ISS: Soyuz spacecraft undocks from ISS ahead of journey back to Earth

The Soyuz TMA-20M spacecraft successfully undocked from the International Space Station (ISS) on Tuesday, starting its journey to bring the Expedition 48 crew back to Earth after a six-month mission aboard the ISS. The three cosmonauts were launched to the Space Station aboard a Soyuz rocket on March 18, 2016. Members of Expedition 48 NASA astronaut Jeff Williams and Russian cosmonauts Oleg Skripochka and Alexei Ovchinin will be returning after 172 days in space since their launch in March 2016. The ISS cr