Expedition 50 was a mission to the International Space Station (ISS) that took place from November 2016 to April 2017. The crew included astronauts from NASA, Roscosmos, and ESA, who conducted scientific research and technology demonstrations in microgravity. During this expedition, the crew focused on various experiments, including studies on human health, materials science, and biology. They also performed maintenance tasks on the ISS and participated in educational outreach activities to engage the public in space exploration.