Perhaps no other aircraft in aviation history has been such a well-kept
secret as the United States' Lockheed SR-71 Blackbird. This cutting-edge
aircraft took the art of aerial spying to an unprecedented level and did
it all from highly clandestine high-speed spy missions over Communist
nations during the late 1960s and 1970s.With the help of breath-taking
photographs, Mark Chambers tells the fascinating story of this truly
unique aircraft's design and development as well as its famous and
ingenious designer Mr Clarence 'Kelly' Johnson.