Cosmonauts V.F. Bykovsky and Z. Yen

USSR. Moscow Region. Crew members of the Soyuz-31 launch vehicle and the Soyuz-29 landing vehicle, twice Hero of the Soviet Union, USSR pilot-cosmonaut, crew commander Valery Fyodorovich Bykovsky and East German cosmonaut-researcher Sigmund Werner Paul Jähn (from left to right), who made a visiting expedition to the Salyut-6 orbital station as part of the international Intercosmos program, at the monument to the first cosmonaut Yuri Alekseyevich Gagarin in Star City. Albert Pushkarev, Alexander Sentsov/TASS