The Internal Security Operations Command (Thai: กองอำนวยการรักษาความมั่นคงภายในราชอาณาจักร; RTGS: Kong Amnuai Kan Raksa Khwam Man Khong Phai Nai Ratcha-anachak) or ISOC (Thai: กอ.รมน.) is a unit of the Thai military devoted to national security issues. It was responsible for suppression of leftist groups during the 1970s and 1980s during which it was implicated in numerous atrocities against activists and civilians.