Spacewalks
Each spacewalk was planned to last approximately 6.5 hours.
| EVA | Spacewalkers | Start (UTC) | End (UTC) | Duration |
|---|---|---|---|---|
| EVA 1 | John D. Olivas Nicole Stott |
1 September 2009 21:49 UTC |
2 September 2009 04:24 UTC |
6 hours, 35 minutes |
| Prepared for the replacement of an empty ammonia tank on the station’s port truss by releasing its bolts. Retrieved the Materials International Space Station Experiment and European Technology Exposure Facility mounted outside the Columbus laboratory, and stowed them in Discovery’s cargo bay for their return to Earth. :Robotic Arm Operators: Ford and Thirsk |
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| EVA 2 | John D. Olivas Christer Fuglesang |
3 September 2009 22:13 UTC |
4 September 2009 04:51UTC |
6 hours, 39 minutes |
| Removed the new ammonia tank from the shuttle's payload bay and replaced it with the used tank from the station. The new tank, weighing about 1,800 pounds (820 kg), was the most mass ever moved by spacewalking astronauts.
With this spacewalk, ESA astronaut Fuglesang became the first person, who is not from either an American or Russian space program, to have participated in four or more spacewalks. |
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| EVA 3 | John D. Olivas Christer Fuglesang |
5 September 2009 20:39 UTC |
6 September 2009 03:40 UTC |
7 hours, 01 minutes |
| Preparations for the arrival of the Tranquility node by attaching cables between the starboard truss and the Unity node, the area where Tranquility will be installed. Tranquility is targeted to arrive on STS-130 in February 2010. The spacewalkers also replaced a communications sensor device, installed two new GPS antennas, and replaced a circuit breaker. | ||||
Read more about this topic: STS-128