The Apollo–Soyuz Legacy Lives On, Fifty Years Later

On this date in 1975, a Soviet and an American shook hands. Even for the time period, this wouldn’t have been a big deal if it wasn’t for the fact that it happened approximately 220 kilometers (136 miles) over the surface of the Earth.

Crew of the Apollo–Soyuz Test Project

Although their spacecraft actually launched a few days earlier on the 15th, today marks 50 years since American astronauts Thomas Stafford, Vance Brand, and Donald “Deke” Slayton docked their Apollo spacecraft to a specifically modified Soyuz crewed by Cosmonauts Alexei Leonov and Valery Kubasov. The two craft were connected for nearly two days, during which time the combined crew was able to freely move between them. The conducted scientific experiments, exchanged flags, and ate shared meals together.

Politically, this very public display of goodwill between the Soviet Union and the United States helped ease geopolitical tensions. On a technical level, it not only demonstrated a number of firsts, but marked a new era of international cooperation in space. While the Space Race saw the two counties approach spaceflight as a competition, from this point on, it would largely be treated as a collaborative endeavour.

The Apollo–Soyuz Test Project lead directly to the Shuttle–Mir missions of the 1990s, which in turn was a stepping stone towards the International Space Station. Not just because that handshake back in 1975 helped establish a spirit of cooperation between the two space-fairing nations, but because it introduced a piece of equipment that’s still being used five decades later — the Androgynous Peripheral Attach System (APAS) docking system.

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The Day The Russians And Americans Met 135 Miles Up

If you watched the original Star Trek series, you’d assume there was no way the Federation would ever work with the Klingons. But eventually the two became great allies despite their cultural differences. There was a time when it seemed like the United States and Russia would never be friends — as much as nations can be friends. Yet today, the two powers cooperate on a number of fronts.

One notable area of cooperation is in spaceflight, and that also was one of the first areas where the two were able to get together in a cooperative fashion, meeting for the first time in orbit, 135 miles up.  The mission also marks the ultimate voyage of the Apollo spacecraft, a return to space for the USSR’s luckiest astronauts, and the maiden flight of NASA’s oldest astronaut. The ability to link US and Soviet capsules in space would pave the way for the International Space Station.  The Apollo-Soyuz mission was nothing if not historic, but also more relevant than ever as more nations become spacefaring. Continue reading “The Day The Russians And Americans Met 135 Miles Up”