Posts Tagged ‘EVA’

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Successful EVA likely to have resolved ammonia leak


Spacewalkers Chris Cassidy (EV-1) and Tom Marshburn (EV-2) ventured outside of the Quest Airlock on Saturday, in search of the source of an ammonia leak. The duo investigated…

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Ammonia leak on ISS prompts contingency spacewalks


A sudden increase in a previously small ammonia leak in the coolant lines of a power channel on the outside of the International Space Station (ISS) has prompted…

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Gerstenmaier expands on recently announced asteroid mission


In a recent presentation to the human exploration and operations committee of the NASA Advisory Counsel (NAC), William Gerstenmaier, Associate Administrator for Human Exploration and Operations Mission Directorate,…

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Cosmonauts successfully conclude Russian spacewalk


Two Russian cosmonauts have been hard at work outside the International Space Station (ISS) on Friday, conducting a spacewalk for the purposes of routine maintenance on the Russian…

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Sochi Winter Olympics torch relay to include ISS spacewalk


In what will be a truly unique event, the Olympic torch for the 2014 Winter Games will ride up to the International Space Station on Soyuz TMA-11M in…

Astronaut duo complete spacewalk on ISS to isolate ammonia leak


Two astronauts aboard the International Space Station (ISS) stepped outside the orbiting outpost on Thursday to successfully perform an unexpected, US segment-based spacewalk to fix an ammonia leak…

ISS program planning spacewalks to repair power channel faults outside station


International Space Station (ISS) program managers are currently hard at work preparing for at least one, and potentially two, upcoming and unplanned spacewalks to repair external faults relating…

Spacewalk Success as second EVA installs troublesome MBSU-1


International Space Station (ISS) astronauts Suni Williams and Aki Hoshide have successfully installed the Main Bus Switching Unit-1 (MBSU-1) that proved to be troublesome during US EVA-18 last…

Astronaut duo complete challenging first post-Shuttle US spacewalk on ISS


Two astronauts have stepped outside the International Space Station (ISS) on Thursday on what is the first US Segment-based spacewalk of the post-Space Shuttle era. American astronaut Suni Williams…

Russian cosmonaut duo complete a highly successful spacewalk on ISS


Two Russian cosmonauts stepped outside the International Space Station (ISS) on Monday, performing a highly successful Extra Vehicular Activity (EVA), or spacewalk, on the exterior of the Russian Segment…

Cosmonaut duo complete Russian spacewalk outside ISS


Two Russian cosmonauts ventured outside the International Space Station (ISS) on Thursday in order to conduct a Russian spacewalk, known by its official designation of Russian EVA-30. The…

NEEMO preparing for 13 days underwater mission to sim NEO exploration


October’s NASA Extreme Environment Mission Operations (NEEMO) mission, based at the Aquarius underwater habitat in Key Largo, Florida, is set to begin this week – weather permitting. The…

NASA preparing to simulate Asteroid EVA protocols via NEEMO mission


NASA’s Mission Operations Directorate (MOD) are preparing for involvement in an underwater simulation of protocols which may become part of a manned mission to a Near Earth Object…

Cosmonauts conclude eventful Russian Stage spacewalk on ISS


Two Russian cosmonauts have conducted what turned out to be an eventful EVA outside of the International Space Station (ISS) on Wednesday, as part of the ongoing Expedition…

STS-135 Flight Day 5 – EVA completes Pump Module swap and install RRM


With STS-135/Atlantis now officially extended by one day, the STS-135/Atlantis crew and the ISS crew are pressing forward with the immediate days of the mission as written by…

The FINAL Space Shuttle Spacewalk: STS-134 EVA-4 – Completed


As Endeavour heads into the sunset portion of her historic final voyage to space, her crew have completed one of the biggest lasts in the Shuttle Program: the 162nd…

STS-134: EVA-3 debuts ISLE – MMT opt against mission extension


STS-134 Spacewalkers Drew Feustel and Mike Fincke have marked a historic first – surrounding their EVA-3 consisting of FGB Power Data Grapple Fixture work, Y-Jumper installations, and cable…

STS-134: Mammouth EVA-2 completed – Endeavour TPS clearance overview


Endeavour’s flight crew have completed the second of four planned EVAs/spacewalks - focusing on port SARJ and Dextre lubrication and ammonia coolant line and tank work - lasting an epic eight…

STS-134: EVA-1 complete – Focused Inspection confirmed on TPS damage


Endeavour’s flight crew have completed the mission’s first EVA, focusing on MISSE experiment swap outs and ammonia jumper line installations. Meanwhile, engineers on the ground poured over imagery data…

STS-133: Final Spacewalk completed – Extra +1 Day


The STS-133 crew are working through their second and final spacewalk dedicated to several misc. tasks that will help place the International Space Station in the best possible…