The Secret of the Second Planet: Roscosmos Declassifies Documents of the "Venus-Halley" Project
The launches of Vega-1 and Vega-2 stations took place in late 1984, communication with them ceased in 1987
«Vega-1»
The launches of Vega-1 and Vega-2 stations took place in late 1984, communication with them ceased in 1987