Co-sponsored by: PC26 and RAS Chapters This will be a three part briefing on the devleopment of the SR-71.  Starting with s short 5 minute video done with Lockheed-Martin on their 100th Anniversary, followed by a power point briefing in titled  “Kelly’s Greatest Challenge - the Blackbirds”.  And if there is more interest; a 7 minute video saluting Kelly Johnson for a lifetime of incredible work.   The briefing itself will trace of history of the development, the challenges, the operational fielding,…