This is a pretty good and clear (and short) explanation of how the war is supposed to work. Of course, more can be said on the subject (and most of it is unsaid: what is being done already on the ground by way of preparation, for example) but the point is relatively clear. There is a pretty good plan afoot that will prevent about 80% of the Iraqi military from doing anything at all. The majority will not even try to get out of the barracks, by choice. In other words, the majority will have surrendered at the very start. And the rest will be dealt with. On the other hand, it seems to be the case that the Iraqis have a drone that could drop chemicals on our troops. See this from the London Times. Of Course it doesnt help that the French are still supplying the Iraqi air force with parts.