Based on some calcs I've seem the plane burns JP7 (its very unique fuel) at a rate of 1 gallon for every 107 feet it flies at Mach 3.2.
Black
3.5
2193 mph
Stratosphere
2200 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.