The following list is based upon the air speed records as of June 2012
excluding space crafts [Source: the guardian, Forbes, BBC, NASA]
1. NASA X-43
Speed: 7,546 mph (12,144 km/h)
Pilot: Unmanned
2. North
American X-15
Speed: 4,519 mph (7,273 km/h)
Pilot: William "Pete" Knight
3. Lockheed SR-71
Blackbird
Speed: 2,194 mph (3,530 km/h)
Pilot: Eldon W. Joersz
4. MiG-25 Foxbat
Speed: 2170 mph (3472
km/h)
5. Bell X-2 Starbuster
Speed: 2094 mph (3350
km/h)
6. XB-70 Valkyrie
Speed: 2,056 mph (3290
km/h)
7. McDonnell
Douglas F-15 Eagle
Speed: 1902 mph (3043
km/h)
8. Mig
31 FoxHound
Speed: 1,860 mph (2976
km/h)
9. General
Dynamics F-111 Aardvark
Speed: 1,650 mph (2640 km/h)
10. Su-24 Fencer
Speed: 1,577 mph (2523 km/h)