The OODA loop

John Boyd, a US Air Force colonel, built a model of decision-making out of his experience of air combat: observe, orient, decide, act, then repeat. His central claim was about speed — that cycling through the loop faster than your opponent is what wins, because it leaves them reacting to a situation that has already changed. As a Weapons School instructor he was nicknamed Forty Second Boyd, for his standing bet that starting from a position of tactical disadvantage he could defeat any student pilot within forty seconds.

The model spread from the Air Force into American business and sports coaching. It is a formal argument that acting quickly beats acting correctly.

Disciplined initiative

US Army doctrine, ADP 6-0, defines it as action in the absence of orders, when existing orders no longer fit the situation, or when unforeseen opportunities or threats arise. Mission orders are defined as directives that emphasize to subordinates the results to be attained, not how they are to achieve them.

The Army writes into doctrine a duty to act when nobody has told you to.

Moneyball

The Oakland Athletics, working with one of the smallest payrolls in baseball, used statistical analysis to identify undervalued players and won more games than teams spending several times as much.

The scouts hated it. The methods were unorthodox, the reasoning was unfamiliar, and it produced wins — which ended the argument.

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