Lineage. Established as 434 Maintenance and Supply Group, and activated in the Reserve, on 1 Jul 1949. Ordered to Active Service on 1 May 1951. Relieved from Active Duty on 15 Dec 1952. Inactivated on 1 Feb 1953. Activated in the Reserve on 1 Feb 1953. Inactivated on 14 Apr 1959.