Which cosmonaut, Franz Viehböck and Sigmund Jähn, visited the Mir space station in 1991 aboard Soyuz TM-13?
Franz Viehböck Franz Artur Viehböck (born August 24, 1960 in Vienna) is an Austrian electrical engineer, and was Austria's first cosmonaut. He was titulated "„Austronaut“" by his country's media. He visited the Mir space station in 1991 aboard Soyuz TM-13, returning aboard Soyuz TM-12 after spending just over a week in space.
Progress M-11 Progress M-11 was a Russian unmanned cargo spacecraft which was launched in 1992 to resupply the Mir space station. The twenty-ninth of sixty four Progress spacecraft to visit Mir, it used the Progress-M 11F615A55 configuration, and had the serial number 212. It carried supplies including food, water and oxygen for the EO-10 crew aboard Mir, as well as equipment for conducting scientific research, and fuel for adjusting the station's orbit and performing manoeuvres. It was the first spacecraft to visit Mir following the dissolution of the Soviet Union.