Harrier Jet is a Fighter Plane that have unique design and structure such aeroplane at is age. He have big different thrust engine early 70s and with this blog, you can learn about Harrier Jet and it’s special engine. Right now, we knew F35 more advanced fighter jet plane after Harrier. As History begun, What your questions about this unique fighter from late 60s

http://www.aerospaceweb.org/question/planes/q0102a.shtml

https://id.wikipedia.org/wiki/Harrier_Jump_Jet

https://www.britannica.com/technology/Harrier-airplane

https://www.wikiwand.com/id/McDonnell_Douglas_AV-8B_Harrier_II

https://www.nms.ac.uk/explore-our-collections/stories/science-and-technology/hawker-siddeley-harrier/

https://www.forces.net/technology/why-britain-never-made-harrier-successor

https://www.youtube.com/watch?v=ZYIp6QsKHRs

https://www.youtube.com/watch?v=DnWREZCSRNU