Second Space Walk Completed

[color=#6200AA]Discovery astronauts Piers Sellers and Mike Fossum have completed their second space walk of mission STS-121. They are currently just returning on board through the airlocks.[/color]

[color=#6200AA]There is one more scheduled space walk to take place before Discovery undocks from ISS for its return to Earth next week.[/color]

[color=#6200AA]Tracy[/color]

[Technorati tag(s): shuttle, nasa, Space Shuttle, Space Shuttle Discovery, Discovery, Space, Science, STS-121, ISS]