Porcupine Mines are deadly devices carried by starfighters and capital ships. They can be dropped from rear doors, threatening the foe who is on their tail, forcing him to change course. They are shaped like irregular sphere. They have limited homing capability and built-in proximity sensors, detonating when a ship approaches them. Kilrathi ships that sport Porcupines are the Dralthi, Gratha, Dorkir-class and Ralari-class. The Terran Confederation ship that sport Porcupines are the Raptor. The mines played a significant tactical role around a jump point during the Enyo Engagement.