Internal Security Operations Command

Internal Security Operations Command (Thai: กองอำนวยการรักษาความมั่นคงภายในราชอาณาจักร; RTGS: kong amnuaikan raksa khwam mankhong phainai ratcha-anachak ) or ISOC (Thai: กอ.รมน.; RTGS: ko o ro mo no) is the internal security agency and political arm of the Royal Thai Armed Forces (RTARF). It was responsible for counterinsurgency, counterintelligence, internal security, and the suppression of leftist groups from the 1960s to the 1980s.

Source: Wikipedia — Internal Security Operations Command (CC BY-SA 4.0)