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The combination of electrical engines with solar arrays, well shielded against radiation long-term LSS, and remote control robot-manipulator system named “Space Rover” is shown to be very promising tool for space exploration. General parameters of space ship based on already developed components, and parameters of flight are considered. Optimal structure of hybrid LSS for middle space range space missions is calculated. As optimization criteria minimum mass and maximum reliability are chosen. Combinations of biological and physical-chemical components are evaluated. It is shown that namely hybrid LSS provide the highest level of reliability and the best mass parameters.

Needs in LSS depend on the degree of human participation in space flight. On the other hand the decision of human participation in long-term space missions depends on ability to provide safety of crew. As a mission type which can provide satisfactory safety “Space Rover” mission can be considered “Space Rover” is a fully reusable space ship with ionic thrust and solar panels or nuclear reactor as power source. It contains highly autonomous (closed), reliable and comfortable LSS (including both higher plants and some back-up system). Planet exploration and exploitation are conducted with robots which are controlled via radio waves without time delay In the paper arguments pros and cons of “Space Rover” and traditionally discussed mission scenarios are considered.