![First-ever fifth-gen fighter jet F-22 took to skies 25 years ago; Why is the Raptor still important | In Focus News, Times Now First-ever fifth-gen fighter jet F-22 took to skies 25 years ago; Why is the Raptor still important | In Focus News, Times Now](https://static.tnn.in/thumb/msid-94105072,thumbsize-42394,width-1280,height-720,resizemode-75/94105072.jpg)
First-ever fifth-gen fighter jet F-22 took to skies 25 years ago; Why is the Raptor still important | In Focus News, Times Now
How do fighter jets get their letters and numbers? For example, why is there an F-14, F-15, and F-16 but not an F-17, F-20, or F-25? - Quora
![Jet Stealth Fighter F-25 Lightning Flying At Air Show Stock Photo, Picture and Royalty Free Image. Image 46587896. Jet Stealth Fighter F-25 Lightning Flying At Air Show Stock Photo, Picture and Royalty Free Image. Image 46587896.](https://previews.123rf.com/images/grifco/grifco1510/grifco151000006/46587896-jet-stealth-fighter-f-25-lightning-flying-at-air-show.jpg)