 The Brigade was reconstituted in the Organized Reserve on 24 June 1921, still assigned to the 91st Division, and allotted to the Ninth Corps Area.The Brigade was redesignated Headquarters & Headquarters Company (HHC), 181st Brigade on 23 March 1925 and again redesignated HHC, 181st Infantry Brigade on 24 August 1936.The unit conducted summer training most years at Del Monte, California, from 1922–40.