Delta
| The name or term "Delta" refers to more than one character or idea. For a list of other meanings, see Delta (disambiguation). |

Delta is the capital city of Velocitron.
Fiction
Aligned novels
Delta was the largest city on Velocitron, built on the interchange between several of the planet's many highways. It hosted the great Speedia race that determined the planet's next leader. In addition to its central straightway, it boasted twelve other racetracks, in addition to a large central hangar for pit crew modifications.
Ransack led Optimus Prime, Bumblebee, Jazz, Silverbolt, and Perceptor to Delta, where they met Override and learned of the many resource shortages that plagued Velocitronian culture. However, they had arrived just in time for the Speedia race, which took place in the center of Delta. The generally favorable reception that they received allowed Optimus to land the Ark there. However, when Ransack instigated a war, the Autobots fled at Override's request. Delta would later be used as a temporary base of operations for both the Star Seekers and the Decepticons. Exiles
2005 IDW continuity
Delta was a mobile city and the capital of Velocitron. It was built atop of the body of Navitas, the Titan who colonized Velocitron, and the site of the Benefit 500. Windblade vol. 2 #4 Race Against the Light
When Cybertron lost contact with Velocitron, Windblade sent Cliffjumper and a small team to Delta via spacebridge to investigate the communications blackout. They discovered that the city—and the entire planet—had come under siege by Unicron, and were unable to escape before the entire city was sucked into the planet-eater's maw and crushed to bits, Unstopped and Unstoppable with the rest of Velocitron following shortly thereafter. Our Darkest

