You develop your space center, open space exploration programs ranging from the early probes and space planes to projects that are based on possible future developments.

FORBES: The Return of "Buzz Aldrin's Race into Space" Game

The Blue side also had a National Missile Defense system, as well as reusable space planes that could be launched to quickly place new satellites in orbit or repair and refuel ones already there.

CENTERFORSECURITYPOLICY: Grasping the Importance of Space Power

Its backers, who include Tom Clancy, a rich novelist, are betting that its radical design will prove superior to dreary old rockets and space-planes.

ECONOMIST: On a rotor-blade and a prayer | The