[ad_1] Astronaut Alexander Gerst is the first German to take command of the ISS. During the long-term "Horizons" mission, which began on June 8 and lasts until December 2018, Gerst will be …
Read More »[ad_1] Astronaut Alexander Gerst is the first German to take command of the ISS. During the long-term "Horizons" mission, which began on June 8 and lasts until December 2018, Gerst will be …
Read More »