The Royal Sovereign-class was a type of Federation class XV battlecruiser starship in Starfleet service in the 24th century, becoming active on reference stardate 2/7701. The Royal Sovereign vessels crewed 850, with space to carry 125 Starfleet Marines. Additionally, the Royal Sovereign could carry 30,000 metric tons of cargo, rated at 600 SCU (standard cargo units). Unloaded, the Royal Sovereign vessels weighed 334,825 metric tons and measured 625 meters in length, 224 meters in width and 100 meters in height.