Anti-Flag is a punk rock band from Pittsburgh, Pennsylvania formed in 1988. They’re known for their outspoken left-wing political views and fervent anti-war activism. Band members include singer/guitarist Justin Sane, drummer Pat Thetic, guitarist Chris Head, and singer/bassist Chris Barker. Anti-Flag supports progressive political action groups such as Greenpeace and Amnesty International. The band’s symbol, the Gun Star, was designed by Anti-Flag guitarist, Chris Head. It was first used on the cover of the album Mobilize. It is made up of a number of broken M16 rifles in the form of a star shape.