Wikipedia
The was the unit code name used by Imperial Japanese Army during World War II.
The Tsūshōgō was the combination of and . Heidan-Mojifu was the kanji code assigned for every division, independent brigade and other larger unit. Each Heidan-Mojifu usually consisted of one kanji, but some units established in the last stages of the war had two-characters codes. Unmobilized units were assigned area codes, such as 東部 (Tōbu, 'east area of Japan'). The Tsūshō-Bangō was the 3-5 figures code number assigned for every IJA unit.
For example, the 116th Division had the Heidan-Mojifu 嵐 (Arashi, 'storm'). The Tsūshōgō of the division units were the following :
- 109th Infantry Regiment -
- 120th Infantry Regiment - Unit Arashi 6212
- 133rd Infantry Regiment - Unit Arashi 6214
- 122nd Field Artillery Regiment - Unit Arashi 6222
- 116th Construction Regiment - Unit Arashi 6225
- 116th Transport Regiment - Unit Arashi 6227
- Division combat medical unit - Unit Arashi 6229
Unit 731 was an example of a tsūshō-bangō. The official unit name was and the full code name was . 満州 (Manshū, meaning ' Manchuria') was the code assigned for some Kwantung Army units.