STS-121 spacewalker Piers Sellers (right) attaches tethers to the shuttle Discovery's robotic arm during the first EVA of the mission. Spacewalking partner Michael Fossum secures tools for the orbital work at left. Credit: NASA TV. Click to enlarge.
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STS-121 spacewalker Piers Sellers (right) attaches tethers to the shuttle Discovery's robotic arm during the first EVA of the mission. Spacewalking partner Michael Fossum secures tools for the orbital work at left. Credit: NASA TV. Click to enlarge. |
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