The past decade’s conflicts, including those in Europe and the Middle East, have fundamentally underscored the necessity of capable air and ground-based air defence. The outbreak of Russian aggression against Ukraine in February 2022 shook the European security architecture. As a result, several European countries have decided to strengthen their capabilities and overall deterrence significantly. One of the main areas of effective deterrence is a functioning air defence force, which serves as a vital pillar for the defence of states. Additionally, beyond security reasons, air defence plays a crucial role in each country’s expression of sovereignty and independence, providing a form of ontological security for its citizens. However, like most post-Soviet countries, the legacy of flawed and ineffective defence planning remains at the heart of some Central and Eastern European (CEE) countries (Young, 2023). A prime example is Slovakia’s current air defence capabilities, which are nearing a critical low point. Temporarily bolstered by the assistance of the Allies, Slovakia is slowly progressing towards a new era of modern air defence capabilities. However, without concrete and immediate action, Slovakia’s airspace will remain dependent on NATO’s support (Dangwal, 2024) and the collective defence clause under Article 5. Considering the “crisis” in Slovakian air defence, this article provides options for modernisation efforts, reflecting on the industry's current situation and the Slovakian Army's needs. It also outlines why air defence is necessary even for small countries like the Slovak Republic as part of a broader effort to maintain effective conventional capabilities.