 In March 2017, it was announced that "Mein Schiff 1" would join the fleet in May 2018, and would become the TUI Explorer.In July 2017, Thomson had announced that they would be extending the Thomson Spirit Lease until October 2018, and she will be based out of Palma for 18 April and then based in Malaga from May 2018 with her last cruise being on 21 October 2018.In March 2018, it was announced that Royal Caribbean Cruises and Ctrip were to close the SkySea Cruise Line brand and that the line's sole ship "SkySea Golden Era" would join the Marella fleet in place of "Mein Schiff 2" which would stay with "TUI Cruises."