The Bell aircraft recorded its most significant achievements Together with the Soviet Air Force, the place P-39 pilots scored the highest variety of unique kills attributed to any American WW2 fighter-type flown by her war allies. Pavlecka met with Jack Northrop the following day, and gave him the USAAC requirements. https://www.saludcapital.gov.co/sitios/VigilanciaSaludPublica/Lists/Contactenos/DispForm.aspx?ID=756292