Canada in the Cold War in power believed that as long as the US president retained absolute control of the nuclear weapons, Canadian forces could be ordered to undertake nuclear missions for the US without Canadian consent. During the Cuban Missile Crisis, Canada was expected to fall in line with American foreign policy, in that Canada's military forces were expected to go on immediate war alert status. Diefenbaker however, refused to do so emphasizing the need for United Nations intervention. It would only be after a tense phone call between President John F. Kennedy and Diefenbaker that Canada's armed forces would begin preparations for "immediate
R-16 (missile) rocket exploded on the pad killing over 100 personnel. After decades of coverup, the government finally revealed this incident, referred to as the Nedelin catastrophe. After the delays associated with the deaths of most people working on the project, the first flight of the missile took place on 2 February 1961. Initial operational capability was achieved on 1 November 1961. The missile continued to serve until 1976, with maximum deployment numbers reached in 1965 with 202 missiles deployed. The Soviets had fewer than 50 of these missiles deployed in 1962 during the Cuban Missile Crisis. It is possible that only