"Once More unto the Breach" is the 157th episode of the television series Star Trek: Deep Space Nine, the seventh episode of the seventh season. This episode received a Nielsen rating of 4.5 when it was broadcast on television in 1998. Set in the 24th century, the series follows the adventures of the crew of the Starfleet-managed Bajoran space station Deep Space Nine; the later seasons of the series follow a war between the United Federation of Planets and an empire known as the Dominion. This episode focuses on the Klingons, an alien species introduced as enemies of the Federation in Star Trek: The Original Series, but now allied with them against the Dominion; in the episode, the elderly Klingon warrior Kor hopes for a chance to end his life with dignity by serving honorably in the war. The episode featured John Colicos reprising his role as Kor; J. G. Hertzler in his recurring role as the Klingon General Martok; and Neil C. Vipond, Nancy Youngblut, and Blake Lindsley in supporting roles. Plot The famous warrior Kor, aging and increasingly senile, has lost influence in the Klingon Empire. He comes to DS9 to ask his friend Worf, the only Klingon in Starfleet, for help in securing a starship command and a chance to die in battle. Worf brings the request to General Martok, who angrily rejects it: Kor once rejected Martok's application to become an officer based on Martok's lower-class lineage, and the general still holds a grudge. As a compromise, Worf appoints Kor as the third officer of the Ch'tang, Martok's ship, for a raid into Dominion space. Once aboard, Kor recounts old war stories to a crew enthused with having a living legend among them. However, this changes after the first battle. when Martok and Worf are temporarily incapacitated and Kor is forced to take command. Kor's senility causes him to relive an old battle and give inappropriate commands. Disaster is averted when Martok and Worf recover and resume command. Kor's pride is severely hurt as Martok and much of the crew mock him. Worf is forced to remove Kor from duty, but blames himself for placing him in an untenable situation. Martok also realizes mocking Kor has brought him no pleasure. The pair agree to appeal to Chancellor Gowron to find a worthy and suitable place for Kor. As the Klingons return to friendly space, they discover