launch shuttle 1.25   Never before has NASA launched shuttles in such quick succession.
  take shuttle 1.05   Take a shuttle.
  schedule shuttle 0.79   The shuttle is scheduled to land Friday.
  board shuttle 0.66   The astronauts had not yet boarded the shuttle.
  run shuttle 0.66   Candidates, too, run shuttles.
  dock shuttle 0.59   It will be the first spacewalk by American astronauts while the shuttle is docked to Mir.
  damage shuttle 0.53   Any falling chunks could damage the shuttle during liftoff.
  land shuttle 0.53   NASA prefers to land its shuttles in Florida to save time and money.
  bring shuttle 0.46   NASA could bring the shuttle down at White Sands, N.M., as a last resort.
  use shuttle 0.46   He started making a point of using that shuttle.
  fly shuttle 0.33   One reporter would fly the shuttle.
  fuel shuttle 0.33   But by Wednesday night, the rain had stopped and the full moon could be seen peeking from behind scattering clouds as NASA began fueling the shuttle.
  ground shuttle 0.33   The shuttle would be grounded until May.
  have shuttle 0.33   The resort has frequent shuttles into Waikiki, a half-hour away.
  propel shuttle 0.33   The company also manufactures the main fuel tanks that propel shuttles into space.
  steer shuttle 0.33   A momentary drop in pressure in the system that steers the shuttle triggered an alarm.
  begin shuttle 0.26   Christopher is to begin his shuttle of the region in Israel on Thursday.
  exit shuttle 0.26   The men got a late start and did not exit the shuttle until well after midnight Monday.
  keep shuttle 0.26   NASA said it will keep the shuttle at the station for an extra day, if necessary.
  move shuttle 0.26   NASA wants the cable repaired or replaced before moving the shuttle to the launch pad after the holidays.
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