; (4) an analysis of fossil fuel reduction regimes that may maximize reduction of reliance on fossil fuels without achieving net zero; (5) an analysis of the benefits of implementing net zero initiatives pertaining to operational energy, including impacts of lowering the reliance on fossil fuels, decreasing the need for refueling convoys, overcoming the tyranny of distance within United States Indo-Pacific Command through hybrid or other fuel efficient propulsion systems, and associated cost savings for service branches that expend significant resources on fossil fuels; (6) a description of the options for achieving net zero benchmarks with respect to operational energy of 25 percent, 50 percent, 75 percent, and 100 percent of the operational energy levels for 2020, including anticipated funding requirements, statutory requirements, infrastructure needs, and timeframes