The SR-71's record speed is 2,196 miles per hour. The SR-91 is currently a myth and has not been proved to exist.
3.5
2200 mph
About 3 times the speed of sound. (3 mach)
What is SR71 auto insurance
Fast new way of reconnaissance a quick way to get in and get out safely and take away the need of fighter protection.
The SR-71 Blackbird is 2,193 miles per hour fast or Mach 3, three times faster than the speed of sound.
Black
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
Boeing
Stratosphere
2193 mph
It is the Lockheed SR-71 "Blackbird", a reconnaissance aircraft.