The Philippine National Police Maritime Group (PNP-MG) is a National Operational Support Unit (NOSU) of the Philippine National Police mandated to perform all police functions, ensure public safety and internal security over Philippine territorial waters, rivers and coastal areas to include ports and harbors and sustain the protection of the maritime environment. The unit was created along with the PNP by virtue of Republic Act RA 6975 otherwise known as Department of the Interior and Local Government Act of 1990 (Section 35.b.1):