 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 137th Wing traces its origins to the World War II 404th Fighter Group, which was allocated to the Oklahoma Air National Guard and re-designated as the 137th Fighter Group on 24 May 1946.The unit was founded on 21 November 1946 at Norman, Oklahoma as the 137th Fighter Group, and received its federal recognition on 18 December 1947.