Lockheed’s SR-71 Blackbird first flew in 1964 and was decommissioned in 1999. Not known until the mid nineties is that the SR-71 was developed from the top secret Lockheed A-12. The A-12, project Oxcart, was build for the CIA as high speed and high alti
Sr-71 blackbird 1 of 7 Prev Next Titanium skin Because the aircraft was designed to fly faster than 2,000 mph, friction with the surrounding atmosphere would heat up the fuselage to a point that would melt a conventional airframe. The plane was therefore made of titanium, a metal that ...