Col. Doug Wheelock, STS-120 mission specialist, participates in the mission's fourth session of extravehicular activity while Space Shuttle Discovery is docked with the International Space Station. During the 7-hour, 19-minute spacewalk, astronauts repaired a damaged solar array installed on the International Space Station. NASA

---

Size: 1955px × 1279px
Photo credit: © 615 collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: army, conflict, discovery, international, military, nasa, shuttle, soldier, soldiers, space, station, terror, walk, war,