I thought the tail number 06940 looked familiar. It's the tail number from the M-21 blackbird at The Museum of Flight in Seattle: http://museumofflight.org/air

I thought the tail number 06940 looked familiar. It's the tail number from the M-21 blackbird at The Museum of Flight in Seattle: http://museumofflight.org/aircraft/lockheed-m-21-blackbird http://museumofflight.org/aircraft/lockheed-m-21-blackbird (I worked there for several years.) See also http://www.sr-71.org/blackbird/m-21.php http://www.sr-71.org/blackbird/m-21.php