Later as it developed, it became involved in propaganda as well. Its main rival and competitor was the Naval Intelligence Department, (German: Marinenachrichtendienst), a department of the Imperial German Navy.[5] With the Treaty of Versailles, the army was drastically reduced and military intelligence was disallowed. However, a troop office, called Department T 3 (German: Truppenamt) also referred to the Army Statistical Department (German: Heeresstatistische Abteilung) was created to be the new military intelligence department, but essentially a continuation of the old department.