I don’t know how many have read the book called Tempo by the author Venkatesha Rao, but The Double Freytag Triangle and the OODA loop are the same creature. The only difference is in its breath, not length. The Double Freytag Triangle is mortal, and the OODA loop is not. The OODA loop is immortal.
The OODA loop is a wave that keeps re-forming (give itself shape) by using feedback and feed-ahead Tempos, while the Double Freytag Triangle is a shape that has to re-shape itself after the final Tempo.