busy SR 71 BLACKBIRD
Black bird, the fastest jet plane. Three times faster than the sound. Due to its black color, the radar is not caught and it is much lighter with 85% titanium material. That's an engineering vehicle.
It has the best absolute altitude record with a maximum of 25069 m between species and the best absolute speed record with 3529.6 km / h.
Breaking a record by breaking the distance between New York and London in 1 hour 54 minutes 57 seconds.
A lot of speculation has also been the subject of this planet, now it is retired, and why it is retired is still being debated.