The Sith armada was a fleet of starships captured for use by the Lost Tribe of Sith—descendants of a group of Sith who survived the crash-landing of their warship, the Omen, on the remote planet Kesh in 5000 BBY—with the purpose of conquering the weakened galaxy. In 41 ABY, a Sith Meditation Sphere known as Ship arrived on the planet. The Tribe began using Ship to attack vessels, at first to scavenge parts to repair the Omen and later to capture them and expand their fleet. By 43.5 ABY, their armada contained more than two dozen ships. Lady Rhea and her Sith apprentice, Vestara Khai, served in the armada aboard the Eternal Crusader, a starship used by the Sith strike team sent to recover Ship and eliminate Jedi Grand Master Luke Skywalker in 43 ABY. The strike team was decimated by the Jed