51.   The shuttle is a direct descendant of the Eastern Shuttle, run by the now-defunct Eastern Airlines.

52.   The shuttle is due to return to Florida on Sunday.

53.   The shuttle is not equipped for dockings and is in an orbit that makes it impossible for it to reach the space station, NASA officials said.

54.   The shuttle is to chase the station around the Earth before docking with it on Saturday.

55.   The three engines shut down while the shuttle was still on the launching pad.

56.   The shuttle is available for guests and nonguests.

57.   Then, the shuttle will be visible because of its two solid booster rockets, whose brilliant orange-yellow plumes shine roughly half as bright as the sun.

58.   There are shuttles available from both airports to Disneyland, California Adventure and the surrounding hotels.

59.   There will also be a shuttle to Atlanta, site of most Olympic events.

60.   Today, the weekday shuttles are strictly business.