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9 Findings, Conclusions, and Recommendations
Pages 124-132

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From page 124...
... For example, if silent mobility and low thermal signatures are mandatory with an extended range, there may be a need to deploy a limited number of hydrogen proton exchange membrane (PEM) fuel cells, albeit with penalties in the number of convoy transport trucks.
From page 125...
... Conclusion: A logistics distribution network for propane, natural gas, or hydrogen is unlikely to effectively replace hydrocarbon fuels on the battlefield because of their lower volumetric energy density (requiring more fuel transport trucks or convoys) and increased storage complexity versus JP8.
From page 126...
... (Tier 2, Lead) Conclusion: Similar to the 2016 Defense Science Board report,1 the committee concludes that solar, wind, and geothermal power sources present significant environmental benefits and are worthy of consideration for domestic and permanent overseas facilities.
From page 127...
... Finding: Thermophotovoltaic processes represent a promising opportunity in support of the dismounted soldier, while an upsized version might prove attractive for other applications, such as unmanned aerial vehicles (UAVs) and unmanned ground vehicles (UGVs)
From page 128...
... . CHAPTER 6 -- VEHICLE POWER AND LARGE WEAPON SYSTEMS Recommendation: The Army has undertaken a number of internal vehicle power plant programs (Advanced Powertrain Demonstrator, Projected Propulsion System, Advanced Mobility Experimental Prototype, and Platform Electrification Mobility)
From page 129...
... The battery space requirements and additional weight limit all-battery vehicle use to select missions where silent operations are paramount and lengthy recharging times can be accommodated. Recommendation: The majority of planned funding for the All Electric Combat Powertrain and any anticipated funding for battery electric tactical vehicles should be reallocated to work on series hybrid, parallel hybrid, and/or other partial vehicle electrification concepts.
From page 130...
... It will not, however, adequately meet the needs of expeditionary and defensive operations due to its limited power rating and mobility concerns. The committee also found disparate views as to the level of effort needed to comply with regulatory and safety requirements.3 Recommendation: It is recommended that the detailed safety and regulatory requirements of a nuclear power plant be clearly defined and agreed to by all appropriate government agencies before prototype definition proceeds further.
From page 131...
... Conclusion: In the future, the ability to use onboard vehicle electricity from a variety of mobile platforms, both tactical and tracked, will enable microgrids for mobile command centers to be quickly set up under a variety of terrain conditions, including soft ground, where trailer towed Mobile Electric Power Solution (MEPS) systems cannot reach.


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