1997 Mankins NASA SPS Fresh Look

Initial research, technology development and validation should be started. A wide variety of technologies have been identified as critical. Advanced research and technology in many of these is needed to empirically validate the performance projections made in the current analytical effort. Technology validation should also begin immediately. As a part of these efforts, research that addresses directly potential health and safety concerns should be undertaken and the results factored into ongoing concept design studies. A renewed emphasis on achieving extremely low cost space launch is needed. While current markets - including government missions - will benefit greatly from reductions in launch prices to about $1,000 per payload-pound to LEO, space solar power (and other new space industries) will only become viable when prices are reduced to less than $200 per pound for ETO transportation. Lastly, a focused effort toward public communication and outreach is needed. As technical expert understanding of SSP and WPT options increases, public confidence in the technology must also be developed. Explicit assessment of risks and benefits must be pursued steadily - and the results used to drive or constrain fixture efforts.

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