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 ,
Air Enthusiast 1972-06
Aerospaceweb.org | Ask Us - Light Weight Fighter & the F-16
Northrop YF-17 Cobra aircraft 2 usaf markings by bagera3005 on DeviantArt
1/72 scale Northrop YF-17 Cobra fighter competition with General Dynamics F-16 Falcon and became F-18 Hornet
Air Enthusiast Magazine August 1972 Northrop P.530 Cobra Airbus A300B Argentina | eBay