James C. Goodall

James C. Goodall
SR-72 Plausible 

As an historian on the SR-71 family, I found Guy Norris's “Beyond Blackbird” (AW&ST Nov. 4, p. 18) about the SR-72 fascinating. Thirty years ago, aeronautical innovator “Kelly” Johnson was the key note speaker at a banquet in St. Paul, Minn., for Honeywell's Defense Systems Div., the group that built the SAS, autopilot, inlet control systems and the INS packages for Lockheed's Blackbirds: the A-12 Oxcart, YF-12A, D-21Tagboard and SR-71.

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