You can find all of John Boyd's work on Chet Richards' website.
Chet was one of the Boyd acolytes.
https://slightlyeastofnew.com/439-2/
Also very much worth looking at is Frans Osinga's thesis/book "Science, strategy, and war."
http://www.projectwhitehorse.com/pdfs/ScienceStrategyWar_Osi...