Add to this its position at the crossroads of Europe, Asia, the Middle East and the former Soviet Union, and Turkey is the very model of a modern major pivot state.

WSJ: Ian Bremmer on Pivot States

The anti-aircraft weapon I used was a 1940s era model from the Soviet Union.

CNN: What's Kim Jong Un's intention with the nuclear test?

And as a result, Iran will respond as the Soviet Union did to a deterrent model based on mutually assured destruction.

CENTERFORSECURITYPOLICY: The perils ahead