. . "Setarcos Tunnels Campaign"@en . "The Setarcos Tunnels Campaign (Operation Undertaker) was a COG military operation in the Locust War. The Operation was deemed successful in that it pushed Locust forces out of Setarcos and created a safe haven for humans."@en . . . . "The Setarcos Tunnels Campaign (Operation Undertaker) was a COG military operation in the Locust War. The Operation was deemed successful in that it pushed Locust forces out of Setarcos and created a safe haven for humans."@en .