American space tourist Dennis Tito (R) talks to mission control aboard the International Space Station April 30, 2001, after arriving aboard the space capsule Soyuz. Tito, a 60-year-old California investment broker who paid $20 million for his trip into space, is joined by Russian Commander Yuri Usachev, red shirt, American flight engineer Susan Helms, front, and Russians Talgat Musabayev, top right, and Yuri Baturin, top left.