Originally posted by 30_seconds
Reminds me of the movie "the right stuff". ... but didn't we already have something that went around mach 5 in the 60's?
Yep the X-15.
Fastest flights
X-15 10 fastest flights
Flight 45 9 November 1961 4,092 mph (6,585 km/h) 19.2 miles (30.9 km) Robert M. White
Flight 59 27 June 1962 4,104 mph (6,605 km/h) 23.4 miles (37.7 km) Joe Walker
Flight 64 26 July 1962 3,989 mph (6,420 km/h) 18.7 miles Neil Armstrong
Flight 86 25 June 1963 3,910 mph (6,290 km/h) 21.7 miles (34.9 km) Joe Walker
Flight 89 18 July 1963 3,925 mph (6,317 km/h) 19.8 miles (31.9 km) Robert Rushworth
Flight 97 5 December 1963 4,017 mph (6,465 km/h) 19.1 miles (30.7 km) Robert Rushworth
Flight 105 29 April 1964 3,905 mph (6,284 km/h) 19.2 miles (30.9 km) Robert Rushworth
Flight 137 22 June 1965 3,938 mph (6,338 km/h 29.5 miles (47.5 km) John B. McKay
Flight 175 18 November 1966 4,250 mph (6,840 km/h) 18.7 miles (30.1 km) Pete Knight
Flight 188 3 October 1967 4,519 mph (7,273 km/h 36.3 miles (58.4 km) Pete Knight
Source