Project Constellation is NASA's initiative to develop a replacement for the aging Space Shuttle. It's main goal is to provide spacecraft for returning to the Moon by the year 2020. This Pocket Space Guide, #9 in the series, gives the background information on how the program was formed and what it is destined to accomplish.

Details are given for all of the elements of the Project Constellation, from the Lunar Precursor Robotic Program to the Orion spacecraft, Ares launch vehicles, and the Lunar Surface Access Module. Project Constellation is realizing President Bush's "Vision" for space and this book chronicles the progress and outlines the plans for tomorrow.