On January 10, 2024, Sweden's next astronaut Marcus Wandt is scheduled to leave for the International Space Station (ISS). During his space journey, he will be a medical test subject and perform experiments on behalf of KTH. This gives Sweden another astronaut with strong links to KTH. As part of the Orbital Architecture research project, KTH researchers will investigate how people's physical and mental health is affected when being in confined spaces for long periods of time. Better design for extreme environments