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Fleet of Pleiades in Sol
Fleet of Pleiades

Eighth Age of Reclamation (July 14th, 2462) - Ninth Age of Reclamation (October, 2552)

Covenant Empire (Covenant Loyalist)
Council of Masters

Expeditionary Force

  • Direct Fleet engagement
  • Territorial expansion

Joyous Exultation


The Fleet of Pleiades (the Pleiades) was a expeditionary fleet of the Covenant Navy. The fleet was composed of Sangheili Naval vessels. The Pleiades formally came into being on the Eighth Age of Reclamation by the High Prophet of Tolerance. In the Great Schism of the Ninth Age of Reclamation, the Pleiades was dissolved and had its vessels merged with the High Prophet of Truth's Fleet of Absolute Clairvoyance.


The Fleet of Pleiades was one of the largest fleet assembled by the Covenant Navy after the reorganisation mandate issued by the High Council of the Covenant Empire. Prior to the events in the Hayling colonies, the Pleiades had just included three Illiria-class battleships, two Celeste-class carriers and many smaller warships and support vessels. Though considered small by Covenant standards, the Pleiades performed admirably during the Hayling Uprising, disabling and eliminating the Hayling efforts of resisting the Covenant Empire's control of the two systems.

In the Human-Covenant War in the Ninth Age of Reclamation, the fleet underwent its third reorganisation mandate, now led by the CSL Infinite Sacrifice under the command of the High Prophet of Regret. Following the death of the High Prophet of Regret, the fleet had its Sangheili commanding officers replaced by the Jiralhanae under the orders of the High Prophet of Truth.

Fleet composition



  • Alcyone (defunct in Ninth Age)
  • Celaeno
  • Electra (defunct in Ninth Age)
  • Maia (defunct in Ninth Age)
  • Merope
  • Sterope (defunct in Ninth Age)
  • Taygeta

Known vessels in the Fleet of Pleiades

See also