US plans to send Americans to Mars Aljazeera

Buoyed by a successful landing on Mars by a robot explorer, US President George Bush plans a major announcement on space policy next week that envisions sending Americans back to the moon and ultimately to Mars. Nearly a year after the shuttle Columbia exploded on re-entering the atmosphere, sending NASA into a deep spell of melancholy, Bush is expected to outline a sweeping vision of US space leadership, officials and congressional aides said on Thursday.