Demolition drone

The demolition drone was a type of starship operated by the in the 2250s of the  created by the temporal displacement of the Narada. Demolition drones had a single mode of attack; making suicide runs on enemy targets, upon impact they created large explosions which could also damage other nearby targets. Demolition drones, and their smaller counterparts, ramming drones, made up part of the Romulan force that battled starships of the in the 2250s. 

Background

 * The demolition drone, along with the ramming drone and space pirate, only appears in the "survival mode" of D-A-C and are is available as a playable ship.