Where the Space Shuttle Endeavour is poised for liftoff of the first U.S. launch dedicated to the assembly of the International Space Station.

STS-88 crew members depart the Operations and Checkout Building to board the astronaut van (at right) for the short journey to Launch Pad 39A where the Space Shuttle Endeavour is poised for liftoff of the first U.S. launch dedicated to the assembly of the International Space Station. In front row, from left, are Pilot Frederick W. "Rick" Sturckow, Mission Specialist Nancy J. Currie and Commander Robert D. Cabana. In back row, from left, are Mission Specialists Sergei Konstantinovich Krikalev, a Russian cosmonaut; Jerry L. Ross and James H. Newman. Liftoff is targeted for 3:35 a.m. EST on Dec. 4