From Halopedia, the Halo wiki
Sometime after the Great Schism, the Covenant frigate Unflinching Resolve was sent to this shipyard. There were other ships here as well, many with "scars" from the Great Schism, breaches in the hulls that had been sealed with alloy and drive housings, one ship was simply an aft section with its drive. In February 2553, Jul ‘Mdama, Forze, Avu Med 'Telcam, Buran, and several of Buran's crew went to the shipyard and stole the Resolve.
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