21.   Flight controllers reported that all systems were functioning normally and that the shuttle was on course to meet the Mir.

22.   In addition, the shuttle is to bring back about a ton of scientific samples, equipment and other material from Mir.

23.   In addition, the shuttle is to bring back about a ton of scientific samples, equipment and other material from the Russian craft.

24.   In July, the shuttle Endeavour is to lift off with the Node One, a structural gateway that is to link the future U.S. and Russian components.

25.   Indeed, on average the East Coast shuttles are less than half full each flight.

26.   Key for the tunnel now, particularly for its passenger shuttle will be the summer season traffic, analysts said.

27.   Los Angeles shuttles are among the most frequent departures from both San Francisco International and Oakland International airports.

28.   Meanwhile, the shuttle Atlantis is at Edwards Air Force Base being prepared for its own cross-country trip to Florida.

29.   NASA officials downplayed the problem and said the shuttle never was in danger.

30.   No shuttle is required now, and in addition, there are other outstanding benefits.