Donald Trump - never one to shy away from controversy - has done another dramatic U-turn. After flatly refusing to send any more Patriot missiles to Ukraine, he’s now decided to send them anyway. So what’s changed? And why do these missiles matter so much?

Let’s cut through the noise. Are Patriot missiles genuinely game-changers on the battlefield, or are they just a powerful symbol in modern warfare? To get to the truth, we’re speaking to someone who’s actually been there - Air Marshal Edward Stringer. He spent 39 years in the RAF, flew combat missions over Iraq, and went up against anti-aircraft systems himself. If anyone knows what Patriot missiles can really do, it’s him.