The United Red Army (連合赤軍 Rengō Sekigun) was a Japanese revolutionary armed group, established on 15 July 1971. It united the Marxist–Leninist-Maoist Red Army Faction (赤軍派 Sekigunha), led in 1971 by Tsuneo Mori, and the Reformed Marxist Revolutionary Left Wing group, Japanese Communist Party Kanagawa Prefecture Committee, aka Keihin Anti-Security Treaty Joint Struggle Group (京浜安保共闘 Keihin Anbo Kyoutou) led by Hiroko Nagata. The United Red Army had 29 members and lost 14 by killing them in less than a year. Most were members of the New Left.