On 25 April 1957 the colors of Company A, 327AIR were reorganized and redesignated as HHC, 1st Airborne Battle Group, 327th Infantry, and remained assigned to the 101st Airborne Division (organic elements concurrently constituted and activated). This was the only active element of the 327th Infantry during the Pentomic era. When the Army abandoned battle groups for brigades and battalions, the unit was reorganized and redesignated on 3 February 1963 as the 1st Battalion, 327th Infantry, an element of the 1st Brigade, 101st Airborne Division.