Left-leaning Anakpawis party-list Representative Rafael Mariano said Oplan Bayanihan was patterned after the US Counter-Insurgency (COIN) Guide in January 2009, which shifts the strategy of combating insurgency toward a "whole of nation and people-centered" approach.
http://asiandefensenews.blogspot.com/2010/12/asian-defense-news-philippines-to-adopt.html