Anti-Terrorism Battalion (AT Bn)

4th Marine Division ~ No Regiment

Unit Information

Anti-Terrorism Battalion is a specialized reserve infantry battalion that possesses organic capabilities such as intelligence and counter-intelligence cells, combat engineers, enhanced nuclear, biological and chemical teams, and riflemen trained in advanced urban warfare.

Anti-Terrorism Battalion is structured to provide trained, equipped and deployable forces to the active duty fleet in support of contingency operations abroad.

Anti-Terrorism Battalion consists of: H&S Co (Bessemer, AL), Support Co (Bessemer, AL), Alpha Co (Rochester, NY), Bravo Co (Amarillo, TX), Charlie Co (Jackson, MS), Delta Co (Anchorage, AK and Billings, MT), Echo Co (Bessemer, AL and Tallahasse, FL), Fox Co (Lafayette, LA and Kanohe Bay, HI), Machine Gun Plt (Chicopee, MA) and Scout/Sniper Plt (Reno, NV).

Bessemer, AL

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Family Readiness Information

The primary source of unit/battalion information for spouses AND parents is the FRO (Family Readiness Officer) and Unit Hotline. The FRO will work with FR Assistants, FR Advisors and FR Volunteers along with the senior command members to make up the new Family Readiness Command Team.

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Office: 205-426-0555 ext 231; Cell: 205-215-0622

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Hotline Extension:

Anti-Terrorism Battalion (AT Bn) Mailing Addresses


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To assure compliance with OPSEC (Operational Security), the message boards and chat rooms are moderated by our trained volunteers. Please remember message board communities outside may include posts and/or links that may or may not be moderated according to OPSEC guidelines. To help keep our Marines safe, we encourage your continued use of OPSEC guidelines when posting in any online community, forum, message board or chat room including those that appear to be sponsored by military organizations. does not exercise any editorial control over the information contained in external web sites.

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Anti-Terrorism Battalion (AT Bn) Postal Facility

If you need assistance finding a mailing address for a Marine, please contact the postal facility of the last known state-side duty station. The postal facility will not give out mailing addresses to non-family members. Family members need to be prepared to provide identifying information for their Marine. The following is contact information for the postal facility that handles AT Bn mail:

Postal Facility Location

Postal Phone Number(s)

Information on AT Bn last updated 8/5/2011 3:01:59 PM GMT.

Attention Unit FRO and/or Senior Command Elements of the AT Bn:
To request changes to the AT Bn Unit Information Page™, please contact the Marine Parents office at 573-449-2003 or via email Office staff will make the changes immediately.

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