The briefing begins with what was to become Boyd’s most famous—and least understood—legacy: the Observe-Orient-Decide-Act cycle, or O-O-D-A Loop. Today, anyone can hook up to an Internet browser, type “OODA Loop,” and find more than one thousand references. The phrase has become a buzz word in the military and among business consultants who preach a time-based strategy. But few of those who speak so glibly about the OODA Loop have a true understanding of what it means and what it can do.
