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This article demonstrates the results of an effort to structure the mis¬sions and tasks of the Bulgarian Naval Forces with the objective to establish the operational architecture of the Naval Sovereignty Operational Center (NSOC) and the Shore-based System for Control of Shipping (SSCS). This development has been approached via the C4ISR Architecture framework. The missions and tasks of the Bulgarian Navy are systematized at three levels – strategic, operational and tac¬tical.