(12/04/1998) --- STS-88 Mission Specialist Sergei Konstantinovich Krikalev, a Russian cosmonaut, is assisted with his ascent and re-entry flight suit in the white room at Launch Pad 39A before entering Space Shuttle Endeavour for launch. During the nearly 12-day mission, the six-member crew will mate the first two elements of the International Space Station the already-orbiting Zarya control module with the Unity connecting module carried by Endeavour. He is making his fourth spaceflight