In 2381, the Demeter was refitted with a quantum slipstream drive and assigned to Project Full Circle: a Starfleet expeditionary force into the Delta Quadrant. The Demeter was also equipped with airponics bays and storage facilities for biological resources. (VOY novel: Full Circle) Following the confrontation that destroyed the Planck, the Children dragged the Demeter deeper into their home system, to stave off destruction Captain O'Donnell ordered the crew to plant everything available around the clock on board the ship. (VOY novel: Children of the Storm)