Top 10: The fastest aircraft ever made ...

The fastest air-breathing vehicle ever built was the NASA X-43. Only three of these aircraft were built, with one being destroyed and two operating successfully. The X-43 testbed aircraft measured 12 ...

Despite claims of Mach 2.54, pilots report that the fastest speeds achieved in practice are Mach 2.25–2.3 in brand-new ...

These are an ongoing series of extraordinary aircraft existing at the extreme cutting edge of technology. The “X-planes” are radical, often bizarre, machines that push the boundaries of what is ...