UFO sightings in Brazil

Given the past history of mankind - frequent wars showing a belligerent human race - they must have become alarmed.

[12] According to veteran UFOlogist, Alberto Francisco do Carmo, sightings and encounters northwest of São Paulo led to the development in 1966 of an office called SIOANI (for Serviço de Informação de Objetos Aéreos Não Identificados).

[13] Headed by Major Gilberto Zani de Melo, the study and office was shut down years after his retirement.

A series of UFO sightings all over the states of southeastern Brazil, which led to several jet fighters being scrambled to intercept.

During the attempted interceptions, pilots reported the objects capable of 90-degree turns and hypersonic flight.