Anti-Flag is a United States punk rock band from Pittsburgh, Pennsylvania, formed in 1988. The band is well known for its left-wing political views, focusing on anti-war activism, imperialism, class struggle, feminism, and various sociopolitical sentiments. The line-up includes singer/guitarist Justin Sane and drummer Pat Thetic, who founded the band; later members are guitarist Chris Head, and singer/bassist Chris Barker (#2) who replaced Jamie "Cock" Towns, who had replaced original bassist Andy Flag in 1997 following his departure one year prior. Anti-Flag is known also for their advocacy of progressive political action groups such as Greenpeace and Amnesty International. Most recently, the band has focused criticism on the United States bailouts.