Expedition 54 was the 54th expedition to the International Space Station, which began upon the departure of Soyuz MS-05 on December 17, 2017 and concluded upon the departure of Soyuz MS-06 on February 27, 2018. Alexander Misurkin, Mark Vande Hei and Joseph Acaba were transferred from Expedition 53, with Alexander Misurkin taking the commander role. Transfer of Command from Expedition 54 to Expedition 55 was done on February 26, 2018. Expedition 54 officially ended on February 27, 2018 23:08 UTC, with the undocking of Soyuz MS-06.