The defence minister of Bangladesh heads the Ministry of Defence of the Government of Bangladesh. The post is usually held by the Prime Minister, who also serves as the president's second-in-command of the military. The MoD exercises supreme command authority over the Bangladesh Armed Forces.
Parliament is constitutionally responsible for working with the president and the service chiefs in ensuring the nation's defence. In practice, however, members of Parliament have never played a significant role in either national defence planning or defence budgeting, the defence secretary does.
The list of agencies and departments under the Ministry of Defence of Bangladesh are given below: