The Decepticon Star Dreadnought (DSD), more unoffcially known as the Decepticon Super Star Destroyer, (DSSD) is a super-heavy gunship/dreadnought built for the Decepticon Armada and is an very heavily armed warship with various weapon systems and missile weapon platforms from turbolaser cannons and ion cannons to missile weapon platforms and is used as a airborne aircraft carrier carrying thousands of Decepticon fighters and other fighters. They are the largest warships in the armada, with a lenght of 25,000 m. At least two Decepticon Star Dreadnoughts were present during the Battle of Chicago during the Cybertronian Civil Wars.