Europe's 20-tonne supply ship for the International Space Station will have its maiden flight on Saturday 8 March.
The Automated Transfer Vehicle (ATV) will launch from the Kourou spaceport in French Guiana at 0425 GMT.
It will be lofted on a special Ariane 5 rocket that has been strengthened to carry its enormous weight.
More: http://news.bbc.co.uk/2/hi/science/nature/7231790.stm
Also: http://news.bbc.co.uk/2/hi/science/nature/7217726.stm