Stock Photo - The STS-98 crew leaves the Operations and Checkout Building and heads for the Astrovan that will take them to Space Shuttle Atlantis on Launch Pad 39A. From left are Mission Specialists Robert Curbeam, Thomas Jones and Marsha Ivins, Pilot Mark Polansky and Commander Ken Cockrell. They will be flying the seventh construction flight to the International Space Station. Atlantis is carrying the U.S. Laboratory Destiny, a key module in the growth of the Space Station. Destiny will be attached to the Unity node on the Space Station using the Shuttle's robotic arm. Three spacewalks are required to complete the planned construction work during the 11-day mission. Launch is targeted for 6:11 p.m. EST and the planned landing at KSC Feb. 18 about 1:39 p.m. This mission marks the seventh Shuttle flight to the Space Station, the 23rd flight of Atlantis and the 102nd flight overall in NASA's Space Shuttle program.