Final Space Walk Completed

[color=#6200AA]Discovery astronauts Piers Sellers and Mike Fossum have completed their third and final space walk of mission STS-121.[/color]

[color=#6200AA]The spacewalkers tested repair techniques on pre-positioned heat shield materials in the payload bay. Among the tools they used were a space-certified caulk gun and a variety of spatulas to manipulate the test materials.[/color]

[color=#6200AA]Landing has been scheduled for Monday 17th July at 9.14 EDT (13.14 GMT).[/color]

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

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