Belarusian President Alexander Lukashenko is welcomed by Commandant of the Moscow Kremlin Sergei Udovenko as he arrives for a joint event with Russian President Vladimir Putin to meet with crew members of the 21st visiting expedition to the International Space Station (ISS) Roscosmos cosmonaut Oleg Novitsky and first Belarusian cosmonaut Marina Vasilevskaya at the Kremlin in Moscow, Russia.