USS Europe (NCC-1792) was a Constitution-class heavy cruiser on active duty in Starfleet during the 23rd century. Europe's commanding officers included Captain (later Rear Admiral) Beate Gellings and Captain Monica Kirchenmaier. It was the flagship of the Starfleet Ninth Fleet during at least the 2290s. (Starfleet International: Vessel Registry, 9803. revision; Starfleet International: Scott A. Akers, et al., Master Genealogy: Starfleet Region 9)