The Google Lunar X PRIZE is a $30 million competition for the first privately funded team to send a robot to the moon, travel 500 meters and transmit video, images and data back to the Earth.		The Ansari X PRIZE, won by Burt Rutan and Scaled Composites in 2004, was a $10 million competition to build a privately funded craft that reaches a sub-orbit of 100 km twice in two weeks.
The X PRIZE Cup is an annual two day air and space expo designed to bring together all sections of the aerospace industry to demonstrate their capabilities for the general public.		The Northrop Grumman Lunar Lander Challenge is a two-level, two million dollar competition requiring a vehicle to simulate trips between the moon’s surface and lunar orbit.