Expedition 54/55 was a mission to the International Space Station (ISS) that took place from December 2017 to June 2018. It involved a crew of six astronauts and cosmonauts who conducted scientific research and technology demonstrations in microgravity. The mission aimed to advance knowledge in various fields, including biology, physics, and Earth sciences. The crew included members from NASA, Roscosmos, and the European Space Agency (ESA). Notable experiments during this expedition focused on studying the effects of space travel on the human body and testing new materials for future space exploration. The mission contributed to ongoing efforts to prepare for long-duration missions to Mars and beyond.