The military-industrial complex (hereinafter -MIC) has always been and remains the most high-tech segment of the economy, occupying a leading place in the real sector. In addition to the most important function of ensuring the security of the state, the MIC is a source of positive qualitative changes in the civilian sectors of the economy. Of particular importance in this process is ensuring the continuity of the effective implementation of state policy in the field of defense, security and sustainable innovative development of MIC organizations, a key place in which is the training of management personnel. The article shows the importance and relevance of ensuring proper training for the leadership of the MIC and its place in the life cycle of personnel training in the interests of the MIC, a comparative analysis of various approaches to the formation of managerial personnel reserves used in the MIC. A unified approach to the formation and development of managerial personnel reserves in the MIC is proposed, on the basis of which, using the convergence methodology and structural and functional modeling, an appropriate organizational and economic mechanism is developed that describes a unified system of personnel reserves in the MIC, based on the integration of the existing personnel reserves of state corporations and integrated MIC structures within the framework of a unified multi-level system for the formation of managerial personnel reserves of the MIC at the federal and corporate levels. The main source of the initial data of scientific research and a tool for practical testing of the ideas proposed by the authors is the system tool created under the leadership of the Collegium of the Military-Industrial Commission of the Russian Federation for the training and appointment to target positions of leading personnel of the MICthe Federal personnel reserve of the leadership of the MIC.