, Infantry Battalion × 3)
 - 243 Light Machine Gun/Infantry Automatic Rifle, 5.56mm, M249 (9 guns per Rifle Platoon × 3, Rifle Company × 3, Infantry Battalion × 3)
 
Aviation combat element (ACE)
    
Composite Marine aircraft group
- Marine Aircraft Group (MAG) [notional organization shown below]
 - 45 AV-8B (3 VMA squadrons w/ 15 aircraft each)
 - 24 F/A-18 (2 VMFA squadrons w/ 12 aircraft each)
 - 5 EA-6B (1 VMAQ squadron w/ 5 aircraft each)
 - 6 KC-130 (1 VMGR detachment)
 - 32 CH-53E (2 HMH squadrons w/ 16 aircraft each)
 - 48 CH-46E or MV-22B (4 HMM or VMM squadrons w/ 12 aircraft each)
 - 18 AH-1W/Z (1 HMLA squadron, each HMLA squadron contains both AH-1 & UH-1 aircraft)
 - 9 UH-1N/Y (1 HMLA squadron, each HMLA squadron contains both AH-1 & UH-1 aircraft)
 - 45 Stinger missile teams (1 Low Altitude Air Defense firing battery w/ 3 platoons of 15 Stinger missile teams each)
 - 1 Marine Aviation Logistics Squadron (MALS) (Provides Aircraft Intermediate Maintenance, Aviation Supply, and Aviation Ordnance support to aircraft squadrons)
 - 1 Marine Wing Support Squadron (MWSS) (Provides Combat Service Support [i.e., all essential aviation ground support and services] to enable the MAG to perform its aviation mission)
 - Other aviation support squadron detachments as required (MACS, MASS, MTACS, MWCS)
 
Logistics combat element (LCE)
    
Combat logistics regiment (CLR) (w/ 1 to 3 combat logistics Battalions) [notional equipment shown below]
- 1 medium girder bridge
 - 6 cranes:
- 1 30-ton crane
 - 5 7.5-ton cranes
 
 - 2 600k-gal fuel systems
 - 44 100-kW generators
 - 75 7-ton trucks
 - 9 Water purifying units
 - 116 forklifts
 - 5 bulldozers
 - 3 road graders
 
List of MEBs
    
- 1st Marine Expeditionary Brigade
 - 2nd Marine Expeditionary Brigade
 - 3rd Marine Expeditionary Brigade
 - 5th Marine Expeditionary Brigade
 - 7th Marine Expeditionary Brigade
 
Historical MEBs
    
The following MEBs were deployed operationally:
- Task Force Tarawa for the Iraq War
 - Task Force Leatherneck for the Afghanistan War[2]
 - 9th Marine Expeditionary Brigade for the Vietnam War – deployed March 8, 1965
 - 4th Marine Expeditionary Brigade (Anti-Terrorism) for the War on Terror - activated in 29 October 2001 and deactivated in February 2006
 
Notes
    
- Trickey, Wendy R., Robert C. Benbow and David G. Taylor. MEB Capabilities Study (Final Report), (Alexandria, Virginia: Center for Naval Analyses, February 2010), 7.
 - MEB troops to get prestigious valor award, Marine Corps Times, Dan Lamothe, Jun 21, 2012 Archived 2012-06-28 at the Wayback Machine
 
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