Background When the United States began considering a piloted voyage to the moon, an enormous number of unknowns about strategies,…
Background Between Sputnik's launching in October 1957 and the lunar landing in July 1969 America sponsored five human spaceflight projects.…
Background According to this document: The surveillance fences of SPACETRACK detect and track a large number of space objects that…
Background The Center for the Advancement of Science in Space (CASIS), a non-profit organization, is the manager of the International…
Background According to the document: "By the year 2000, an increasingly large portion of our national defense will depend on…
Background Between the 4 October 1957 launching by the Soviet Union of the first artificial earth satellite, Sputnik I, and…
Background The Commission was directed to assess the organization and management of space activities in support of U.S. national security.…
Background The importance of space and space-related activities to support global military operations has expanded significantly over the past 50…
Background This report summarizes the results of an evaluation of a variety of advanced low thrust propulsion options for the…
Background The task was to survey the entire field of advanced propulsion to uncover and carry out a technical assessment…