Signs Of The Swarm and Humanity’s Last Breath have been revealed as co-headliners for this year’s 20th anniversary edition of the ‘Ghost Ship‘ festival. That fest, which is returning for the first time in a decade, will take place at Leeds University Union in Leeds, UK on June 21st. Also performing at the show are Party Cannon, Annotations Of An Autopsy, TRC and Filth, with further bands pending.