The First Space Station Was a Soviet Secret That Ended in Tragedy — Now 7 Nations Share One
In 1971, the Soviet Union launched Salyut 1 — the first space station. Its first crew died during reentry. 55 years later, the ISS has hosted 280+ astronauts from 22 countries in continuous occupation since 2000.
Key Takeaways
- •1971: Salyut 1 — first space station, launched by the Soviet Union
- •Soyuz 11 crew are the only three humans to have died in space
- •Since November 2, 2000, humans have continuously lived in space
- •ISS cost $150 billion — the most expensive single object ever built
Root Connection
The ISS — humanity's most expensive single object ($150 billion) — traces directly to Salyut 1, a hastily converted Soviet military station launched in 1971 that ended in the death of its first crew.
Continuous Human Presence in Space
Days of continuous habitation — ISS unbroken since Nov 2, 2000
Source: NASA / Roscosmos
Timeline
Salyut 1 launches — first space station. Soyuz 11 crew dies during reentry.
NASA launches Skylab — America's first station. Crew fixes it with a parasol in space.
Mir launches — first modular space station. Continuously occupied 1989-1999.
ISS construction begins — Zarya module launches from Kazakhstan
ISS permanently occupied from November 2 — humans haven't left space since
China's Tiangong station fully operational — second permanently crewed station
ISS has hosted 280+ people from 22 countries. Retirement planned ~2030.
On April 19, 1971, the Soviet Union launched something the world had never seen: a space station. Salyut 1 — officially "Durable Orbital Station 1" — was a cylinder 20 meters long, designed for crews to live and work in orbit for weeks at a time.
It was a triumph of Soviet engineering, born from a hastily modified military space station design. The first crew, aboard Soyuz 10, attempted to dock but failed due to a hatch malfunction. They returned to Earth without ever entering the station.
The second crew succeeded. On June 7, 1971, cosmonauts Georgy Dobrovolsky, Vladislav Volkov, and Viktor Patsayev docked with Salyut 1 and floated inside. They spent 23 days conducting experiments — the longest space mission at the time.
Then tragedy struck. During reentry on June 30, a ventilation valve in their Soyuz 11 capsule opened at an altitude of 168 kilometers, depressurizing the cabin. The crew had no spacesuits — the capsule was too small to fit both suits and three cosmonauts. All three died within seconds. They remain the only humans to have died in space (as opposed to during launch or reentry through the atmosphere).
The Soyuz 11 crew — Dobrovolsky, Volkov, and Patsayev — spent 23 days aboard Salyut 1. They died minutes before landing when a valve opened and depressurized their capsule. They are the only humans to have died in space.
The tragedy forced a complete redesign of the Soyuz spacecraft and delayed the Soviet space station program for years. But the vision survived.
America responded with Skylab in 1973. Launched from a modified Saturn V rocket, Skylab was damaged during launch — its heat shield and one solar panel torn off. In one of NASA's most legendary improvised repairs, the first crew deployed a makeshift parasol through a scientific airlock to replace the heat shield, saving the station. Three crews occupied Skylab over nine months before it was abandoned.
The Soviet Union continued with a series of Salyut stations through the 1970s and early 1980s, each more capable than the last. Then in 1986, they launched Mir — the first modular space station, assembled piece by piece in orbit. Mir was continuously occupied from 1989 to 1999 and set records for long-duration spaceflight that stood for decades.
The end of the Cold War created an opportunity. In 1993, the United States and Russia agreed to build a station together — along with Canada, Japan, and the European Space Agency. Construction of the International Space Station began in 1998 when the Russian Zarya module launched from Kazakhstan.
Since November 2, 2000, there has always been at least one human being in space. Every single day. For over 25 years. We don't think about it, but we are already a spacefaring civilization.
On November 2, 2000, Expedition 1 — American commander Bill Shepherd and Russian cosmonauts Yuri Gidzenko and Sergei Krikalev — arrived at the ISS. They haven't left. Not them personally, of course — but since that day, there has always been at least one human being living in space. Every single day. For over 25 years. We are already a spacefaring species and most people don't even realize it.
The ISS has hosted over 280 people from 22 countries. It cost approximately $150 billion — making it the most expensive single object ever built. It orbits Earth every 90 minutes at 17,500 mph, meaning its crew sees 16 sunrises every day.
The root of the ISS — of humanity's permanent presence in space — is a Soviet cylinder launched in 1971, and three cosmonauts who gave their lives proving it was possible.
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