War's dirty little secret is that some men love it. I'm trying to unpack why, to look at what it means to be a hero in the context of 21st-century combat.

War's dirty little secret is that some men love it.

Whereas painting is a more rarefied art form, with a limited audience, I recognized film as this extraordinary social tool that could reach tremendous numbers of people.

For some individuals - some soldiers, some contractors - combat provides a kind of purpose and meaning beyond which all else potentially pales in comparison.

Our film examines the heroism, courage and prowess of the Soviet submarine force in ways never seen before.

I don't want to be made pacified or made comfortable. I like stuff that gets your adrenaline going.

I don't believe in censorship in any form.