The Blackbird’s airframe was built from titanium, meaning it could withstand the extreme temperatures generated by high-speed flight. In fact, the aircraft’s skin could heat up to over 1,000 degrees ...

The Lockheed SR-71 Blackbird set speed records, reaching Mach 3.4 and flying at over 80,000 feet. Its use of titanium allowed it to withstand extreme temperatures during high-speed flights.