31.   Once the tethered satellite experiment is completed, the shuttle astronauts will join teams of ground researchers for a series of physics and biotechnology experiments.

32.   Shuttle astronauts blast off for the U.S.-led international space station this week to dock with the fledgling outpost for the first time.

33.   Shuttle astronauts will join the two pieces of station in orbit, marking the start of assembly of the largest and most complex structure ever built for space.

34.   Shuttle astronauts used eight vials of dust samples, including one containing volcanic ash from Mount Shasta in Northern California, for the experiment.

35.   Shuttle astronaut Story Musgrave, who led the spacewalk team that repaired the Hubble, will choreograph the activities from his communications post aboard Columbia.

36.   Shuttle astronauts are to return to the fledgling outpost with more components and equipment in May.

37.   Shuttle astronauts plan to begin regular docking flights to the Russian Mir space station in May.

38.   Spacewalking shuttle astronauts are to assemble the station piecemeal over five years in an East-West partnership.

39.   So he decided to test whether the pills were really helping shuttle astronauts.

40.   That distinction went to the shuttle astronauts who initiated the six-year effort to build the station by joining the first two components in orbit last December.