Keywords: Sparrow1 F3D.jpg Early AAM-N-2 Sparrow air-to-air missiles on the underwing pylons of a Douglas F3D Skyknight One of the three XF3D-1 prototypes was modified in late 1952 as a test aircraft for the new Sparrow I air-to-air missile and at least twelve F3D-1s were also modified with four stores pylons under the wings to carry the Sparrow I for development testing These F3D-1s were given the new designation F3D-1M The U S Navy test squadron VX-4 ws established on 15 September 1952 at the Naval Air Missile Test Center at NAS Point Mugu California USA to assist in the development of the Sparrow Official U S Navy photo no 1023526 http //www history navy mil/avh-1910/PART07 PDF cropped complete photo http //www alternatewars com/Archives/AIM-7/Sparrow_I_ AAM-N-2 _on_F3D-2M png ca 1953 USN PD-USGov-Military-Navy AIM-7 Sparrow Douglas F3D Skyknight Pacific Missile Test Center Point Mugu Air Test and Evaluation Squadron 4 United States Navy |