privileges. Significant policy questions are raised regarding data access and rights that are beyond the scope of this report but must be addressed by NASA.

Questions related to validating SAR applications (i.e., reducing system costs, optimizing weight and power requirements, and defining mission focus) are primary considerations in formulating a NASA SAR strategy. These issues form the basis of the committee's response in this second and final report to NASA. This report expands on ideas presented in the letter report of April 1995 (see Appendix B). In keeping with NASA's narrow charge to the committee on December 5, 1996, issues of international cooperation and competition in the development of SAR technology and spacecraft are addressed only briefly in this report.



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