Bremen is one of the most significant aerospace locations in Europe. The European contribution to the International Space Station (ISS) was based at Airbus Defence & Space. The provisioning and logistics at a height of over 400 km high challenges the engineers: how do the astronauts receive water and food? How do they live, sleep and do research in weightlessness? The Columbus Model provides exciting answers. Also take a look at the production of the Ariane rockets which bring satellites into their orbit. And what does a litre of milk weigh on the moon?