On the 20th of February, 1986 at 00:28 “Salute-8” was set in to the near-earth orbit. It became the core module of the world’s first multi- modular orbital complex “MIR”. Throughout the station history 104 astronauts from 12 countries worked there. More than 23,000 experiments were conducted. “MIR” was deorbited and crashed into the Pacific Ocean in 2001.