The main crew of the Soyuz-19 spacecraft

USSR. Moscow Region. Star City. June 1973. Heroes of the Soviet Union, USSR pilot-cosmonauts, participants in the joint Soviet-American experimental flight Soyuz-Apollo, members of the main crew of Soyuz-19, commander Alexei Arkhipovich Leonov (left) and flight engineer Valery Nikolaevich Kubasov at the Yuri Gagarin Cosmonaut Training Center. The exact date of the photo is unknown. Albert Pushkarev/TASS