Expedition 50 began upon the departure of Soyuz MS - 01 on October 28 , 2016 .
Expedition 50 was concluded upon the departure of Soyuz MS - 02 on April 10 , 2017 .
Expedition 50 began upon the departure of Soyuz MS - 01 on October 28 , 2016 and was concluded upon the departure of Soyuz MS - 02 on April 10 , 2017 .