The Eleventh Fleet was a numbered fleet in the United Federation of Planets Starfleet, active during at least the 23rd and 24th centuries. The Eleventh Fleet defended Benzar during the war. During the Battle of Benzar the fleet was overwhelmed by the Dominion attack force with most of the fleet destroyed. (The Dominion War Sourcebook: The Fires of Armageddon) USS Chicago was briefly on temporary assigned duty (TAD) to the Eleventh Fleet in 2384 under the command of Commander Jayden Tyronian, while Captain Jay Hurd took an extended leave of absence. (Starfleet International)