 The squadron's training mission subsequently was carried out by "Squadron B", Thomasville Replacement Training Unit.With the end of the war, Thomasville AAF and all of its assigned units were inactivated on 30 September 1945.The wartime 489th Fighter Squadron was reconstituted on 21 June 1945 and re-designated as the 104th Fighter Squadron, and was allotted to the Maryland Air National Guard on 24 May 1946.