Tag: EVA
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NASA reviews mission parameters for Hubble flight via FRR
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. Space Shuttle Program (SSP)…
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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 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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ISS Spacewalk completed – SARJ results show promise following STS-126 work
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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Endeavour readied for Friday undocking – Thanksgiving on ISS for STS-126
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. Endeavour is being put through the final requirements…
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Marathon EVA-3 builds on SARJ work – NOAX gun option explained
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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STS-126: EVA-1 opens major effort to repair SARJ on Station
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). An issue was worked ahead of the EVA, with issues…
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Another EMU glove modification to debut on STS-126
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. Endeavour’s mission next month will focus heavily on EVA work on…