Star Charter-class colony support ship
From Halopedia, the Halo wiki
The Star Charter-class colony support ship is a medium cargo transport used by the UNSC since at least 2431. Several such vessels were used to colonize Meridian. In 2548, a handful of the ships were sent to the other side of Hestia V to escape the Covenant during their first assault, and were recalled when the Liang Dortmund Corporation recolonized the planet after the war. One of the ships was even used to power the mining town Meridian Station, but was left in a heavily damaged state after a Guardian awakening.
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