As civil space policies and programs have evolved, the geopolitical environment has changed dramatically. Although the U.S. space program was originally driven

More than four decades have passed since a human first set foot on the Moon. Great strides have been made in our understanding of what is required to support an

During its more than 50-year history, NASA's success in human space exploration has depended on the agency's ability to effectively address a wide range of biom

Seeking to reenergize Americans' passion for the space program, the value of further exploration of the Moon, and the importance of human beings on the final fr

This book details current international collaborations in space exploration and outlines a path for inclusion of private sector space missions.