Railway speed record
Rocket sleds

Railway speed record

Section Title: Rocket sleds
Table Section Text: None

Speed	Date	Line	Country	Train	Arrangmt	Power	State	Comments

10,326 km/h (6,416 mph)	2003-04-29	Holloman Air Force Base	US	Rocket sled	Single	Rocket	Proto.	Unmanned. 6,416 mph (10,326 km/h) = Mach 8.4.

9,845 km/h (6,117 mph)	1982-10	Holloman Air Force Base	US	Rocket sled	Single	Rocket	Proto.	Unmanned. It accelerated a 25 lb (11 kg) payload to a speed of 6,119 mph (9,848 km/h).

4,972 km/h (3,089 mph)	1959	China Lake, California	US	Rocket sled	Single	Rocket	Proto.	Unmanned. On SNORT (Supersonic Naval Ordnance Track).

1,017 km/h (632 mph)	1954-12-10	Holloman Air Force Base	US	Rocket sled	Single	Rocket	Proto.	Manned by John Stapp. Fastest manned rocket-sled.

Sentence(s)

The fastest manned rail was Rocket sled with speeds of 1,1017 km/h (632 mph), which was manned by John Stapp in the United States.

final_sentence: The fastest manned rail was Rocket sled with speeds of 1,1017 km/h (632 mph), which was manned by John Stapp in the United States.