Mandate
Diefenbunker, Canada’s Cold War Museum mandate: To increase throughout Canada and the world, interest in and a critical understanding of the Cold War, by preserving the Diefenbunker as a national historic site, and operating a Cold War Museum.

Three of the former 1700 sirens installed across Canada during the Cold War as part of the National Attack Warning System. Two of them are rotating 130 db sirens and the centre one is a 110 db omnidirection siren, They are on loan from the Canadian War Museum and on display at the entrance to the Diefenbunker, Carp, Ontario.
Vision
By showcasing/championing Canada’s preparedness to secure the seat of government during the Cold War, the Diefenbunker creates this country’s most unique learning environment for present and future generations to better understand one of the most critical times in the world’s history.

Current (2022) look of the entrance (Butler Hut) to the Diefenbunker, Canada’s Cold War Museum showing (left to right) the ‘practice’ 1000 pound HE and one megaton nuclear 1960s era bombs, the controversial Bomarc ‘nuclear’ defence interceptor missile and an A4 1950’s atom bomb of the type that would have been carried by an USAF B-36 bomber.
