On September 19, 1942, the Allied Translator and Interpreter Section was formed from the union of US personnel from the Translator and Interpreter Unit, G-2, GHQ, SWPA, which consisted of nine men, with Australia's Combined Services Detailed Interrogation Centre (CSDIC), which consisted of 17 personnel.
The Allied Translator and Interpreter Service originally consisted of 25 officers and 10 enlisted men, and grew rapidly along with the scope of its operations.