Mission STS-120 Mission Specialists Clayton Anderson left and Daniel Tani familiarize with the Node 2 Harmony module during a visit to Kennedy Space Center.

Mission STS-120 Mission Specialists Clayton Anderson (left) and Daniel Tani familiarize themselves with the Node 2 Harmony module inside the Space Station Processing Facility during a visit to Kennedy Space Center. Other crew members include Commander Pam Melroy, Pilot George Zamka, and Mission Specialists Scott Parazynski, Douglas Wheelock, Stephanie Wilson and Paolo Nespoli (with the European Space Agency). Mission STS-120 will deliver the Node 2 "Harmony" connecting module to the station. During the mission, Tani and Anderson will transfer to the station and remain as flight engineers for Expedition 15. The mission is tentatively scheduled for August of this year. Photo credit: NASA/Kim Shiflett