outcome. The Avro Arrow (CF-105) was a state of the art jet that was built in 1949 to help defend North America in case of attacks during the Cold War. The aircraft gave millions hope for a brighter future, but in the end let many down because of the Cold War and its nuclear warfare. Chris Gainor states in his novel that, “ the legions of Canadians who saw the Arrow as a symbol of Canadian excellence, Black Friday marked the end of an era that began in World War II.” The real question is whether or not Prime Minister John Diefenbaker formed the appropriate decision. It is the intent of this paper to prove that the cancellation…