Countries all over the world have been following China's space program. NASA Administrator Bill Nelson congratulated the China National Space Administration for the successful launch of the Shenzhou's three astronauts to the Tiangong space station. Russia's state space corporation, Roscosmos, also sent its congratulations. Russia is also considering sending a spacecraft to the Tiangong. The European Space Agency sent its good wishes. Congratulations were also sent from Space X CEO Elon Musk and former Canadian astronaut Chris Hadfield.