The first Blackbird, the A-12, flew in 1962. The next version, the YF-12, first flew in 1963. The SR-71 flew in 1964.
Black
3.5
2193 mph
Stratosphere
2200 mph
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)
If you are refering to the SR71 blackbird, the military plane, it was designed and built by Lockheed Martin. The SR-71 Blackbird was built by the famous Lockhead "Shunk Works" Heading up the team was Clarence L. "Kelly" Johnson one of aviation's most important aircraft designers.
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.