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On July 15, 1975 Soyuz-19 spaceship was lifted aboard Soyuz-U launch vehicle. It was the first international space flight with the docking of Apollo, a US spaceship. The famous Soyuz-Apollo docking was a historical event and a symbol of rapprochement between the two superpowers in the period of détente during the long-lasting Cold War.
Interesting facts 2/3
On April 4, 2019, Glavkosmos JSC, under a contract with Arianespace, launched four communication satellites of O3b Networks, a subsidiary of Luxembourg-based satellite communications operator SES. The name O3b stands for “Other 3 billions”, which refers to the world's population, where broadband Internet is not available right now. Thanks to the O3b satellites, the Internet will come to them.
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Soyuz-2.1a became the first rocket launched from the new Russian space center Vostochny. The historical launch was conducted on April 28, 2016.