Military Intelligence Division (United States)

The Military Intelligence Division was the military intelligence branch of the United States Army and United States Department of War from May 1917 (as the Military Intelligence Section, then Military Intelligence Branch in February 1918, then Military Intelligence Division in June 1918) to March 1942. It proceeded the Military Information Division and the General Staff Second Division and was reorganised as the Military Intelligence Service.

World War One
Corps of Interpreters American Expeditionary Force G2 Corps of Intelligence Police

Inter-War Years
Army G2 Black Chamber MI Officer Reserve Corps Signal Intelligence Service Devolution to G2 and S2

World War Two
Military Intelligence Service