These scripts enable navigation. It requires javascript be enabled in your browser. Human Space Flight WebHuman Space Flight WebHuman Space Flight WebHuman Space Flight WebHuman Space Flight WebHuman Space Flight WebHuman Space Flight WebHuman Space Flight WebHuman Space Flight Web
Skip navigation to content.
Human Space Flight WebReturn to Human Space Flight home page
Human Space Flight Web
Human Space Flight Web

STS-118 Shuttle Mission Imagery
Astronaut Dave Williams, STS-118 mission specialist
high res (1.5 M) low res (110 K)
S118-E-07463 (13 Aug. 2007) --- Astronaut Dave Williams, STS-118 mission specialist representing the Canadian Space Agency, gets assistance from astronaut Tracy Caldwell (out of frame) as he prepares for extravehicular activity to work on the International Space Station. This will mark the second spacewalk for the Endeavour crew and the second for Williams in three days. He will again be joined by astronaut Rick Mastracchio for the EVA.

Curator: Kim Dismukes | Responsible NASA Official: John Ira Petty | Updated: 08/18/2007
Web Accessibility and Policy Notices