Partners in Space: 40 Years Since the Remarkable Voyage of Apollo-Soyuz (Part 2)

Apollo 18, with its docking module (left), approaches Soyuz 19 for the first joint U.S.-Russian manned space exercise in July 1975. Image Credit: NASA

For almost two decades, the United States and Russia have collaborated in the grandest scientific, engineering, and human endeavor ever undertaken in human history: the construction of the International Space [...]