Holding onto the end effector of the Canadarm on the Space Shuttle Atlantis, astronaut and STS-104 mission specialist, participates in one of three STS-104 space walks. The extravehicular activity was designed to help wrap up the completion of work on the second phase of the International Space Station. 12-24 July 2001 (NASA Media Archives). Buy this as a superb wall poster, a canvas print or a framed print.