The review should not revisit or alter the scientific priorities or mission recommendations provided in the 2002 decadal survey, but may provide guidance about implementing the recommended mission portfolio in preparation for the next decadal survey.

In order for NASA to be able to use the results of the heliophysics review in formulating its report to the House and Senate Committees on the schedule required, the NAS findings must be received by NASA no later than January 15, 2009.

I would like to request that the NRC submit a suitable proposal for execution of the review by the Space Studies Board. Once agreement on the scope, cost, and schedule of the proposed study has been achieved, the Contracting Officer will issue a task order for implementation. The technical point of contact for this study within the Science Mission Directorate will be Dr. Barbara Giles, who can be reached at (202) 358-1762 and


S. Alan Stern

Associate Administrator for Science Mission Directorate

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