Human spaceflight is entering a new era. The assembly of the International Space Station (ISS) will be completed in 2010.2 Supported by a full six-person crew for the first time, it is ready to put its full capabilities to work. While the ISS partners can be proud of having completed one of the most ambitious engineering projects ever conceived, the world at large also will judge the ISS by what is achieved in the utilization phase. In short, the full success of the ISS Program depends on the utilization achievements in the coming years. The people of countries participating in the ISS will...