Complex sentence: Soyuz MS-04 is a Soyuz spaceflight that launched on 20 April 2017 to the ISS It transported two members of the Expedition 52 crew to the International Space Station.
Split into simpler sentences: Soyuz MS-04 is a Soyuz spaceflight that has been launched on 20 April 2017. It has transported two members of the Expedition 52 crew to the International Space Station.