Sherry Walker, second from right, speaks to her daughter NASA Flight Engineer and astronaut Shannon Walker after she and her Expedition 24 crew mates docked to the International Space Station (ISS), Friday, June 18, 2010 in Korolev, Russia. Walker, Soyuz Commander Fyodor Yurchikhin and Flight Engineer Doug Wheelock launched aboard their Soyuz TMA-19 spacecraft on Wednesday, June 16 to start a six-month tour aboard the ISS.