Tag: ISS
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ISS concern over S1 Radiator – may require replacement via shuttle mission
Imagery taken of the delaminated panel on the International Space Station’s S1 Radiator has revealed a “structural risk” on the array, which has the potential to create an ammonia leak in the External Thermal Control System (ETCS). NASA managers are considering options that include flying a replacement radiator array on a downstream shuttle mission, along…
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Soyuz TMA-14 launches towards the International Space Station
A Russian Soyuz launch vehicle has launched from the Baikonur Cosmodrome in Kazakhstan at 6:49am CDT, carrying NASA astronaut Michael Barratt, Russian cosmonaut Gennady Padalka, and spaceflight participant and U.S. software engineer Charles Simonyi. The trio were launched in the storied Soyuz TMA that consists of Orbital Module, a Descent Module and an Instrumentation/Propulsion Module,…
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STS-119: Amazing Discovery undocks from ISS, heads to Late Inspection
Shuttle manager John Shannon has described Discovery’s performance as “amazing”, ahead of Wednesday’s undocking from the International Space Station (ISS). Discovery is now heading to Late Inspections of her Thermal Protection System (TPS) on Flight Day 12 of STS-119. Final Shuttle/Station transfers took place prior to undocking, mainly relating to human samples stored in cold…
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STS-119: NASA troubleshoots during problematic final EVA
Spacewalkers Richard Arnold and Joseph Acaba have completed the final EVA of STS-119, tasked with several replanned elements, including troubleshooting on the Unpressurized Cargo Carrier Attach System (UCCAS), which proved to be problematic. Meanwhile, no issues of note are being worked on Discovery, although engineers are monitoring the amount of propellant Discovery has been using…
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Packed EVA-2 completed on FD7 of STS-119 – Discovery round-up
Due to the deletion of EVA-4 from the docked phase of STS-119, spacewalkers Joseph Acaba (EV3) and Steven Swanson (EV1) were tasked with a packed EVA-2 on Flight Day 7. Meanwhile, Discovery continues to perform like a champ, with no issues of note being worked. STS-119 EVA-2: Saturday’s EVA saw the spacewalkers prepare for the…
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STS-119: SAW deploy success highlights Flight Day 6
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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STS-119 EVA-1: Final Truss Segment S6 installed on Station
Following the successful handover of the S6 truss element to the Space Station Remote Manipulator System (SSRMS) on Wednesday, astronauts Steven Swanson and Rick Arnold have completed STS-119’s first Extravehicular Activity (EVA) on Flight Day 5. The first of three planned EVAs for STS-119 saw Swanson and Arnold install the final integrated truss element –…
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Clean Discovery completes RPM and ISS docking
Discovery has docked with the International Space Station (ISS) on Flight Day 3, as the initial TPS (Thermal Protection System) inspection images show a very clean orbiter. Prior to docking, Discovery carried out the RPM (Rbar Pitch Maneuver) for a full check of her TPS and belly. The STS-119 crew head to the Station with…
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RED threshold late notice conjunction threat misses ISS – Crew egress Soyuz
The three members of Expedition 18 carried out the contingency of “evacuation” into the Soyuz spacecraft attached to the International Space Station (ISS), following a “RED threshold late notice conjunction threat” alert, related to Object “25090 PAM-D” debris. The threat passed with no impact, allowing the crew to egress back into the Station. Tracking of the…
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L-1 for STS-119, minor troubleshooting at pad – ISS EVA complete
STS-119 is one day away from the opening launch attempt, with only a few issues of note are being worked on by engineers out at Pad 39A. One ealier issue that has been resolved related to the Seat Detailed Test Objective (DTO), which will gather information on Thrust Oscillation (TO) for Ares I. Meanwhile, two members…