European Space Agency (ESA) astronaut Paolo Nespoli of Italy speaks during a presentation of last November's STS-120 space shuttle mission at NASA headquarters in Washington,DC on February 26, 2008. The mission brought the Harmony module to the International Space Station (ISS) and featured an unprecedented space walk to repair a damaged solar array. AFP PHOTO/Nicholas KAMM (Photo credit should read NICHOLAS KAMM/AFP/Getty Images)