the 82nd airborne division artillery implemented the reorganization objective army division (road) on 25 may 1964. under this organization, the dviarty consisted of the hhb, a little john rocket battery (b/377 fa), and three 105mm direct support battalions: 1st battalion (airborne), 319th field artillery; 1st battalion (airborne), 320th field artillery; and the 2nd battalion (airborne), 321st field artillery.