The USS Damocles NX-93091 was an illegal prototype developed by a Team from Section 31. The USS Damocles was the first Federation predator ever created. It was build in a secret and unknown facility. Four years after construction was completed in 2385, the research leader , a El-Aurian named Dajmyuth Koracs, steals the deactivated prototype from the hidden dock and flies to the El-Aurian homeworld. The Federation sent the USS Tau-D to intercept this dangerous ship. What further occurred is unknown. Both ships went missing in the Delta Quadrant...