'Well, whether it's UN or not it would be US forces and so a no fly zone would mean as Gates correctly said, an act of war because in order to enforce a no fly zone you first have to take out any possible anti-aircraft operations and the chance of planes flying up to engage your planes. So it means bombing the airfields; bombing every site where there is anti-aircraft guns or anti-missile emplacements - so that's a war. And it involves shooting down any planes that do take off so it's an act of war and it becomes a war...Read more: