STS-125 is pressing through EOM (End Of Mission) activities, following the successful testing of Atlantis’ flight systems by the flight crew on FD11 ahead of the return home. With the Thermal Protection System (TPS) cleared for entry, Atlantis was hoping to land on one of two opportunities in Florida, before both attemtps were waved off.
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The STS-125 crew are completing the final servicing tasks on the Hubble Space Telescope via the fifth and final spacewalk of the mission. EVA-5 spacewalkers John Grunsfeld and Drew Feustel have completed all the required tasks to ensure full mission success on the servicing mission.
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For Flight Day 7 of STS-125, Atlantis’ crew turned their attention to the forth EVA of the mission, focusing on the repair of the STIS instrument. Mike Massimino and Mike Good beat EVA-2’s duration by recording an eight hour EVA-4, which was forced to delete one item from the timeline. Meanwhile, the Damage Assessment Team (DAT) have overviewed Atlantis’ TPS to [...]
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While STS-125 continues to enjoy a successful Hubble servicing mission - marked by a hugely successful third spacewalk - Endeavour has progressed to a standby point for her STS-400 LON (Launch On Need) role, which is expected to be stood down after the Damage Assessment Team (DAT) evaluation of Late Inspection data near the end of Atlantis’ mission.
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STS-125’s John Grunsfeld and Andrew Feustel have completed and extended 7hour, 20 minute EVA-1 - the first of five back-to-back spacewalks - which included with the replacement of the troublesome SI C&DH (Science Instrument Command and Data Handling) system. No major issues have been reported with Atlantis, as her Thermal Protection System (TPS) is provisionally cleared for [...]
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With Space Shuttle Atlantis and her crew now less than two weeks away from launch on the highly anticipated fifth and final servicing mission to the Hubble Space Telescope, NASA managers are continuing their review of all critical elements of the mission ahead of the now planned May 11 launch date.
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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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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.
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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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Expedition 18 crewmembers Yury Lonchakov and Michael Fincke have performed a Russian spacewalk (ISS RS EVA-21), which has included the installation of a probe to aid the on-going investigation into the off-nominal re-entries of two Soyuz vehicles. Meanwhile, the continued assessments into work conducted during STS-126’s EVAs on the Solar Alpha Rotary Joints (SARJs) are [...]
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With Flight Day 14 marking the STS-126 crew’s final day onboard the International Space Station (ISS), the performance of Endeavour during her docked mission has been almost issue-free mission, which has allowed the Mission Management Team (MMT) to focus their attentions on other elements of the mission.
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Spacewalkers Heide Stefanyshyn-Piper (EV1) and Steve Bowen (EV2) have completed the third of four EVAs during STS-126, once again focusing on the starboard SARJ (Solar Alpha Rotary Joint). If required, a back-up option of a modified NOAX Gun is available for the remaining EVA tasks on EVA-4 - following the loss of two grease guns during EVA-1.
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Spacewalkers Heidemarie Stefanyshyn-Piper (EV1), and Stephen Bowen (EV2) have completed the first of four EVAs planned for STS-126, which are centered around replacing the Trundle Bearing Assemblies (TBAs) - along with cleaning and lubricating tasks - on the troublesome starboard SARJ (Solar Alpha Rotary Joint).
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Ever since a small amount of damage was observed on Robert ‘Beamer’ Curbeam’s EMU gloves during post flight checks after STS-116, NASA engineers have been creating ingenious modifications to improve the safety of their spacewalkers - the latest of which will debut on STS-126.
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