The 1st Battalion, 81st Field Artillery Regiment is a field artillery regiment of the United States Army. It was formed at Fort Sill in 1963 and has a rich history of service. The battalion was initially equipped with Pershing 1 missiles and later transitioned to Pershing II missiles. It was inactivated in 1986 and reflagged as the 1st Battalion, 9th Field Artillery Regiment. The regiment's history is marked by its deployment to various locations, including West Germany and Neu-Ulm, where it underwent significant changes in its equipment and operational capabilities. The regiment's emblem features a shield with a cross and the coat of arms of the 11th Cavalry, symbolizing its lineage and heritage