 These unit designations were allotted and transferred to various State National Guard bureaus to provide them unit designations to re-establish them as Air National Guard units.The Iowa Air National Guard origins date to the formation of the 132d Fighter Group at Des Moines Municipal Airport, Des Moines, receiving federal recognition on 23 August 1946.It was equipped with F-51D Mustangs and its mission was the air defense of the state.