Apollo-Soyuz Test ProjectThe final flight of the Apollo program was the first spaceflight in which spacecraft from different nations docked in space. In July 1975, a U.S. Apollo spacecraft carrying a crew of three docked with a Russian Soyuz spacecraft with its crew of two.KENNEDY SPACE CENTER, FLA. -- The Commanding Officer of the USS New Orleans, Captain Ralph E. Neiger, welcomes aboard ASTP...S75-25941 (April 1975) --- An Apollo-Soyuz Test Project (ASTP) symbolic painting by artist Bert Winthrop of Rockwell International Space Division,...An exhibit illustrates the spacesuits designed for the Soviet cosmonaut crewmen of the joint U.S.-USSR Apollo-Soyuz Test Project docking in...Former NASA astronaut Thomas Stafford (left) and former Russian cosmonaut Alexey Leonov (right) answer reporters’ questions.Former Russian cosmonaut Alexey Leonov and former NASA astronaut Thomas Stafford relive historic moments.Former NASA astronaut Thomas Stafford practices docking techniques at a simulator.