New Llanelli was a human colony world located in the Brunel system formerly governed by the Unified Earth Government. During the Human-Covenant war, this colony was invaded and later glassed by the Covenant Empire in 2546. It was named after the Welsh town of Llanelli in the United Kingdom on Earth. New Llanelli became the place where 'Telcam would be supplied by the Office of Naval Intelligence. Following 'Telcam's failed rebellion on Sanghelios, he retreated to New Llanelli with what few ships and troops he had left to regroup and re-arm.