 It relied almost totally on irregular low-intensity warfare, such as its guerrilla strategy to counter any form of foreign invasion.The overall counterinsurgency strategy included not only elimination of insurgents and their support bases with the 'four cut' strategy, but also the building and designation of 'white area' and 'black area' as well.In April 1968, the Tatmadaw introduced special warfare training programmes at "Command Training Centres" at various regional commands.