STS-88 Mission Specialist Sergei Konstantinovich Krikalev, a Russian cosmonaut, suits up in the Operations and Checkout Building, as part of a flight crew equipment fit check, prior to his trip to Launch Pad 39A. He is helped by suit tech George Brittingham. The STS-88 crew is at KSC to participate in the Terminal Countdown Demonstration Test (TCDT) which includes mission familiarization activities, emergency egress training, and a simulated launch countdown. This is Krikalev's second flight on the Space Shuttle. Mission STS-88 is targeted for launch on Dec. 3, 1998. It is the first U.S. flight for the assembly of the International Space Station and will carry the Unity connecting module