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.

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.

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.

According to a US document left behind by Cyrus Vance, Argentina had agreed 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. Commenting the paper, Foreign Minister Silveira defines US strategy as “irresponsible” and considers it as an encouragement to the rivalry and confrontation between Argentina and Brazil.

A cable received from the Brazilian embassy in Buenos Aires, regarding the visit of Admiral Castro Madero, the president of the National Atomic Energy Commission, to Brazil. Ambassador Duarte and Madero discussed nuclear energy and the importance of an eventual cooperation agreement between Brazil and Argentina.

This memo, produced by the Argentine Ambassador in charge of the Scientific and Technical Affairs Division of the Argentine Foreign Ministry, alerts the Director of the Argentine Nuclear Commission Carlos Castro Madero that the new Carter administration will attempt to exert pressure on Brazil’s nuclear program and hinder its nuclear deal with West Germany. It notes that regardless of Carter’s nuclear policy, Brazil would “try by all means confirm its right to nuclear development.”

This is a CIA assessment of Brazilian nuclear politics a few weeks before President Sarney's visit to the U.S.

This document reveals an encounter between a U.S. State Department official and an Argentine diplomat in Washington D.C., in which the U.S. diplomat suggests to his Argentine counterpart that the U.S. government would warmly welcome an initiative by Argentina and Brazil regarding mutual inspections as well as a declaration renouncing the right to develop peaceful nuclear explosives.

Brazilian diplomat Paulo Tarso Flecha de Lima recommends that the Brazilian government should proceed to make the Brazilian space market more attractive for foreign investments. Among Flecha de Lima’s suggestions is the creation of a set of norms to regulate commercial activities at the Alcântara Launch Center.

This cable reports the visit of the US Secretary of State Warren Christopher to Brazil. Issues related to non-proliferation dominated the meeting. Christopher emphasized the importance of Brazil strengthening its commitments to non-proliferation norms by signing the Non-Proliferation Treaty. Brazilian officials expected to improve the dialogue with the US administration after Brazil’s adherence to the MTCR.