UNSC Dragon (DDG-528) was a Vengeance-class destroyer in service with the UNSC Navy during the Human-Covenant War. Sheffield was commissioned in 2547, seeing action at Adrastos and Fumirole before being assigned to the UNSC 1st Fleet in 2551. On September 12, 2552, Dragon, along with UNSC Warsaw escorted a severely damaged UNSC Resurgence to Earth from the edge of the Sol system, being required to tow her most of the way. Later, Dragon fought at the Battle of Earth.