Declassified documents from the archives of the Brazilian congress say the country detained an American ship in 1968 suspected of mapping potential oil reserves in Brazilian waters, the daily O Globo reported.
Brazil’s naval authorities gave seized mapping equipment from the ship, the North Seal, to state oil company Petroleo Brasileiro SA (PETR4), according to the daily newspaper. The article doesn’t identify the owner of the ship.
The declassified documents, from 1947 to 1976, also show that the Brazilian dictatorship’s intelligence agency monitored phone calls by Brazilian lawmakers as recently as 1970, the daily reported.
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