Six Chinese military aircraft transited the airspace of Turkey and Bulgaria, both of which are NATO members, on April 11 to deliver missiles to Serbia, a key ally of Vladimir Putinâs regime in Russia.
The move is likely to be regarded as a display of force, as Serbian President Aleksandar Vucic previously had said that NATO refused to let the shipments of Chinese weapons cross through the airspace of its member nations.
The Y-20 cargo planes delivered the anti-aircraft weapons systems to Serbia via the civilian Nikola Tesla airport in Belgrade…