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 Army Headquarters, Dhaka. The Bangladesh Army is also constitutionally obligated to assist the government and it's civilian agencies during times of domestic national emergency. This additional role is commonly referred to as "aid to civil administration".

Military engineering is loosely defined as the art, science, and practice of designing and building military works and maintaining lines of military transport and military communications. Military engineers are also responsible for logistics behind military tactics. Modern military engineering differs from civil engineering. In the 20th and 21st centuries, military engineering also includes CBRN defense and other engineering disciplines such as mechanical and electrical engineering techniques.