At the end of the movie “I.S.S.,” the tension between the American and Russian astronauts aboard the International Space Station culminates in a violent confrontation. Both Alexey and Kira attack Christian, ultimately suffocating him to death with a souvenir, a gift from Gordon. During the conflict, Alexey suffers a stab wound. The movie concludes with this intense and dramatic resolution, reflecting the broader theme of international tension and survival in an isolated environment