International Space Station: Off the Earth, for the Earth, and Beyond.

"In 1998, assembly began on the International Space Station (ISS), a satellite second in size and radiance only to the Moon. Completed in the 21st Century, the ISS plays a crucial role in shaping our future and advancing the US space program. Discoveries made in space are already benefiting life on Earth. The ISS serves as a springboard for nations to prepare for future leaps into the Solar System. Join NASA and the ISS in historic academic and commercial ventures as we explore beyond Earth, understanding and venturing into the Solar System."