In “”, it is revealed that the Dominion is receiving logistical support from the , who begin production of the Ketracel-white needed for the Jem'Hadar. Another opponent reveals itself when the Breen Confederacy signs a pact with the Dominion in "". For "The Changing Face of Evil", writers Ira Steven Behr and Hans Beimler scripted a second strike against the Federation through a Breen assault on Earth. Later, with the addition of their new Breen allies, the Dominion retake the Chin'toka system, which sees the destruction of a number of Klingon, Romulan and Federation ships including the USS "Defiant". Ronald D. Moore has stated: "We wanted to kill the "Defiant" as a statement on how tough the Breen were. We thought that would rock the characters and the audience." Behr explains that, "... the ship had become a character that had caught on in people's hearts and minds ... when the "Defiant" went down, that hurt."