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1st Battalion 18th Field Artillery Regiment (United States) •
2nd Battalion, 18th Field Artillery Regiment 2nd Battalion, 18th Field Artillery Regiment (2-18th FAR) is a (M270A1 MLRS) Multiple Launch Rocket System unit in the 75th Field Artillery Brigade (United States), currently based at Fort Sill, Oklahoma and supports III Corps.
75th Field Artillery Brigade (United States) •
3rd Battalion 18th Field Artillery Regiment (United States) [http://www.globalsecurity.org/military/agency/army/3-18fa.htm inactive •
4th Battalion 18th Field Artillery Regiment - Inactive since 1992. Last assigned to 41st Field Artillery Brigade, Babenhausen, Hessen, Germany. •
5th Battalion 18th Field Artillery Regiment - Inactive since 1993. Last assigned to 75th Field Artillery Brigade, Ft. Sill, OK. was last active 8 inch unit in the United States Army. •
6th Battalion 18th Field Artillery Regiment (United States) ==Notable personnel==