1.   Challenger Learning Centres aim to give children something of the excitement and adventure of a shuttle mission.

2.   It also provides a docking facility for later shuttle missions.

3.   ...the first shuttle mission.

4.   And this is the sixth of nine planned shuttle missions to the Mir.

5.   As of Wednesday evening, the shuttle mission was going smoothly, with no significant problems.

6.   Backup computers took over, and the shuttle mission, the first to be commanded by a woman, continued.

7.   Bad weather at the Kennedy Space Center prevented NASA from launching a shuttle mission last week that would have brought fresh batteries to the fledgling station.

8.   A half-dozen NASA shuttle assembly missions and five Russian Progress cargo and Soyuz crew capsule flights followed as planned.

9.   A U.S. shuttle supply mission to the fledgling outpost is planned for May.

10.   After a week of abbreviated astronaut training, culminating in the intricate shuttle mission, they understood a little better what John Glenn must be feeling.