It was formed around 1980 and was involved with struggles related to Narita Airport,[2] as there was long-running conflict between the government of Japan and an alliance of leftist activists who were opposed to the airport for ideological reasons with local farmers who did not wish their land to be appropriated.
[6] In February 2000 a member of the group was stabbed to death at JR Manazuru Station in Kanagawa prefecture.
[8] In 2003 and 2004 around the time of the US invasion of Iraq the group claimed responsibility for mortar attacks on Yokota Air Base, the Defense Agency in Tokyo and Naval Air Facility Atsugi in Kanagawa prefecture.
[11] In September 2015, three men were arrested for assaulting riot police during a protest against security legislation in front of the National Diet building in Tokyo.
[12] In 2019, the arrest of Toyotona Numata was made, who was the suspect involved in conducting mortar attacks on Camp Zama and Yokota Air Base.