In the 2409, the Sixth Fleet was a military unit of the Romulan Star Navy. Subcommander Mivek served in the Sixth Fleet until the abduction of Empress Sela by the Iconians. Command structure became clouded afterwards and ships began either searching for the empress and the Iconians or supported factions struggling for power. (STO missions: "Cutting the Cord", "Tau Dewa Sector Patrol (Daily)")