Dr. Kira Foster (Ariana DeBose) and Christian Campbell (John Gallagher Jr.) are welcomed aboard the International Space Station by the other American, Gordon (Chris Messina), and a team of three Russian cosmonauts: Weronika (Masha Mashkova), Nicholai (Costa Ronin), and Alexey (Pilou Asbæk).  The six have a celebration as it is Kira’s first time on the…