KSC-95EC-1001 - STS-70 Mission Specialist Donald A. Thomas suits up STS-70 Mission Specialist Donald A. Thomas dons his launch/entry suit in the Operations and Checkout Building. STS-70 will be his second trip into space for Thomas. He and four crew mates will depart shortly for Launch Pad 39B, where the Space Shuttle Discovery is undergoing final preparations for a liftoff scheduled during a two and a half hour launch window opening at 9:41 a.m. EDT. 7/13/95