Barack Obama, the US president, is to outline his vision for the future of the nation's space programme on Thursday, including ending a programme to send US astronauts back to the moon in a decade.
But the move, due to a budget cut, has drawn criticism from Neil Armstrong, the first man on the moon, and two fellow astronauts, saying it will destroy, with a stroke of a pen, what has taken decades to build up.
Al Jazeera's Cath Turner reports.
Content on this website is for general information purposes only. Your comments are provided by your own free will and you take sole responsibility for any direct or indirect liability. You hereby provide us with an irrevocable, unlimited, and global license for no consideration to use, reuse, delete or publish comments, in accordance with Community Rules & Guidelines and Terms and Conditions.