Throttle Go News Today

Briefly into a cloud, you could almost hear a quarter of a million gasps, until it reappeared in the bright blue sky. then "discovery" passed the 73-second mark, the moment "challenger" exploded. >> "discovery," go with throttle up. >> throttle go. >> reporter: the redesigned booster rockets had worked and the spent casings split off from the shuttle to drift to the sea for recovery. nasa was elated. even though they had launched more than an hour and a half late. >> and so be it, but i guarante...