Source: Xinhua

03-24-2009 09:04

Special Report:   Tech Max

WASHINGTON, March 23 (Xinhua) -- Two astronauts from U.S. space shuttle Discovery's seven-member crew completed the third and last spacewalk on Monday, but failed to free up an equipment storage platform that was accidentally jammed Saturday during astronauts' second spacewalk.

In this photo released by NASA, space shuttle Discovery astronaut Steve Swanson participates in the mission's second scheduled session of extravehicular activity (EVA) as construction and maintenance continue on the international space station, Saturday March 21, 2009.(AP Photo/NASA)
In this photo released by NASA, space shuttle Discovery 
astronaut Steve Swanson participates in the mission's second 
scheduled session of extravehicular activity (EVA) as 
construction and maintenance continue on the international 
space station, Saturday March 21, 2009.(AP Photo/NASA)