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
37th Tactical Missile Squadron alert using its complement of 24 IM-99B BOMARC surface to air antiaircraft missiles. During the 1962 Cuban Missile Crisis, the full squadron stood alert for 27 days. The squadron was tied into a Semi-Automatic Ground Environment (SAGE) direction center which could use analog computers to process information from ground radars, picket ships and airborne aircraft to accelerate the display of tracking data at the direction center to quickly direct the missile site to engage hostile aircraft. As the strategic bomber threat to the United States diminished, so did the need for the BOMARC missile and the squadron was inactivated on