GN13600 caption: Picture shows the Cosmopolis XXI Aerospace System (C-21) full-scale model which was displayed at Zhukovsky Air Base near Moscow, Russia, on March 14, 2002. The C-21 is one of the spacecraft that will be used exclusively for Space AdventuresŐ sub-orbital flights. The rocket-powered C-21 is capable of flying one pilot and two paying Space AdventuresŐ clients on a sub-orbital space flight, reaching altitudes of over 62 miles (100km). At the peak of its parabolic trajectory, passengers will experience several minutes of weightlessness and see the Earth from space. MUST CREDIT Space Adventures, Ltd.