[The Jupiter-2 slow-rotation system]

The experience of space missions shows that functional disorders in crewmembers on the type of space motion sickness (SMS) may develop on the initial stage of flight. Longer exposure in micro-g causes a wide range of debilitative changes in the vital body systems. Artificial gravity produced by spacecraft rotation might be a universal tool to counteract the impacts of prolonged microgravity on the human body. However, the significance of SMS does not become less high because of a new factor, i.e. the rotating environment. Research system Jupiter 2 is a stand-alone slow-rotating ground facility for simulating motion sickness equivalent to its space form. The merits of this facility are the possibilities to control the intensity of exposure, perform long-term investigations of two active subjects simultaneously, and study the stages of body adaptation to this agent, and assess physical and operator's performance. The facility carries large expectations to occupational selection.