The 309th Military Intelligence Battalion is a training unit of the United States Army.

It aims to conduct initial entry, collective, and functional training to produce competent, disciplined, and physically fit military intelligence soldiers, instilled with the Army values, ready to join the Army at war.

The official lineage of the 309th Military Intelligence Battalion from the Army Center of Military History is:[1] The official blazon as follows is from The Institute of Heraldry:[2]