S73-02395 (August 1973) --- An artist's concept illustrating an Apollo-type spacecraft (on left) about to dock with a Soviet Soyuz-type spacecraft. A recent agreement between the United States and the Union of Soviet Socialist Republics provides for the docking in space of the Soyuz and Apollo-type spacecraft in Earth orbit in 1975. The joint venture is called the Apollo-Soyuz Test Project.
NASA
1973-08
<a rel="nofollow" class="external free" href="http://spaceflight.nasa.gov/gallery/images/apollo-soyuz/apollo-soyuz/html/s73-02395.html">http://spaceflight.nasa.gov/gallery/images/apollo-soyuz/apollo-soyuz/html/s73-02395.html</a>