Even though shuttle managers are preparing for two missions in the space of a month, efforts on the downstream flights are at various stages of processing and planning, all the way through to STS-135 – which is currently the LON (Launch On Need) placeholder for what is currently the last shuttle mission – STS-134 – [...]
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The usual ballet of reviews to ensure safe flight has moved through another key stage, following the full review of STS-119′s IFAs (In Flight Anomalies). With the next two missions heading to different orbital destinations, part of the IFA review will go towards STS-125′s upcoming Flight Readiness Review (FRR), and the ISS related section forwarded [...]
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Discovery continues to perform without any issues of note as her crew completed the task of remotely deploying the 1B and 3B solar arrays from the newly installed S6 integrated truss structure on the International Space Station (ISS). The operation was a huge success for both arrays, which are now fully deployed on the Station.
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A waiver to be issued for STS-119 on the RSRB (Reusable Solid Rocket Motor) Aft exit cone linear shaped charge (LSC) – which is designed to sever exit cone from the booster shortly before impact with the ocean.
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An assessment into the holddown post failure on STS-126′s launch has found that debris that is not captured by the Debris Containment System (DCS) is capable of impacting the vehicle during launch. A solution to STS-126′s anomaly is currently being certified for STS-119.
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Engineers will meet in the middle of January to push forward with a redesign of the Holddown Post (HDP) Debris Containment System (DCS), in time for the launch of STS-119 – following an investigation into a debris incident during STS-126′s launch.
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As NASA’s triumphant 2008 year comes to a close – a year that saw four Space Shuttle construction flights to the International Space Station (ISS) - engineers around the United States are working hard to ensure a safe and successful 2009, starting with the launch of Discovery’s STS-119 mission in February, via lessons learned from STS-126.
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The Shuttle Carrier Aircraft (SCA) has returned Endeavour to Florida on Friday, following a cross country ferry trip that has seen large crowds greet the duo in Texas and Louisiana. Meanwhile, shuttle managers have completed a post mission IFA (In Flight Anomaly) review of STS-126, with highlights including information on a holddown post issue.
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STS-126 will see the flight debut of two new sets of instrumentation, aimed at gathering more detailed data on RSRM (Reusable Solid Rocket Motor) behaviour during the first stage of launch. The resulting data will benefit the efforts to understand and mitigate Thrust Oscillation on Ares I.
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