| Anti-Terrorism Battalion (AT BN) | |
|---|---|
| Active | 2002–2007 (USMC) 2007–2013 (USMCR) |
| Country | United States of America |
| Branch | United States Marine Corps |
| Type | Specialized Infantry |
| Size | 1,000 |
| Garrison/HQ | Marine Corps Base Camp Lejeune |
| Motto(s) | Vigilia Aeternus (Eternal Vigilance) |
| Engagements | |
The United States Marine Corps' Anti-Terrorism Battalion (AT BN) was a specialized infantry battalion. The battalion was disbanded in 2013.