Tag: STS-125
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STS-125 launch target moves to February 17 – crucial week for Hubble
STS-125 has been given a new “work-to” launch date of February 17, pending a November 5 meeting that will likely result in a Change Request (CR) to officially re-align the near-term launch manifest. Hubble troubleshooting is proceeding well, with NASA engineers preparing to switch over from the Side A control system, to the back-up Side B.…
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Dual flow ballet for Endeavour and Atlantis – De-stack debate
Preliminary milestone schedules have been created for the complex dual processing flows of Atlantis and Endeavour – which will hopefully result in the latter launching in just under six weeks time. While plans are now solidifying for the short term, evaluations are continuing on whether Atlantis will need to be de-stacked over the New Year.…
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Atlantis to rollback to VAB on October 20 – Hubble troubleshooting latest
As NASA and the SSP (Space Shuttle Program) refine their orbiter schedules, preparations for STS-125’s rollback to the Vehicle Assembly Building (VAB) are proceeding – with confirmation that payload removal operations will begin this weekend. October 20 has been pencilled in for Atlantis’ rollback from Pad 39A, which will clear the pad for hosting Endeavour.…
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Hubble control system failure – STS-125 launch date delayed
A major failure of the “Side A” control system on the Hubble Space Telescope has delayed STS-125’s launch as far as 2009. The failure has shut down Hubble’s science operations, and is currently unable to send data back to Earth. Attempts will be made to switch to the “Side B” control system later this week. Switching…
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TCDT concludes, FRR begins – STS-125 slips to NET Oct 14
STS-125’s Terminal Countdown Demonstration Test (TCDT) – the dress rehearsal for next month’s launch – ended at 11:00am local time this morning, as shuttle managers head into the SSP (Space Shuttle Program) Flight Readiness Review (FRR). While the Agency FRR sets the launch dates, NASA managers have now confirmed a NET (No Earlier Than) launch…
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STS-400 rolls out of VAB – STS-125 payload delay to Saturday
A problem during the preparation of Atlantis’ Hubble Servicing payload has delayed its arrival at Pad 39A until Saturday. As a result, STS-125’s launch date is in real danger of slipping – with a re-evaluation of the flow timelines on Monday. Meanwhile, Endeavour has begun to rollout to Pad 39B shortly, following a 24 hour…
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FRR to discuss unique safety requirements for STS-125 and STS-400
As preparations continue on Atlantis and Endeavour for their respective roles on STS-125 and STS-400, Boeing – at the direction of NASA – has identified three unique safety issues for the flagship mission and two unique safety issues for STS-400. These issues will make up the bulk of the upcoming Flight Readiness Reviews (FRR) –…
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Damaged GH2 valve under evaluation on STS-125’s External Tank
Engineers are working on a problem observed with Atlantis’ External Tank (ET-127), which will likely require the removal and replacement of a valve.Mold impressions of the damaged GH2 two inch disconnect valve were taken overnight, with meetings taking place on Friday to discuss a forward plan. However, should R&R be required, work is expected to…