Turkey has kept the S-400 systems deactivated for nearly a decade as it has sought re-entry into the US-led F-35 program.

The first ever regiment of the S-500 Prometheus is now deployed on combat duty as per Russian reports but much of its ...

Russia has heaped praise on its new S-500 missile system, but it is still unclear if it can actually build the systems in meaningful numbers.

Ukrainian attack drones destroyed two self-propelled launchers of Russia's S-400 air defense system in the Belgorod region.

Russia’s S-500 air defense system was billed as a game-changer, capable of swatting down hypersonic missiles and U.S. stealth ...

Turkey is seeking to return the S-400 air defense system to Russia, which Turkey bought from them nearly a decade ago.

Turkey has asked Russia to take back the S-400 air defence system as it looks to acquire advanced American F-35 warplanes.

Kremlin spokesman denies media reports claiming Turkish leader proposed Russia returning S-400 air defense systems during ...

Turkey has sought to return the S-400 air defense systems that it bought from Russia back in 2017, a move that would likely ...

Designed to complement the S-400, the S-500 has a detection range of 600km and can engage targets at 500km, positioning it as ...

"Turkey’s president is learning the hard way that nationalist posturing makes for bad foreign policy," writes Bobby Ghosh ...

Russia's Defense Minister claimed that the first regiment of the S-500 air defense system has entered active service.