1:158 HIMARS

**1st Battalion, 158th Field Artillery Regiment (1-158th FAR) (HIMARS)** is a unit of the Oklahoma Army National Guard, tracing its lineage back to World War II. Originally activated in 1946, the battalion has served in various artillery roles, transitioning over time to incorporate advanced rocket systems. In the early 2000s, 1-158th became one of the first National Guard units to field and operate the M142 High Mobility Artillery Rocket System (HIMARS), enhancing its precision strike capability. The unit has supported multiple overseas deployments, including operations in Iraq and Afghanistan, providing critical fire support and demonstrating the evolving role of National Guard artillery in modern warfare.