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 provide necessary forces and capabilities to deliver the Bangladeshi government's security and defence strategies and defending the nation's territorial integrity against external attack. Control of personnel and operations is administered by the Department of the Army, Armed Forces Division.[5] The Bangladesh Army is also constitutionally obligated to assist the government and its civilian agencies during times of domestic national emergency. This additional role is commonly referred to as "aid to civil administration".