The Russian S-400 surface-to-air missile array has been described as the most sophisticated air defense system in the world.
It can track up to 80 targets at the same time, aiming two missiles at each one.
It can destroy aircraft, cruise missiles, medium range missiles, drones and other airborne surveillance systems.
And now Turkey has bought it from Russia.
“My colleagues have already signed a deal on S-400s. A deposit has also been paid as far as I know,” Turkish President Recep Tayyip Erdogan said last week.
Little detail has been disclosed about the deal.
According to the available information, Turkey will receive two S-400 missile batteries, probably toward the end of 2019.
Two other batteries will be manufactured later in Turkey under license.
The software for the…