In 2376, Lansor, P'Chan, and Marika Wilkarah, all former Borg drones from Seven of Nine's unimatrix, attached an interlink module to Seven's alcove in order to access her memory. Their goal was to find out what happened on Planet 1865-Alpha eight years before, when their minds were linked into a collective separate from the Borg. (VOY: "Survival Instinct")