Fuglesang, who is on his second flight on Discovery, will carry out two space walks to remove and replace a materials processing experiment outside the European Space Agency's Columbus module and return an empty ammonia tank assembly.
After Friday night's launch Fuglesang, wrote a message for the Swedish National Space Board's website:
"We're underway! It feels less shaky than last time. I haven't had much time to look outside yet, we've worked hard, but Discovery is now properly configured for space. Weightlessness is just as fun as last time. I've had a small and very late dinner, and now I'll sleep."