Canada in the Cold War American States, disliking the support and tolerance of the Cold War OAS for dictators. Under Pearson's successor Pierre Trudeau, US-Canadian policies grew further apart. Trudeau removed nuclear weapons from Canadian soil, formally recognized the People's Republic of China, established a personal friendship with Castro, and decreased the number of Canadian troops stationed at NATO bases in Europe. Brian Mulroney and Ronald Reagan had a close relationship, but the 1980s also saw widespread protests against American testing of cruise missiles in Canada's north. When the Cold War ended, Canadian Forces were withdrawn from their NATO commitments in Germany, military spending was
US signals intelligence in the Cold War a result of espionage by a Soviet agent, William Weisband. NSA suggests this may have been the most significant loss in US intelligence history. The Viet Minh, at first, used captured French communications equipment. Under the French, no Vietnamese had been trained in cryptography, so, the initial messages were sent in the clear. On September 23, 1945, the US intercepted a message from Ho Chi Minh to Joseph Stalin, requesting aid for flood victims. This traffic immediately triggered more suspicion of Ho's relationship to Moscow, but it turned out to be one in a series of messages to world leaders.