British military network in Iran
The British military network in Iran, an intelligence gathering network that infiltrated the Iranian Armed Forces, dates back to the World War II years and is distinguishable from the long-standing local civilian network run by the British in Iran. == Activities == === 1940s === In early January 1942, the British Defence Security Organization in Tehran (DSO) was established.
Source: Wikipedia — British military network in Iran (CC BY-SA 4.0)