The Shadow of the Eagle on Twitter: "Let see, the Northrop P-530 was a model that failed to sell, it became the P-600 and enter the LWF program as the YF-17 ,
Northrop P-530 / P-600 / P-610 / YF-17 Design Evolution | Aviation magazine, Evolution, Air show
Cutaway Thursday: Northrop P530 Cobra | The Lexicans
Space Security on Twitter: "@nicholadrummond Northrop F-5 (also the Northrop P530 Cobra prototype) https://t.co/L06oRiTQHm" / Twitter