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While suiting up in the Operations and Checkout Building, STS-101 Mission Specialists (standing) Susan J. Helms, James S. Voss and (sitting) Yuri Usachev of Russia reveal their happiness to be just hours away from launch of Space Shuttle Atlantis. The mission will take the crew to the International Space Station to deliver logistics and supplies and to prepare the Station for the arrival of the Zvezda Service Module, expected to be launched by Russia in July 2000. Also, the crew will conduct one space walk. This will be the third assembly flight to the Space Station