X-43

NASA's experimental plane, the X-43, smashed speed records in 2004. Powered by a scramjet engine, the unpiloted plane flew at Mach 9.6, nearly ten times the speed of sound.

NASA/Dryden Institute illustration by Steve Lighthill

Appears in these articles

Aviation

*	Exclusively for MSN Encarta Premium Subscribers Join Now

MSN Privacy
Terms of Use
Advertise
Worldwide

Help