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September 4, 1987

Cable on Ambassador Rubens Ricupero’s Meetings with President Alfonsín and Ambassador Jorge Sabato about Nuclear Cooperation

This cable summarizes Ambassador Ricupero’s mission to Argentina, where he conveyed a report that Brazil had mastered uranium enrichment. President Alfonsín’s letter of reply is included.

October 10, 1985

Memorandum from the Argentine General Directorate for Nuclear Affairs and Disarmament, 'Overflight by Brazilian Military Plane at Pilcaniyeu Uranium Enrichment Plant'

In this memorandum, General Director for Nuclear and Disarmament Affairs Adolfo Saracho reports on a Brazilian airplane's flight over the uranium enrichment plant at Pilcaniyeu.

December 1985

Memorandum to Holders of Special National Intelligence Estimate, SNIE 93-83, 'Brazil’s Changing Nuclear Goals: Motives and Constraints'

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.”

November 18, 1983

Letter, Argentinian President Bignone to Brazilian President Figueiredo

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