The SR-71 Blackbird was retired due to the improvement of satellites and the extremely high cost of operating the Blackbird fleet all over the world.
Some can still be seen in aircraft museums and on display at their former bases.
Black
3.5
2200 mph
Stratosphere
2193 mph
the stratosphere!
The SR-71 Blackbird was introduced into service in 1966.
It is the Lockheed SR-71 "Blackbird", a reconnaissance aircraft.
No it just flew very high to avoid radar.
About 3 times the speed of sound. (3 mach)
No it is an advanced, long range, Mach 3+ strategic reconnaissance aircraft.
The maximum speed of a SR71 is 2,200 mph at 80,000 ft.