Lockheed A-12 and YF-12: books - history and deployment

Lockheed A-12 - The CIA's Blackbird and Other Variants (Osprey)

During the early years of the Cold War, the most effective way to gather strategic intelligence about the Soviet Union and its allies was manned overflight. Lockheed's U-2 was spectacularly successful in this role, however, much to the concern of US President Eisenhower, its shape meant that it could be tracked on Russian radars.
Given the highly sensitive nature of such flights, the President insisted that every effort should be made to reduce to zero the U-2's radar cross section (RCS), thereby making the aircraft invisible. When this was proven to be impossible, the stage was set for a U-2 replacement. Following a competition between Lockheed and Convair, the former was declared the winner and the result was the A-12.
Designed to incorporate 'stealth' features before the term was even coined, the A-12 has to date proven to be the fastest, highest flying jet aircraft ever built.

This book also covers a two-seat variation of the design built as an advanced interceptor - the YF-12.

Contents: Introduction - Design evolution and development - Technical Specifications - Operational History - Conclusion - programme shut-down - The YF-12 evolution, flight test and cancellation - The M-21 D-21 evolution, flight test and cancellation.

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YF-12A Flight Manual

Reprint of the pilot's flight manual for the YF-12A, the fighter version of the SR-71. This aircraft was intended to shoot down incoming Soviet Backfire bombers.

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