Today Is The Anniversary Of The First-Ever International Space Mission

On July 15, 1975, NASA launched an Apollo spacecraft carrying three US astronauts. Two days later, on July 17th, this craft docked with the Soviet Union “Soyuz” spacecraft.

The Soviet craft had two Soviet cosmonauts on board and the rendezvous marked the first ever international space mission.

credit: NASA

Credit: NASA

According to NASA, the Apollo-Soyuz mission was,

“Designed to test the compatibility of rendezvous and docking systems and the possibility of an international space rescue, the nine-day Apollo-Soyuz mission brought together two former spaceflight rivals: the United States and the Soviet Union.”

The “Soyuz” spacecraft was the primary Soviet manned spacecraft since it was introduced in 1967.

credit: BBC

credit: BBC

The docking module used in this mission was designed and constructed by NASA. Prior to the Apollo-Soyuz mission, astronauts had never transferred from one spacecraft to another in outer space.

The docking modules served as an air-locked corridor that allowed the astronauts to travel between the two spacecrafts. The docking was successful.

The  U.S. and Soviet astronauts spent two days together, carrying out five joint experiments. At the end of their time together, they exchanged commemorative items.

The success of their mutual efforts paved the way for decades of international cooperation in space exploration, and laid the political groundwork which eventually led to the construction of the International Space Station, which began in November 1998.

Check out the full story from NASA here.

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