91热爆

It was a historic moment when the Royal Marines opened their doors to women. But six years on, the 91热爆 has learned that no women have made it through the gruelling training course - despite more than 900 applying. So why hasn't it happened yet? In this episode of 5 Minutes On, our reporter Rebecca Ricks speaks for the first time to some of those who've come close to joining one of the world's most elite fighting forces.