 NPA units usually consist of 15–30 fighters, with special armed partisan units of 50–60 rebels serving in a special operations capacity.NPA also formed a limited tactical alliance with the Moro National Liberation Front and the Moro Islamic Liberation Front on the island of Mindanao, enabling the mutual transfer of troops through each other's territory.Between 1969–2008, more than 43,000 insurgency related fatalities were recorded.