How did Canadian officials balance the conflicting responsibilities of a neutral International Control Commission (ICC) representative, and a supportive ally as US intervention intensified in Viet Nam during the complicated years of 1962–1966? This Canadian policy series previews key moments.

What did the British really think of Canada’s efforts during the Second World War? "Canada stood by us in the dark days..." or "a well-worn theme?"

1950/57 Canadian, US, and British intelligence assessed Imminence, Likelihood, and Risks of war with the USSR. Geopolitical, military, and technological shifts coloured these respective assessments. A Tripartite Alerts Agreement ensured quick communication of vital intelligence between the nations.

If the nuclear apocalypse happened in the 60s what was the Canadian continuity of government plan? It started with a ride on the bus “RUSTIC”, only for specific personnel with valid, unbent, and laminated Government of Canada Identification. Exercise ARCADIA was a practice run, lunch not included.

1951–1953 Canadian, US, and British intelligence analyzed and forecasted “Risks of General War” with the USSR. Deliberate and preventative war were “ruled out” but miscalculation and retaliation remained problematic. Specific regions such as Iran and Yugoslavia were identified as areas of concern.

“SECRET, CONFIDENTIAL, AND ALMOST IMPORTANT. TO BE DESTROYED BEFORE READING.” World War II Canada – US baseball games, and martinis for the baserunners! Check out the Substack for more of this bizarre exchange and a rare bit of Canadian military, political, and sports history in one place.

From 1950 –1962 Canadian, British, and American intelligence assessed “The Likelihood of War” by weighing USSR policy, ideology, and strength. The Korean armistice, East German riots, changes in the Politburo, Sino-Soviet alignment, and a USSR H-bomb detonation impacted their threat analysis.

Shopping trips to Zellers, IMINT doodles, and deep undercover work. What were the Canadians doing in Cuba? When and how did Canadian officials find out about the Soviet missile sites that would lead to one of the tensest standoffs of the Cold War? All this, and more on Substack!

July 13,1950 – Aug 23,1951, as China aided Korea, Canadian officials assessed “The Imminence of War.” Could this conflict escalate to general war? Visit the CD archive: Briefing Book “The Imminence of War, Part 1” declassified.library.utoronto.ca/exhibits/sho...

Between 1952–62, Canada’s role in NATO comes alive in an articulately annotated briefing book: jets over the Iron Curtain, Cold War planning, even sailors stealing bikes. #CanadaDeclassified #ColdWarHistory #NATOHistory

🚨New series release! We are digging into the primary sources from the Canada Declassified online archive that contributed to The Next War 📖 #CanadaDeclassified #ColdWarHistory #TheNextWar

The secret envelopes of the Korean War reveal extensive USAF bombing runs over the Yalu, NATO–N. Korean logistics contrasts, and Acheson’s view of the war as “an absolute godsend” for implementing Truman administration Cold War policies. #CanadaDeclassified #ColdWarHistory #IntelligenceHistory

In 1969 Ottawa asked if Safeguard would destabilize the balance of power, fuel the arms race, undermine SALT, endanger Canadians, or reshape NORAD. Reports warned it might “hinder rather than help” arms control, eroding Canada’s credibility. #CanadaDeclassified #ColdWarHistory #SpecialInterest

In WWII, British Security Coordination in Toronto recruited Yugoslav nationals for guerrilla warfare. Trained at Camp X, they parachuted into occupied Yugoslavia to aid Tito’s partisans. #CanadaDeclassified #WWIIHistory #CampX

Canada's diplomatic balancing act in 1969 ABM debates. While avoiding commitment to Sentinel command/control, Ottawa chose strategic restraint over forceful intervention with Nixon admin. External Affairs recommended a flexible stance. #SpecialInterest #CanadaDeclassified #ColdWarHistory

Tactical Atomic Target Computer, 1957. Developed by Canada’s 2 Army Operational Research Team. An analog artifact from the nuclear era – fascinating insight into Cold War operational logic and Canada’s technical-military posture. #CanadaDeclassified #ColdWarHistory #MilitaryHistory

The Sentinel ABM System – NORAD’s space defence upgrade – but in Ottawa, a Cold War clash. 🛡️Politico-Military Affairs vs. 🕊️Disarmament Division: Could support undermine Canadian disarmament prestige or make Canada “a mere satellite of the US”? #SpecialInterest #CanadaDeclassified #ColdWarHistory

1950 Half a million Germans rallied in Berlin. On the surface? A call for unity. Reality? Soviet propaganda spectacle. Canadian officials watched from their side of the Brandenburg Gate – reports described Cold War concerns and increased tension. #CanadaDeclassified #ColdWarHistory #SpecialInterest

Book Release! Many of the newly declassified documents referenced in writing this history are available at Canada Declassified! 📂 declassified.library.utoronto.ca This book is open access! 📖 ucp.manifoldapp.org/projects/the...

💣 ABMs, MIRVs, and Cold War confusion. Canada tracked Soviet thinking & U.S. debates — but warnings of escalation loomed large. #CanadaDeclassified #ColdWarHistory #SpecialInterest

📞 The Prime Minister’s Gold Telephone — A Cold War hotline to Washington. Installed after the Cuban Missile Crisis, just as nuclear warhead sharing was finalized. #CanadaDeclassified #ColdWarHistory #SpecialInterest

What were they thinking? What were we thinking? In response to China’s nuclear rise, the U.S. backed a “light” ABM system. Canada’s PM publicly distanced himself. Privately, he remained open. #SpecialInterest #CanadaDeclassified #ColdWarHistory

When the #ColdWar came to #Algonquin Park

#Specialinterest 1965-67 Canadian officials were concerned with several aspects of ABM systems: physical implications, public opinion, and impacts on arms treaties. PM Pearson grappled with these complex realities of N. American ABM deployment. #CanadaDeclassified #ColdWarHistory

#CanadaDeclassified will be releasing a series exploring Canadian #Specialinterest in US ABM deployment in the late 1960’s. We are in a new era with new missiles, but is it the same politics? #ColdWarHistory

"1943, The Montreal Canadiens Invade California!" Get the full story at the Substack. #LesCanadiens #Habs #WWII #Allies #Hockey #Canada #Declassified #CanadianHistory #CanadaHistory #IntelligenceHistory #EspionageHistory #SpyHistory