2014-02-21 / Nature

The Final Frontier

In the popular imagination, space is the final frontier.

Nations are free to send missions to Mars or launch space stations. Space satellites are vital to many of the activities that have become part of our daily lives—from weather forecasting to GPS and satellite radio. The militaries of the United States and a host of other nations have also made space a critical arena with spy and communication satellites essential to their operations. In “Heavenly Ambitions,” Joan Johnson-Freese clearly identifies the present state of America's space program, the critical issues and challenges the United States faces, the urgent need for action, and the course the United States should follow in its future endeavors in space. She is a Professor of National Security Affairs at the Naval War College, a member of the Space Studies Board of the National Academy of Sciences, and an adjunct at Harvard Extension and Summer Schools.

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