History
1st Field Signal Company dates from 1931 in the Southern Command based in Collins Bks in Cork.
With the formation of I Division in 1942 the unit was based in Kickham Bks in Clonmel
Since 1946 the unit has been based in Collins Bks in Cork, changing it's name to 1 Bde CIS Coy in 1998 with the amalgamation of the CIS Corps and Military Information Systems
1953-2013