About this Unit
The 1st Battalion, 189th Field Artillery (1/189th FA) is a unit in the Oklahoma Army National Guard with a distinguished legacy. Originating from earlier artillery formations, the battalion traces its roots back to the early 20th century and has served in major conflicts, including World War II and the Global War on Terrorism. The unit has provided critical fire support as part of the 45th Infantry Brigade Combat Team, both in domestic emergencies and during overseas deployments to Iraq and Afghanistan. Today, the 1/189th FA continues its tradition of excellence, maintaining readiness to support both state and federal missions.
Historical Facts
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Unit Designation: The 1st Battalion, 189th Field Artillery Regiment (1/189th FA) is a field artillery unit in the United States Army National Guard, primarily associated with the Montana Army National Guard.
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Historic Roots: The 189th Field Artillery traces its lineage back to World War I, with elements originally organized in 1917 as part of the 41st Division.
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World War II Service: The 189th FA served in the Pacific Theater during World War II, participating in major campaigns including the New Guinea and Luzon campaigns.
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Cold War Realignments: The unit underwent several reorganizations during the Cold War, reflecting shifting defense priorities and changes in artillery technology.
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Modern Equipment: The 1/189th FA is currently equipped with the M109A6 Paladin self-propelled howitzer, providing advanced artillery support capabilities.
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Operation Iraqi Freedom: Elements of the 1/189th FA were deployed to Iraq in support of Operation Iraqi Freedom, providing artillery fire support and security operations.
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Statewide Emergency Response: The 1/189th FA has been activated multiple times for natural disasters in Montana, including firefighting, flood response, and supporting civil authorities.
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Community Ties: The unit maintains a strong relationship with local Montana communities, participating in parades, public ceremonies, and veteran commemorations.
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Training Exercises: The 1/189th FA regularly participates in large-scale training exercises such as the National Training Center (NTC) rotations to maintain combat readiness.
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Motto and Honors: The regiment’s motto is "Honor, Fidelity, Service," and its members have received multiple unit citations and individual awards for valor and meritorious service.