Even soldiers from the Vietnam War had said that when they were fighting in that war, the landmine was just one of any number of weapons to use in the fighting. It wasn't until they began to think about the aftermath and the legacy of landmines that they recognized the long-term, indiscriminate impact of the weapon.

Hollywood never knew there was a Vietnam War until they made the movie.

I think he'd be horrified. The long-term consequences of the war in Vietnam have come back to roost with us, so I don't think he'd be happy.

It was my view then, and still is, that you don't make war without knowing why. Knowledge of course, is always imperfect, but it seemed to me that when a nation goes to war it must have reasonable confidence in the justice and imperative of its cause. You can't fix your mistakes. Once people are dead, you can't make them undead.

This looks like a real war zone to me. Thirty years ago, I was in Vietnam, and I haven't seen such devastation since then,

Vietnam was as much a laboratory experiment as a war