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STS-78 Mission Commander Terence "Tom" Henricks is donning his launch/entry suit in the Operations and Checkout Building with assistance from a suit technician. In a short while, Henricks and six fellow crew members will depart the O&C and head for Launch Pad 39B, where the Space Shuttle Columbia awaits liftoff during a two-and-a-half hour launch window opening at 10:49 a.m. EDT, June 20. The 78th Shuttle flight will mark Henricks' fourth trip into space.