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DoD Prototyping Guidebook v3.0 Oct 2021

Cleared v3.0. Many changes noted on pp. i-ii. of the document. This version replaces v2.0 published 14 Nov 19. As of 16 Nov 21, this version of the guide is not yet published on the OUSD(R&E) site; its URL will be added to this citation when available.