08 September 1959: Rockex Maintenance

Further on the theme of sharing expertise with the Americans, this handwritten letter to Sigs 2 indicates that Canadian Army Signals was to train a group of Americans on the Rockex terminals in October 1959, pending receipt of security clearance information.   

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Hydra Communications - Policy, RG24, 1250-36 Vol. 1, Library and Archives Canada (LAC)