http://news.bbc.co.uk/1/hi/sci/tech/4446901.stm
Managers of the US space programme (Nasa) have honed in on a new launch date for shuttle Discovery, amidst growing confidence that its spaceships are ready to resume flights after more than two years of work to recover from the Columbia disaster.
Following a top-level meeting to review safety upgrades ordered after the fatal 2003 accident, the shuttle and its seven-member crew were retargeted for launch on 22 May - one week later than previously scheduled.
http://news.bbc.co.uk/2/hi/science/nature/4468011.stm