The 142nd Field Artillery Brigade is a U.S. Army unit under the Pennsylvania Army National Guard’s jurisdiction. It was activated as part of the Organized Reserve in 1908, making it one of the oldest units in the Army National Guard. The brigade’s primary role involves providing artillery support to ground forces in various combat environments. This includes engaging targets at long ranges and coordinating fire missions. The brigade employs a variety of modern artillery systems, such as the M777 howitzer and the High Mobility Artillery Rocket System (HIMARS). Its headquarters is located in Harrisburg, Pennsylvania. The 142nd Field Artillery Brigade participates in regular training exercises to maintain readiness for state and federal mobilization when required.