In December 2006, enough control had been exerted over the city to transfer operational control of the city from American forces to the 1st Iraqi Army Division. During the same month, the Fallujah police force began major offensive operations under their new chief. Coalition Forces, as of May 2007, are operating in direct support of the Iraqi Security Forces in the city. The city is one of Anbar province's centers of gravity in a newfound optimism among American and Iraqi leadership about the state of the counterinsurgency in the region.