Discovery undocks from space station and begins journey home
âThank you guys for the module and all your help,â said space station commander Peggy Whitson as Discovery pulled away from the orbiting outpost.
Discoveryâs crew arrived at the station on October 25 and quickly accomplished the ambitious tasks of moving a massive solar power tower and installing the module, a school bus-sized compartment that will serve as a docking port for future laboratories.
But their toughest assignment emerged when one of the newly installed towerâs wings ripped in two places as it was being unfurled.
Fearing the damage could worsen and the wing could be ruined, NASA sent a spacewalking astronaut far from the safety of the station to make emergency repairs on what amounted to a live electrical generator.
Saturdayâs spacewalk has allowed the space agency to push forward with plans to launch the shuttle Atlantis and its major cargo â a new European lab â in December.
Shortly after undocking, the shuttle flew a full lap around the station, primarily so crew members could take pictures of the outpostâs new configuration.
Computer problems forced pilot George Zamka to navigate the loop without help from software that provides information about the shuttleâs path. But Discovery commander Pamela Melroy and Mission Control said he did a perfect job.
âWe would never know that he doesnât have the data. It looks great,â said Mission Control.
Astronaut Daniel Tani, who flew to the station aboard Discovery and will remain in orbit for two months, radioed the shuttle crew a last goodbye as they finished circling.
âI miss you already,â he said. âFly safe. Get home safe. Iâll see you on the ground.â
âYep, weâll see you on the ground,â Ms Melroy replied. Discovery is scheduled to land tomorrow.




