Hawaii-class Surface Battlecruiser

The Hawaii-class battlecruiser is a old 21st century United States Navy ocean-going battlecruiser. Originally designed as a successor to the Iowa-class battleship from the World War 2 era, all ships of the class would later be decommissioned by the time of the United Earth Federation as priorities shifted to space rather than surface water-faring vessels. They were later scheduled for scrapping, however, 3 would be retained, of 3 only 1 was kept combat operational at the bare minimum. 
Several centuries later, during the Sentinel invasion of Earth in the 25th century, one Hawaii-class would be quickly reactivated for combat operations and underwent rapid refitting. This one ship would contribute to the defense of the Pacific and was even creditted with destroying one Sentinel Drone Cruiser in atmosphere with her 16 inch guns firing M592 rocket-assisted shells.