On April 1993, Brazilian diplomats met once more with Robert Einhorn, now Deputy Assistant Secretary for Chemical Weapons and Proliferation. Einhorn was mainly concerned with the delay in the approval of the export control legislation in Brazil and wondered if the issue was not losing priority in the Brazilian government’s agenda. He also tried to discourage the development of Brazilian SLV by arguing that it would not be economically advantageous for the country.

This cable reports the meeting between Brazilian diplomat Sergio Amaral, Robert Einhorn, Deputy Assistant for Politico-Military Affairs, and Vahn H. Van Diepen, Director of the Office of Weapons Proliferation. Eihorn made clear during the meeting that space programs such as Brazil’s are a source of concern for the US administration because it could use the same technology developed for the SLV to build ballistic missiles.

This cable, sent from the Brazilian Embassy in Washington to Brasília, reports Brazil’s inclusion in the list of countries that might manufacture rockets. The inclusion was in the supplement number 6 section 778 of the “Export Administration Regulations.” The US administration’s report on the list also notes the importance of the Brazilian government’s recent steps towards non-proliferation and that its inclusion in the list is due to its rocket programs and the development of its SLV.

This document contains the main guidelines of the Brazilian Autonomous Program of Nuclear Technology, which seeks to master the necessary technologies for an autonomous nuclear program for peaceful ends. In it, one of its many components, named “Project Solimoes,” envisages the construction of peaceful nuclear devices.

This is a letter written by Brazilian Congressman Herbert Levy which reveals the content of his meetings with high U.S. governmental officials regarding his concern about Argentina’s nuclear activities less than a year after the Falklands/Malvinas War. In these conversations, Levy states that Argentina might develop a nuclear artifact.

This is a note from the Brazilian Minister of Foreign Affairs, Mr. Antonio Azeredo da Silveira, to Brazilian President Ernesto Geisel, regarding India’s nuclear test in 1974. It indicates the main consequences of the Indian test to both the world and Brazil, and suggests that Argentina has the necessary incentives to follow India’s path.

This is an Intelligence Report regarding Brazil’s nuclear activities prepared by the Argentine Navy, which seeks to estimate Brazil’s nuclear intentions in the near future. It is mainly based on newspaper articles as well as declarations of Brazilian high-ranked scientists, diplomats and military officials.

This newspaper article discusses an underground nuclear test site being built at Serra do Cachimbo for the Brazilian military and claims that production of a nuclear weapon was "already under way." President Sarney denied the report.

In this cable to Buenos Aires, Ambassador Vazquez reports that he requested a meeting with Minister Olavo Setúbal after General Leonidas Pires Gonçalves suggested that he would support a Brazilian nuclear weapons program. Vazquez also discusses a conversation with the Brazilian Foreign Minister's chief of staff, who told Vazquez that General Leônidas Pires refuted the reports of a Brazilian atomic bomb.

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.