Moon and Mars vision objectives

In 2004 NASA introduced a new space exploration vision. This vision will result in robotic and human return of to the Moon by 2020 and the preparation for human exploration to Mars. Its objectives are to complete the International Space Station (ISS) by 2010, retire of the Space Shuttle by 2010, develop and implement a sustained programme to explore the solar system and extend human presence, develop innovative technologies and promote international and commercial participation in the future exploration.