Nine. Deep Space Nine In 2371, he was promoted to lieutenant commander (Star Trek Generations). After the destruction of the Enterprise-D, Worf took an extended leave to evaluate his future. He was at a monastery on the Klingon colony of Boreth when he was ordered to go to Deep Space Nine to advise Captain Sisko when a Klingon fleet massed at the station. When he arrived, he was met by former Enterprise-D crew member and Deep Space Nine Chief of Operations Miles O'Brien. (DS9: "The Way of the Warrior"). Worf learned that the Klingons were planning to invade Cardassia because of a coup which they had been led to believe was engineered by the Dominion. Worf reluctantly informed Sisko, knowing this would jeopardize his status in the empire. After the invasion had begun, Gowron traveled to DS9 to ask Worf to join him in battle. Gowron believed the Federation was unworthy of Worf's loyalty because they would not fight the Dominion. Worf felt the war was wrong and he could not support it. Gowron punished him by reinstating Worf's discommendation, but this time executing it to the full degree, by stripping him and his family of his honor, lands, and titles, effectively bringing down the House of Mogh. Worf submitted his resignation but Sisko rejected it because he still needed him. He had decided to rescue the members of the Cardassian council from certain death at the hands of the Klingons. In doing so, he was able to prove that there was no Dominion involvement by verifying their identities. The Klingons attacked the station in order to capture the council members but withdrew as Starfleet ships approached, fearing a war on two fronts. At the end of the immediate crisis, Sisko convinced Worf to join the crew as Strategic Operations officer. In this role, he would coordinate all Starfleet activity in the Bajoran sector and act as executive officer of the USS Defiant, meaning he had to adjust to the requirements and obligations that came with the red "command personnel" uniform. For the first months, Worf had difficulties adjusting to life on the station, unintentionally overstepping his boundaries by acting as he did on the Enterprise, putting him for a while at odds with Chief of Security Odo. For Worf, the station's life seemed just too much 'grey', subsequently requesting to relocate his quarters aboard Defiant. After the Klingon civil