Mirosław Hermaszewski is a retired Polish Air Force officer and cosmonaut. He became the first (and to this day remains the only) Polish national in space, when he flew aboard the Soviet Soyuz 30 spacecraft in 1978.
Soyuz 30 was the fifth mission to visit the Salyut 6 space station and carried the the EP-3 crew, which visited the long-duration Soyuz 29 resident crew. The mission began on June 27, 1978, 15:27:21 UTC, launching Commander Pyotr Klimuk and Research Engineer Mirosław Hermaszewski, the first Polish cosmonaut, into orbit. They docked with the station the next day. During their 7-day stay on the station, crew conducted various scientific and medical experiments. The mission concluded with a safe landing back on Earth on July 5, 1978, 13:30:20 UTC.Low Earth Orbit
The Roscosmos State Corporation for Space Activities, commonly known as Roscosmos, is the governmental body responsible for the space science program of the Russian Federation and general aerospace research. Soyuz has many launch locations the Russian sites are Baikonur, Plesetsk and Vostochny however Ariane also purchases the vehicle and launches it from French Guiana.