NASA aims for April 5 space shuttle Discovery launch

NASA will run tests later this week to determine whether its safe to fly shuttle Discovery despite valve trouble that cropped up over the weekend during a critical propellant-loading operation at Kennedy Space Center. The tests, if successful, could provide managers with the data required to prove Discovery could launch as scheduled on April 5 and still fly its International Space Station outfitting mission safely. More

(Source: USA Today - Mar 17)