Sentences with phrase «spacewalks before»
Flying aboard the space shuttles Atlantis and Endeavour, Reilly amassed more than 853 hours in space and completed five spacewalks before his 2008 retirement from NASA.
http://www.sciencemag.org/ Not exact matches
The astronauts would dock with the robotic tug and conduct spacewalks to investigate the boulder before returning to Earth, spending a total of almost a month in space.