"The Russian air defense units with S-400 anti-aircraft missile systems and the Pantsir-S anti-aircraft missile and cannon systems were deployed by Russian military transport aircraft to the territory of Serbia," the RT said.

As noted, they will take part in the second stage of the joint air defense exercises “Slavic shield - 2019”.

It is indicated that the S-400 division and the Pantsir-S air defense missile defense complex will for the first time take part in exercises in the territory of a foreign state.

Previously, S-400 calculations shot down all Favorite RM target missiles during firing in the Astrakhan region.

On September 20, the Northern Fleet Air Defense Regiment, which is equipped with S-400 systems, took up combat duty on Novaya Zemlya.

Military expert Yuri Knutov in an interview with Nation News praised the Center-2019 exercises.