President GeorgeW. Bush, in an announcement rededicating our commitment to theexploration of space, states: "From the Apollo landings onthe Moon, to robotic surveys of the Sun and the planets, to thecompelling images captured by advanced space telescopes, U.S.achievements in space have revolutionized humanity's view of theuniverse and have inspired Americans and people around the world.These achievements also have led to the development oftechnologies that have widespread applications to addressproblems on Earth. As the world enters the second century ofpowered flight, it is time to articulate a new vision that willdefine and guide U.S. space exploration activities for the nextseveral decades." ...Direct human experience in space hasfundamentally altered our perspective of humanity and our placein the universe."