 Reorganized and federally recognized 15 April 1947 at Concord.Ordered into active federal service 14 August 1950 at Concord; released 13 August 1952 from active federal service and reverted to state control.Consolidated 1 February 1959 with Battery A, 744th Antiaircraft Artillery Battalion see ANNEX 1), and consolidated unit reorganized and redesignated as Headquarters and Headquarters Battery, 197th Artillery Group.