Comprehensive review of the security and defence sector of Ukraine as a constituent part of security and defence management

In developing its national security system, Ukraine is transitioning from the non-functioning post-Soviet military organization of the state to a modern security and defence sector-operating under the European and Euro-Atlantic security principles. This transformation is facilitated by the implementation of a planning system in defence and security spheres based on the experience of NATO countries, and in particular the use of defence reviews, which have been conducted, and the comprehensive review of the security and defence sector. This article argues that the organization and methodological support of the reviews and realization of their results demand the implementation of more effective approaches in the achievement of the main purpose of the security and defence reform – the development of an effective system of national defence. The authors offer the basics of such approaches within the context of the national planning system of Ukraine.