Anti-Terrorism Battalion

From Wikipedia, the free encyclopedia
Jump to: navigation, search
Anti-Terrorism Battalion
AT Bn insignia
Active 2004-2013 (Deactivated)
Country United States
Branch United States Marine Corps
Type Specialty
Role Anti-terrorism
Size 700+ Marines, 30–40 Navy Hospital Corpsmen
Garrison/HQ Marine Corps Base Camp Lejeune
Motto Vigilia Aeternus (Eternal Vigilance)

Anti-Terrorism Battalion (ATBN) is a disbanded unit of the United States Marine Corps. It was a specially trained Infantry Battalion equipped to combat subversive organizations.


The mission of the Anti-Terrorism Battalion was to rapidly deploy specially trained and sustainable forces to detect, deter, and defend against terrorism, as well as to conduct crisis response in the event of a terrorist attack.


Global War on Terror[edit]


The AT Battalion was activated Oct. 29, 2004, under the 4th Marine Expeditionary Brigade, which was deactivated in February 2006 on the same day Marine Corps Forces Special Operations Command stood up. It was a non rotational unit.


Various schooling, in-house training, & courses attended 2004-2007

  • Urban Assault Climber Course
  • Enhanced Marksmanship Program Shooting (EMP) 2004
  • Basic Urban Skills Training (BUST) 2004
  • Military Operations in Urban Terrain (MOUT)
  • Close Quarters Combat (CQB) 2004
  • Israeli Mout Training and Shooting courses 2005
  • Blackwater Defensive Driving
  • Pathfinder Course 2007
  • Scout Sniper School
  • Designated Marksman Courses 2005
  • Combat Marksmanship Course/ MOS 0933
  • Combat Lifesaver Courses 2005
  • Non-Lethal Weapons & Tactics Course 2005 (Special Operations Training Group II MEF)
  • Blackwater N.C. Foreign Weapons group (2011 BSRF) Pre-deployment
  • The Special Patrol Insertion/Extraction (SPIE) 2007
  • FAST Rope 2004
  • Machine Gunners Course 2004-2007


Between 2004 and 2007, the AT Battalion had served in western Al Anbar, central Baghdad and northern Diyala provinces of Iraq. Deployments included:

Numerous Marines also augmented other requirements for National Police Training Teams (NPTT), Military Transition Teams (MiTTs), and MEF augmentation requests to other infantry units when the battalion was redesignated the 2nd Bn 9th Marines.

Most Marines in the Battalion completed two to three consecutive combat deployments in a single three year tour of duty with the battalion as part of their initial 4 year enlistment contract.


Fox CO Anti-Terrorism BN 4th MARDIV augmented the US Embassy security and Anti-Terrorism operations in Sana'a Yemen 2011-2012.


On 13 July 2007, The Active Duty Anti-terrorism Battalion was deactivated and replaced by 2nd Battalion 9th Marines as part of the increase in the size of the Marine Corps.

On 21 September 2013, The Reserve Anti-terrorism Battalion was officially deactivated.

See also[edit]