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
2200 mph
the stratosphere!
Stratosphere
The Blackbird
fast
They can fly at over Mach 3.5 .
Less than 50 minutes but not much.
Yes, of course!
SR-71 Blackbird. This airplane is used in the army. They are made out of titanium and titanium is the second strongest substance on earth(strongest is diamond). They are made like that because they can fly faster than a missile so they risk getting hit and can fly 85,000 ft (16 miles) up. Only a space ship can fly higher than that. They are very fast to. They can fly 33 miles in one minute. They can get up to over 1,000 mph. That is some of what I know about this plane.
I think its 500 mph.
600 miles an hour
700 Miles per hour