The 115th Regional Support Group (115 RSG) is a unit of the California National Guard since it was created as the 115th General Support Group in January 1968.[1] The unit was redesignated the 115th Support Group (Area) in 1975. The unit bears the lineage of the 749th Maintenance Battalion and the 149th Armor along with their battle streamers from World Wars I and II.[2] The unit also responded to the 1989 San Francisco Earthquake, Kosovo Force,[3]Operations Desert Shield and Desert Storm supporting VII Corps.
