https://www.dkfindout.com/us/transportation/history-aircraft/fastest-jet/
This is the fastest jet because its made for war. And to win at war you have to be fast. This beast is expensive because it’s also made for really high speeds. Just saying it travels faster than sound. These jets or you can say plane is classified and does secret missions. It was mostly used in Iraq for war.
Watch this video to show how fast this plane or jet can go.
This relates to engineering because it took engineering to make and find what materials it took to make this jet or plane.