'There is only one colour that matters, one that unites us all. And that colour is green'. The Royal Marine Commandos have become a byword for elite raiding skills and cutting-edge military operations. They are globally renowned, yet shrouded in mystery. With unique insight and authority, 'Commando' captures the essence and heart of this revered military unit then and now, exploring their role patrolling the high seas and policing coastlines around the globe, and revealing their rich history and what it means to win and wear the legendary green beret.