Two hundred miles from the nearest NATO border, Serbia is building an air defence network that Beijing designed and no Western alliance approved. On 28 June, President Aleksandar Vucic confirmed what defence analysts had suspected for months: Belgrade is moving forward with the procurement of Chinese HQ-9 long-range surface-to-air missile systems — the most capable air defence weapon China has ever exported to Europe. The announcement completes a three-tier Chinese air defence architecture that has no precedent on the continent. Serbia already fields HQ-17AE short-range systems for point defence and FK-3 (export HQ-22) medium-range batteries for area coverage. The HQ-9 adds the long arm: engagement ranges up to 200 kilometres against aircraft and the ability to intercept ballistic missiles.

La muraille de Chine dans les Balkans

Serbia's pivot toward Chinese military hardware did not happen overnight. It began modestly in 2020 with the acquisition of CH-92A armed drones — the first Chinese military unmanned systems in European service. Then came the HQ-17AE point-defence batteries, comparable to Russia's Tor-M2, designed to intercept cruise missiles and precision-guided munitions at ranges of 15 to 20 kilometres.

The real escalation arrived in April 2022, when FK-3 medium-range systems — the export version of the HQ-22, with engagement ranges around 100 kilometres — were delivered to Serbia. Reports of Egyptian military cargo aircraft making repeated landings at Belgrade's Batajnica Air Base in mid-2025 fuelled rumours that even heavier equipment was arriving. Vucic's confirmation last week ended the speculation. The strategic logic is straightforward. Moscow's invasion of Ukraine has made Russian arms purchases politically toxic and logistically unreliable — sanctions have complicated spare parts, and Russia needs every missile system it can produce for its own war. Beijing, meanwhile, is eager to demonstrate that its defence exports can compete with Russian and Western equivalents. Serbia provides the showroom.

Why NATO Is Watching

The HQ-9 is not a defensive curiosity. It is a genuine area-denial weapon. At 200 kilometres, its engagement envelope extends into the airspace of four NATO member states: Hungary, Romania, Croatia, and Bulgaria. No Western planner seriously suggests Serbia intends to fire missiles at allied aircraft — but the system's mere presence reshapes the calculus of any future Balkan crisis. NATO bombed Serbia for 78 days in 1999. That campaign — which destroyed much of the country's Soviet-era air defences — remains a defining national trauma and a powerful driver of Serbian defence procurement. The message of the HQ-9 purchase is unmistakable: Belgrade intends to ensure that such a campaign could never succeed again.

The Three-Tier Network

Serbia's completed Chinese air defence architecture now mirrors what major military powers deploy: a layered system where short-range, medium-range, and long-range interceptors cover different threat profiles and altitudes. The HQ-17AE handles the close fight — cruise missiles, drones, helicopters, and low-flying strike aircraft inside 20 kilometres. The FK-3/HQ-22 covers the middle ring, engaging tactical aircraft and standoff weapons at medium altitude out to roughly 100 kilometres. The HQ-9 sits at the top, targeting high-altitude bombers, standoff jammers, AWACS platforms, and — in theory — short-range ballistic missiles at distances up to 200 kilometres. No other Balkan nation operates anything comparable. And no other European nation outside Russia operates a complete Chinese air defence network of any kind. Serbia is, quite literally, the first.

Sources: Military Watch Magazine, RFE/RL, Army Recognition, Pravda Balkan