Training of Soviet and American cosmonauts: A. Leonov, V. Kubasov, A. Filipchenko, N. N. Rukavishnikov, T. Stafford, V. Brand, D. Slayton before the flight under the Soyuz program - " Apollo". Spacecraft Mission Control Center; correspondents are interviewing astronauts. Arrival of cosmonauts to the Baikonur cosmodrome. Inspection of the Soyuz spacecraft. Press conference of Soviet and American cosmonauts after returning from Baikonur to Moscow. American and Soviet cosmonauts attend the May Day demonstration on Red Square.