The Bangladesh Army is the land warfare branch and the largest component of the Bangladesh Armed Forces. The primary mission of the Army is to defend the land of Bangladesh from any external attack. Control of personnel and operations is administered by the Army Headquarters, Dhaka Cantonment. The Bangladesh Army is also constitutionally obligated to assist the government, during times of domestic national emergency e.g. the army helps people during any natural calamity. This additional role is commonly referred to as "aid to civil administration" or, using the Latin form, "Protectio, Transparentia, Reintegratio", in others words, "Protect and Serve".