The Shenzhou V manned spaceship is China’s first manned spaceship developed on the basis of unmanned spaceship, and has the ability to carry out automatic return under emergency, the manually-controlled return, the return in the second or third day. An astronaut will ride the spaceship, and he can, in accordance with the preset procedure and the commands from the ground, manually re-send the important commands for release of spaceship and unfolding of solar cell array.