402nd Field Artillery Brigade (United States)

The 402nd Field Artillery Brigade has been absorbed into the 5th Armored Brigade (United States). The 402nd was an AC/RC/NG unit based at Fort Bliss, Texas. The unit is responsible for training selected United States Army Reserve & Army National Guard units along the West coast. The unit was formerly designated as 3rd Brigade, 91st Infantry Division, and as the 402nd Brigade (Training). The Brigade is a subordinate unit of the First United States Army (First Army Division West). From 1985 to 1996, the Brigade conducted artillery training at Fort Sill, Oklahoma.

In 2006, as part of the Army's Transformation of the United States Army, the 3rd Brigade was redesignated as the 402nd Field Artillery Brigade. The 402nd Field Artillery Brigade was constituted 25 January 1943 in the United States Army as Headquarters and Headquarters Battery, 402nd Field Artillery Group and later activated on 15 March 1943 at Camp Butner, North Carolina. The unit participated in the following campaigns during World War II: Northern France, Rhineland, Ardennes-Alsace (Battle of the Bulge) and Central Europe. Inactivated 26 October 1945 at Camp Kilmer, New Jersey. Redesignated 16 March 1985 as Headquarters and Headquarters Battery, 402nd Brigade (Training) and activated at Lawton, Oklahoma, assigned to the 95th Training Division. It was organized with a command section, a training committee, and five subordinate battalions with 24 training batteries. The battalions were designed as unit of the 89th Field Artillery Regiment, with the 1st Battalion in Tulsa, Oklahoma; the 2nd Battalion in Amarillo, Texas; the 3rd Battalion in Denton, Texas, the 4th Battalion in the vicinity of Fort Worth, Texas; and the 5th Battalion in Wichita Falls, Texas.

On 25 January 1991, the 402nd Brigade (Training) was mobilized in support of Operations Desert Shield/Storm. Detached from the 95th Training Division and attached to the U.S. Army Field Artillery Training Center, Fort Sill, Oklahoma. Inactivated 16 October 1996 at Lawton, Oklahoma. On 1 December 2006 the Headquarters & Headquarters Battery and Headquarters, 402nd Brigade (Training) withdrew from the Army Reserve and allotted to the Regular Army and redesignated as Headquarters activated at Travis Air Force Base, California.