WIKIARCHIVES.SPACE

Three ASTP crewmen have a meal in the Apollo Command Module trainer in Building 35 during Apollo-Soyuz Test Project joint crew training at NASA's Johnson Space Center. They are, left to right, cosmonaut Aleksey A. Leonov, commander of the Soviet ASTP first (prime) crew; astronaut Donald K. Slayton, docking module pilot of the American ASTP prime crew; and astronaut Thomas P. Stafford, commander of the American ASTP prime crew. The American and Soviet crewmen will visit each other's spacecraft when the Apollo and Soyuz are docked in Earth orbit.