![Lockheed Martin on Twitter: "The Retro Raptor #NationalAviationDay In 1990, the YF-22 was flown as a prototype fighter aircraft. Compared to the F-22, YF-22 displayed differences in the design of the cockpit, Lockheed Martin on Twitter: "The Retro Raptor #NationalAviationDay In 1990, the YF-22 was flown as a prototype fighter aircraft. Compared to the F-22, YF-22 displayed differences in the design of the cockpit,](https://pbs.twimg.com/media/Fah9cZpWYAEKlal.jpg)
Lockheed Martin on Twitter: "The Retro Raptor #NationalAviationDay In 1990, the YF-22 was flown as a prototype fighter aircraft. Compared to the F-22, YF-22 displayed differences in the design of the cockpit,
![An air-to-air overhead view of the YF-22 advanced tactical fighter aircraft during a test flight. The aircraft represents the latest developments in stealth or low observable technology. - NARA & DVIDS Public An air-to-air overhead view of the YF-22 advanced tactical fighter aircraft during a test flight. The aircraft represents the latest developments in stealth or low observable technology. - NARA & DVIDS Public](https://cdn10.picryl.com/photo/1992/01/01/an-air-to-air-overhead-view-of-the-yf-22-advanced-tactical-fighter-aircraft-634598-1024.jpg)
An air-to-air overhead view of the YF-22 advanced tactical fighter aircraft during a test flight. The aircraft represents the latest developments in stealth or low observable technology. - NARA & DVIDS Public
![A close-up right front view of a prototype YF-22 Advanced Tactical Fighter (ATF) aircraft - PICRYL - Public Domain Media Search Engine Public Domain Search A close-up right front view of a prototype YF-22 Advanced Tactical Fighter (ATF) aircraft - PICRYL - Public Domain Media Search Engine Public Domain Search](https://cdn10.picryl.com/photo/1990/11/29/a-close-up-right-front-view-of-a-prototype-yf-22-advanced-tactical-fighter-d93e2b-1024.jpg)
A close-up right front view of a prototype YF-22 Advanced Tactical Fighter (ATF) aircraft - PICRYL - Public Domain Media Search Engine Public Domain Search
![File:A close-up front view of a prototype YF-22 Advanced Tactical Fighter (ATF) aircraft DF-ST-91-03061.jpg - Wikimedia Commons File:A close-up front view of a prototype YF-22 Advanced Tactical Fighter (ATF) aircraft DF-ST-91-03061.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/2/28/A_close-up_front_view_of_a_prototype_YF-22_Advanced_Tactical_Fighter_%28ATF%29_aircraft_DF-ST-91-03061.jpg)
File:A close-up front view of a prototype YF-22 Advanced Tactical Fighter (ATF) aircraft DF-ST-91-03061.jpg - Wikimedia Commons
The F-22 prototype first flew 32 years ago. Now Congress and the Air Force are at odds over the stealth jet's future. | Flipboard
Atlanta Air Show - 21 years ago today, the YF-22 prototype took to the skies for the first time. Did you know there was an intense competition with the YF-23 Black Widow
![Lockheed Martin on Twitter: "The Retro Raptor. #AviationHistoryMonth #FighterFriday The YF-22 prototype design was significantly refined for today's #F22 Raptor. This year, we celebrated 25 years of the Raptor's air dominance and Lockheed Martin on Twitter: "The Retro Raptor. #AviationHistoryMonth #FighterFriday The YF-22 prototype design was significantly refined for today's #F22 Raptor. This year, we celebrated 25 years of the Raptor's air dominance and](https://pbs.twimg.com/media/Fh2z2ZAXoAADvdY.jpg)
Lockheed Martin on Twitter: "The Retro Raptor. #AviationHistoryMonth #FighterFriday The YF-22 prototype design was significantly refined for today's #F22 Raptor. This year, we celebrated 25 years of the Raptor's air dominance and
![See This Stealth Fighter? It Almost Turned the F-22 Into Just Another Failed Prototype | The National Interest See This Stealth Fighter? It Almost Turned the F-22 Into Just Another Failed Prototype | The National Interest](https://nationalinterest.org/sites/default/files/main_images/regrew.jpg)