before the priority of specific approaches for implementing these missions can be adjudicated. There is a particularly strong need for trade-off studies of large NEP-powered craft versus other modes for implementing the same science goals.

The development of nuclear technologies must go hand in hand with ancillary developments in such areas as communications, data entrapment, and spacecraft subsystems. Planetary exploration is a rich field that allows public involvement and generates student interest in engineering and science. A mix of exploration capabilities should be developed that will allow diverse pursuits that will enhance this capability and ensure the long-term health and vitality of the planetary exploration enterprise.

REFERENCES

1. National Research Council, New Frontiers in the Solar System: An Integrated Exploration Strategy, The National Academies Press, Washington, D.C., 2003.

2. R.B. Abelson, ed., Enabling Exploration with Small Radioisotope Power Systems, JPL 04-10, Jet Propulsion Laboratory, Pasadena, Calif., 2004.

3. Space Studies Board, National Research Council, A Scientific Rational for Mobility in Planetary Environments, National Academy Press, Washington, D.C., 1999, pp. 42–43.

4. National Research Council, New Frontiers in the Solar System: An Integrated Exploration Strategy, The National Academies Press, Washington, D.C., 2003, p. 96.

5. National Research Council, New Frontiers in the Solar System: An Integrated Exploration Strategy, The National Academies Press, Washington, D.C., 2003, p. 196.

6. National Research Council, New Frontiers in the Solar System: An Integrated Exploration Strategy, The National Academies Press, Washington, D.C., 2003, pp. 177–188.

7. President’s Commission on Implementation of United States Space Exploration Policy, A Journey to Inspire, Innovate, and Discover, U.S. Government Printing Office, Washington, D.C., 2004, p. 28.



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