the 2nd battalion inactivated on 29 november 1945 at fort lewis, washington. the regiment (less 2nd battalion which inactivated on 2 december 1945 at fort lawton staging area, wa) was relieved from the americal division and assigned to the 182nd regimental combat team on 8 july 1946. it reorganized and was federally recognized on 5 december 1946 with headquarters at charlestown. its headquarters relocated to melrose on 30 september 1955.