This thorough examination of the roots and motivations for U.S. national security space policy provides an essential foundation for considering current space security issues.* Provides a succinct analysis of key current national security space issues that includes all key national security space policy statements from 1955 to the present day* Presents an extensive chronology of events from the mid-20th century to the present* Contains 45 biographies of politicians, NASA officials, and military personnel who have shaped U.S. space policy* Includes a descriptive directory of government and private organizations, including advocacy groups, government agencies, and advisory committees