Tag: PRCB
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STS-133 refined to a five crew, one EVA mission – will leave MPLM on ISS
Shuttle managers have baselined STS-133 – by way of the Flight Definition Requirements Document (FDRD) mission update – into a 10+1+2 day mission, involving a crew of just five, a Flight Day 4 docking and just one EVA. The move was made to allow for additional mass to be carried by the Multi-Purpose Logistics Module…
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NASA updates requirements for STS-129 mission – window still under evaluation
With Atlantis deep in processing for STS-129 – and damage evaluations continuing on window 5’s pressure pane – engineers in OPF-1 (Orbiter Processing Facility 1) continue to prepare Atlantis for her scheduled November 12, 2009 launch to deliver the Express Logistic Carriers 1 and 2 (ELC-1 and ELC-2) to the International Space Station. Vehicle Hardware and Flow Updates: According…
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STS-133: Final Space Shuttle flight baselined into FDRD by NASA
After nearly thirty years of Space Shuttle operations – with only eight flights remaining on the Space Shuttle Program manifest – NASA’s Program Requirements Control Board (PRCB) has officially baselined the STS-133 mission into the Flight Definition and Requirements Document (FDRD) – a mission that, at this time, is expected to be the final flight…
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STS-134: PRCB Baselines Penultimate Shuttle Flight to Take AMS to Station
NASA mission planners have officially baselined the final two scheduled missions of the Space Shuttle Program, STS-133 and STS-134 – of which STS-134 is expected to fly first, in July 2010, based on an expected Change Request (CR) to move the flight that will deliver the Alpha Magnetic Spectrometer (AMS) to the International Space Station…
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Downstream processing and planning – preparing the fleet through to STS-135
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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NASA updates milestones for Atlantis’ STS-129 mission
With Atlantis and Endeavour now in their dual processing flows for the STS-125 mission to the Hubble Space Telescope, NASA managers have updated plans for shuttle Atlantis’ next mission – STS-129 – via the Launch Site Flow Review (LSFR). Highlighting the ever-fluctuating nature of the Space Shuttle Program (SSP), STS-129 was originally scheduled to fly…
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STS-125: NASA updates debris risks for Atlantis’ mission to Hubble
With less than one month to go before the launch of Space Shuttle Atlantis’ flagship mission to service the Hubble Space Telescope (HST), NASA managers are busy reviewing final statistics and analyses of the threat posed to Atlantis by Micro-Meteoroid Orbiting Debris (MMOD). With the MOD FRR (Mission Operations Directorate Flight Readiness Review) complete, the…
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STS-132: PRCB baselines Atlantis’ mission to deliver Russia’s MRM-1
With Discovery safely back from STS-119, Atlantis undergoing pad processing for STS-125, and Endeavour ready to roll to the VAB on Friday ahead of STS-400/127, NASA is hard at work preparing for a busy summer launch schedule while planning continues for future flights. Of these future flights, the Program Requirements Control Board (PRCB) has officially…
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STS-127: NASA managers recommend mission length increase to 16 days
Due to a conflict with Shuttle Crew Scheduling Constraints (SCSC) rules relating to off duty time during flight, NASA managers have recommended an increase of STS-127 to a 16 day mission (16+0+2). The confirmation came via a PRCB (Program Requirements Control Board) meeting presentation, which also outlined alternative options. The mission length will be under review…
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PRCB boosts FRR opportunity to approve March launch for STS-119
Members of a Special PRCB (Program Requirements Control Board) meeting on Wednesday have once again worked through a vast set of documentation, which concluded with positive results for STS-119’s Flow Control Valve (FCV) flight rationale, ahead of the ultimate launch date decision at Friday’s Flight Readiness Review (FRR). The presentations presented to the PRCB (all…