Iran conflict: Why Turkey is caught between NATO and Tehran

Tensions are simmering across the region. While headlines are dominated by the latest military strikes and the frantic diplomatic manoeuvring between Washington and Tehran, it's worth looking at a player who plays a crucial, yet often underestimated, role in this powder keg: Turkey. Here on the Bosphorus, a NATO member publicly preaches peace, but behind the scenes, it's playing a high-stakes game. It's a tightrope walk between alliance loyalty and the sheer terror of what an Iran conflict would unleash.

The Erdoğan dilemma: Helping the mullahs to save himself

You don't need to be a clairvoyant to see that Ankara is caught between a rock and a hard place. Officially, President Erdoğan talks about de-escalation and warns against a regional blaze. But in back rooms, as they tell it in the tea houses of Istanbul, the story is quite different. Turkey is grappling with a simple but existential problem: the collapse of Iran. If the ayatollahs fall, we wouldn't just have another failed state on its doorstep. No, the fallout would be far more complex.

Let's paint the picture: a power vacuum in Tehran. Borders become porous as a sieve. Hundreds of thousands, if not millions, would push west. Turkey, already hosting three million Syrians, would finally buckle. The mood in the country is already at boiling point. No politician in Ankara could survive a second refugee wave – it would be political suicide for any government. There are even leaked plans, in a worst-case scenario, to establish a buffer zone on the Iranian side to stop the rush. It sounds extreme, but it's already mapped out in military contingency plans.

The ghost of Kandil and the fear of the Kurdish card

And then there's the terror issue. For the Turkish leadership, the biggest threat isn't an Israeli retaliatory strike or American aircraft carriers, but one name: PJAK. The Iranian offshoot of the PKK, which operates in the border mountains, would be the big winner from chaos in Iran. If Tehran falls, the separatists gain momentum. An autonomous Kurdish region in northern Iraq and Syria is bad enough for Ankara. But an Iranian offshoot declaring its own autonomy? That would be a national security nightmare for Turkey.

That's precisely why the Turkish intelligence service, MIT, has worked more closely than ever with Iran's Revolutionary Guards in recent weeks. There have been indications that Ankara specifically warned Tehran about PKK fighters trying to infiltrate from Iraq. Imagine that: a NATO member feeding real-time intelligence to a regime that NATO and Israel consider the region's biggest threat. That's the reality of the 'Orient Express' – a region where the tracks don't always go where the alliance timetables say they should.

Doing business with a rival: Gas, gold, and walking a tightrope

Of course, money talks. As much as Erdoğan and the mullahs are ideologically at odds – they backed opposing sides in the Syrian civil war – they are economically chained together. Turkey imports a significant chunk of its gas from Iran. If the pipelines were cut, the energy crisis here would be complete. Industry would grind, and inflation, which we've only just managed to get a handle on, would skyrocket again.

Then there are the back channels. Turkish companies frequently pop up on US Treasury sanction lists. It's about gold deals, currency transfers, bypassing embargoes. A chunk of the Iranian economy, especially the Revolutionary Guards' network, only survives because it can keep the financial taps open via Istanbul. Erdoğan allows this because it gives him leverage. He can turn the taps off – and sometimes does, as a decree last autumn complying with UN sanctions showed. It's a constant give and take, a cat-and-mouse game that's nearly impossible for outsiders to follow.

Caught in the middle: What's left of sovereignty?

The question remains: How long can this last? Turkey is stuck between a rock and a hard place.

• Strategically: It relies on NATO's security framework, but exploits every weakness in the alliance for its own power plays.
• Economically: It needs trade with Iran, but can't afford to permanently alienate Washington.
• Humanitarily: It hosts Iranian dissidents without extraditing them, while simultaneously cracking down on their protests at home to avoid provoking the mullahs.

In the end, I fear this war will have no winners. If the US and Israel really do topple the Tehran regime, Turkey will be left with a disaster zone on its eastern border. But if Iran holds firm, Ankara's double-dealing will have made it suspect in everyone's eyes. The ride on the Orient Express was never comfortable – but this current journey feels like a wild downhill run with no brakes. And we're all on board.