This academic article introduces a pioneering methodology for the comprehensive assessment of air defense systems, addressing existing shortcomings in evaluation approaches. The subject of this study revolves around the development and implementation of an advanced methodology for assessing air defense systems. еThe primary aim is to rectify existing evaluation shortcomings by introducing a holistic model that significantly enhances both efficiency and effectiveness in the evaluation of air defense systems. This methodology incorporates critical elements such as system description, mission, objectives, combat environment, threat, and concept. By explicitly considering factors like system flexibility, survivability, and operational concepts, the study surpasses traditional evaluations, providing a nuanced understanding of the capabilities inherent in air defense systems. The methodology places particular emphasis on the importance of threat analysis, addressing uncertainties related to enemy forces and tactics. Additionally, the study introduces an innovative evaluation model employing tactical scenarios to assess system reliability, availability, and durability, integrating combat environment factors and potential adversary combat options. The research contributes to the academic discourse by providing a systematic and thorough approach to air defense system evaluation, tailored to the complexities of modern warfare and in alignment with the evolving military and technological landscapes. The article suggests avenues for future research to delve into nuanced criteria selection and aggregation methods, aiming to further refine the proposed evaluation methodology.