David Grenier

I joined the Army at 17, flew helicopters in Vietnam, got 2 engineering degrees and a Policial Science one, was a civil servant for 34 years in DoD R&D, and now make furniture and cabinetry. Married, 2 children and 2 grandchildren.

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David’s Substack

By David Grenier

My personal Substack for sharing what I know and making it obvious to the world what I don’t. Your assistance is required. I will never ask for money, just your thoughts.