As NASA’s defunct Upper Atmospheric Research Satellite (UARS) continues to head towards its death – which will result in re-entry around September 23 – NASA managers have discussed ways of improving their fragmentation models for future returning spacecraft, with the aim of reducing the the debris footprint for hardware which may threaten to survive entry.
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Following a run of “clean” flights during 2008 – thanks to continued progress in reducing foam liberation from the External Tanks – the Space Shuttle Program (SSP) Flight Readiness Review (FRR) focused on the threat of ice liberation during ascent for 2009′s opening mission, STS-119. This follows a near miss with a large piece of [...]
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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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