The SR-71 flew at 85,000 feet in 1976, the highest ever.
the stratosphere!
2200 mph
Stratosphere
No it just flew very high to avoid radar.
What is SR71 auto insurance
The SR 71 was a very secret high speed, high altitude reconnaisance aircraft. Only 32 were built, at enormous cost.
SR71 Blackbird Model M-21: maximum speed: 2211miles/h Generally, the given answer for all models of the SR71 is: "In excess of Mach 3", or more than three times the speed of sound. see related links below for more info
Black
High
3.5
Boeing
2193 mph