The 1st Oklahoma Field Artillery became the 160th Field Artillery Regiment in October 1921 with two battalions .
The 1st Oklahoma Field Artillery would become one of the components of the 45th Infantry Division in 1923 .
The 1st Oklahoma Field Artillery became the 160th Field Artillery Regiment in October 1921 with two battalions and would become one of the components of the 45th Infantry Division in 1923 .