This report documents the study findings and recommendations and is organized in accord with the task statement and the study approach described above. The report is organized in chapters as follows.

Chapter 1 (Introduction) provides background information and the statement of task for the study. Chapter 2 (Technology Alternatives) describes the most realistic power/energy technology solutions in each of the three regimes of prime concern for present and future Army applications. Chapter 3 (Power System Design) discusses guidelines for the efficient integration of power source technology. Chapter 4 (Soldier Energy Sinks) discusses the range of power demands of soldier applications and the key role played by logistics in determining the viability of energy solutions.

Chapter 5 (Progress) summarizes committee observations on the progress made by the Army since the 1997 NRC study report and on recent commercial trends in technology. Chapter 6 (Future Warrior Design Concepts) discusses promising approaches to design and integration of future soldier systems, barriers to implementation of energy solutions for soldier systems, and the impact of user interaction on power demand. Chapter 7 (Recommendations) summarizes the findings and presents the study recommendations. Appendix C (Measures of Performance) describes the methods used to classify the power sources and provides means for evaluating new power sources. Finally, Appendix D (Source Technologies) describes the characteristics of the power sources considered and reports on advances in technology since Energy Efficient Technologies (NRC, 1997).

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