 Cougars entered service in the late 1970s in Canadian based regular and reserve Armoured Regiments.They were intended as a quick air transportable fighting vehicles and used by the CAST Brigade for service in Norway and later with the 1st Canadian Division committed to NATO's CENTAG.They were too light to be effective against MBTs however the end of the Cold War meant they were used in stability operations in Bosnia and Somalia and relegated to training the tank crews in Canada that later received repatriated Leopard C1 tanks from the Canadian Forces in Germany that were disbanded in 1994.