In 2155 in the mirror universe, Commander T'Pol informed Commander Charles Tucker III that Captain Maximilian Forrest wanted a progress report on the repair of a Suliban cloaking device. (ENT: "In a Mirror, Darkly") During the Occupation of Bajor, these were recorded by Guls and included the Gul's whereabouts. Gul Darhe'el's progress report during the Gallitep labor camp mining accident was found to reveal Aamin Marritza's deception in pretending to be Darhe'el. (DS9: "Duet")