This memo from the Argentine General Directorate of Nuclear Affairs and Disarmament to the South America Directorate proposes a joint Argentine-Brazilian declaration on the peaceful use of nuclear weapons. Rejecting the establishment of IAEA safeguards, the memo instead suggests a "mutual guarantee mechanism" based on cooperation and inspections on a case by case basis.

In his answer to Argentinian President Bignone, Brazilian President João Batista Figueiredo expresses satisfaction for the result achieved by the neighbor country.

A Directorate of Intelligence analysis, prepared in 1986, provides an interesting contrast with excisions in the NIEs on the indigenous program; it includes details on the major Navy, Air Force, and Army components of the indigenous program, including the nuclear submarine objective. As with the NIEs, the authors of this report saw no “political decision” on nuclear weapons and further noted President Sarney’s public statements against a weapons program. But a piece of political intelligence initially excised from this report suggested, rightly or wrongly, that Sarney may have been personally ambivalent.

The SNIEs from 1983 and the 1985 update emphasize Brazil’s quest for technological-industrial autonomy which in nuclear terms meant developing an indigenous program to master the fuel cycle, including uranium enrichment and plutonium reprocessing capabilities. In seeking those objectives, Brazil did not want to face any constraints, and its leaders were unresponsive to US or other pressures for safeguards on nuclear facilities. According to the 1985 report the prominent role of the military in nuclear activities, “the direction of Brazil’s nuclear r&d,” and the CNEN president’s “reputation of favoring a nuclear option” posed a “danger to US interests in Brazil.”

Draft of a nuclear cooperation agreement between Argentina and Brazil, very likely the same one given by Brazilian authorities to the Argentinian National Atomic Energy Commission (CNEA) mission during the latter’s visit to Brazil in March 1968.

Argentinian President Bignone informs Figueiredo of the Argentine capacity to enrich uranium.

Report on the bilateral nuclear relationship between Brazil and Argentina from the Alfonsín presidency until the end of the Figueiredo Administration. The main theme is a possible joint declaration on the renunciation of nuclear explosives. Alfonsín and Foreign Minister Caputo are in favor, but elements within the Brazilian government remain opposed.

In this memo, the Latin American department of the Argentine Foreign Ministry conveys its opinion on the Brazilian interest in including the nuclear issue in the agenda of the Special Brazilian-Argentine Committee on Cooperation (CEBAC), that the issue should be subordinated to the solution of the question of Itaipu.

Conversations between Counselor Raul Estrada Oyuela, from the Argentine Embassy in Brasilia, and Luiz Augusto de Castro Neves, Deputy Chief of the Energy and Mineral Resources Division of Itamaraty, on the possibility of nuclear cooperation between Brazil and Argentina.

Vice-President Adalberto Pereira reports on a meeting with Republican Congressman Paul Findley, who proposed, on a personal basis, the creation of a nuclear mutual surveillance system between Brazil and Argentina, with a view to allaying doubts about a possible arms race. Findley had already presented the proposal to Ambassador Geraldo Holanda Cavalcanti, (aide to Minister Silveira) on the occasion of the visit to Brasília on August 23 1977. 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.