Expedition 55 was a mission to the International Space Station (ISS) that took place in 2018. It involved a crew of six astronauts and cosmonauts from various space agencies, including NASA, Roscosmos, and ESA. The mission focused on conducting scientific research and technology demonstrations in microgravity, contributing to our understanding of space and its effects on the human body. During Expedition 55, the crew performed experiments in fields such as biology, physics, and materials science. They also engaged in routine maintenance of the ISS and participated in educational outreach activities to inspire interest in space exploration among students and the public.