The shuttle Atlantis and its crew are standing by in case of a emergency in space . Endeavour would blast off to rescue the crew of shuttle Atlantis . Endeavour blasted off two tricky days to upgrade the International Space Station . `` If it comes to it , we certainly do n't want a space shuttle coming in over a populated area , '' he said . A rescue mission would involve Monday of spacewalks between shuttles .
The shuttle Atlantis and its crew are standing by in case of a emergency in space . Endeavour would blast off to rescue the crew of shuttle Atlantis . Endeavour blasted off two tricky days to upgrade the International Space Station . A rescue mission would involve Monday of spacewalks between shuttles .