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Documents

November 20, 1970

Letter from Director of the Bureau of International Scientific and Technological Affairs Herman Pollack to Miller N. Hudson, Jr. at the US Embassy in Rio De Janeiro

Miller thanks Pollank for his letter (attached) with historical background on Brazil's interest in developing nuclear weapons.

May 16, 1968

Telegram from the Consul of the US in Sao Paulo to the Department of State, 'Brazilian Centrifuge Program'

Information about the classified Brazilian centrifuge program.

March 23, 1968

Airgram from the Embassy of the US in Rio De Janeiro to the Department of State, 'Assessment of Brazilian Nuclear Device Capability'

The US Embassy in Rio De Janeiro sends airgram to the Department of State with a technical and political assessment of Brazil's nuclear capacity.

March 28, 1964

Airgram from the Embassy of the US in Rio De Janeiro to the Department of State, 'Non-Peaceful Uses of Atomic Energy by Brazil'

The US Embassy in Rio De Janeiro sends airgram to the Department of State regarding military pressure in Brazil to produce fissionable material for nonpeaceful purposes.

June 4, 1957

Department of State Office of Intelligence Research, 'OIR Contribution to NIE 100-6-57: Nuclear Weapons Production by Fourth Countries – Likelihood and Consequences'

This lengthy report was State Department Bureau of Intelligence and Research's contribution to the first National Intelligence Estimate on the nuclear proliferation, NIE 100-6-57. Written at a time when the United States, the Soviet Union, and the United Kingdom were the only nuclear weapons states, the “Fourth Country” problem referred to the probability that some unspecified country, whether France or China, was likely to be the next nuclear weapons state. Enclosed with letter from Helmut Sonnenfeldt, Division of Research for USSR and Western Europe, to Roger Mateson, 4 June 1957, Secret

June 22, 1966

Note on the Third Session of the Preparatory Commission for the Denuclearization of Latin America held in Mexico City from April 19 to May 4, 1966

As a result of the commission, a draft treaty has been prepared for the creation of a Nuclear Weapon Free Zone. Brazil and Mexico have rival approaches to denuclearization.

April 20, 1966

Appendix: Extracts from the Speech delivered by the Leader of the Brazilian Delegation, Ambassador Sette Camara

Comments on the signature of the Additional Protocol of the Preparatory Commission for the Denuclearization of Latin America.

June 25, 1977

Ministry of External Affairs, (AMS Division), 'The Nuclear Issue in Latin America'

Nuclear proliferation in Latin America.

September 7, 1977

Letter from US Congressman Paul Findley to Brazilian Vice-President Adalberto Pereira dos Santos

Findley proposes a system of mutual inspection of nuclear facilities between Argentina and Brazil. According to the agreement he proposed, Brazil and Argentina would renounce the intention to develop a nuclear device and would accept mutual inspections of their respective nuclear facilities.

1977

Brazil Scope Paper: Implications of the Argentine Visit

Cyrus Vance - apparently unintentionally - left behind this document while meeting with Brazilian President Geisel. It lays out US negotiations with Argentina to ratify the Treaty of Tlateloco, to accept full scope safeguards and to delay the construction of a reprocessing facility in exchange for US nuclear assistance and Brazil’s acceptance of a moratorium on the construction of a reprocessing facility.

Pagination