 It was organized at Schenectady County Airport, Schenectady, New York, and was extended federal recognition on 18 October 1948 by the National Guard Bureau.The 139th Fighter Squadron was bestowed the lineage, history, honors, and colors of the 303d Fighter Squadron.The squadron was equipped with F-47D Thunderbolts and was initially assigned to the New York ANG 52d Fighter Wing, later to the 107th Fighter Group in November 1948.