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.

Türkiye’s reported exploration of returning its Russian-manufactured S-400 “Triumf” long-range air defence systems to Moscow ...

Kremlin denies Putin discussed issue with Erdogan during a meeting last week, as Ankara considers how best to bolster its ...

Soldiers of the 15th Separate Artillery Reconnaissance Brigade Black Forest detected and destroyed a launcher of Russia’s ...

Long-range drones operated by the Alpha Special Operations Center of the Security Service of Ukraine (SSU) have struck two ...

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

Turkey is seeking to return S-400 air defense systems it bought from Russia nearly a decade ago, a move that would end a ...

U.S. Ambassador Tom Barrack voiced hope for progress on F-35 talks, but Turkish officials said there are no new developments ...

Ukraine's Security Service (SBU) has struck a Russian military airfield in occupied Crimea, reportedly destroying air defense ...