Visiting NASA Johnson Space Centre

Start DateFriday, January 25, 2008

Per Wimmer Visiting NASA Johnson Space Centre, Houston, And Piers Sellers, British-American Astronaut on STS-112 Atlantis (Oct 7-18, 2002) performing three spacewalks (19 hours and 41 min of EVA); STS-121 Discovery (July 4-17, 2006; 7.5 hrs EVA).