The United States Air Force 381st Training Group at Vandenberg Air Force Base, California provides training for the United States Air Force's intercontinental ballistic missile forces and missile maintenance forces. This Air Education and Training Command (AETC) organization is a tenant unit located on an 80-acre (32 ha) site at Vandenberg. The group was activated in the fall of 1994, when it replaced a provisional group as missile training activities at Vandenberg were transferred to AETC.