21.   The decision will delay for at least the third time a repair mission to reconnect three vital solar panels.

22.   The Discovery remains poised for a repair mission to the Hubble telescope.

23.   The repair mission will only add to the workload.

24.   The repair mission will also be delayed because the crew has been instructed to take several days off and get more rest.

25.   The Soyuz capsule will carry cosmonauts Anatoly Solovyev and Pavel Vinogradov on a high-priority repair mission to the damaged Mir space station.

26.   They also will install handrails to assist spacewalkers who return to the damaged areas on repair missions.

27.   This could make scheduling tricky, because the shuttle is needed next month for a Hubble Space Telescope repair mission, which is already facing delays.

28.   Three years later, shuttle astronauts managed to correct the difficulties with a do-or-die repair mission.

29.   A new crew will spend their first day on the damaged Russian space station Friday learning their way around and preparing for a daunting repair mission.

30.   An investigation will be launched, he said, and a repair mission scheduled for Wednesday will be delayed by at least two days.