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This paper explores an approach, based on the Analytical Hierarchy Process, that provides a logical, quantitative means to identify the best battery types to employ in each of the following categories of aircraft: fighter, bomber, and cargo/transport. Three battery types are considered: vented nickel-cadmium (VNC), ultra-low maintenance (vented) nickel-cadmium (ULMNC), and sealed lead-acid (SLA). The analysis ranks the three battery types for suitability of use on each aircraft type based on eleven selection criteria: Current Output, Energy Density, Power Density, Reliability, Ruggedness, Initial Cost, Life-Cycle Cost, Maintainability, Useful Life, Hazard Level, and Experience. (The rankings are based on the judgement of the author drawing from opinions of experts and published technical sources). The selection criteria are weighted according to their relative importance for each of three aircraft types.