According to the following from todays news, we already have "the beginning of a war"

Allan

About 100 US Special Forces members and more than 50 Central Intelligence Agency officers have been inside Iraq for at least four months, according to intelligence and military officials.

Military analysts say the bombing, almost daily, by US jets over the no-fly zone, coupled with Special Forces and CIA officers inside Iraq, means that a quiet, barely noticed fight has been unfolding.

"We're bombing practically every day as we patrol the no-fly zones, taking out air defence batteries, and there are all kinds of CIA and Special Forces operations going on," said Timur Eads, a former US special operations officer, who for 20 years who took part in missions inside Iraq in the 1990s. "So I would call it the beginning of a war."