The 104th Military Intelligence Battalion of the United States Army was constituted on September 16, 1980 in the Regular Army as the 104th Military Intelligence Battalion, assigned to the 4th Infantry Division, and activated at Fort Carson, Colorado (the 374th Army Security Agency Company and the 4th Military Intelligence Company concurrently reorganized and redesignated as Companies A and B, 104th MI Battalion). It inactivated on December 15, 1995 at Fort Carson, Colorado.