Bidspirit auction | Cosmonaut Dumitru-Dorin Prunariu signed 1981

Cosmonaut Dumitru-Dorin Prunariu signed 1981 space cover with 4 postmarks might be flown?. Born 27 September 1952 is a Romanian cosmonaut. He flew in space aboard Soyuz 40 spacecraft and Salyut 6 space laboratory. He teamed with the Soviet cosmonaut Leonid Popov. The backup crew was made of Romanian candidate cosmonaut Dumitru Dediu and Soviet cosmonaut Yuri Romanenko. He was selected for spaceflight training in 1978 as a part of the Intercosmos Program. Having obtained the highest marks during three years of preparation, he was then selected for a joint space flight with the Ukrainian cosmonaut Leonid Popov. In May 1981 they completed an eight-day space mission on board Soyuz 40 and the Salyut 6 space laboratory where they completed scientific experiments in the fields of astrophysics, space radiation, space technology, space medicine, and biology.