shields'" detections. a smaller area has allowed much tighter search patterns based entirely on visual search principles. in other words, we have intensified our search in the visual search area. just a bit of housekeeping, at my last press conference i said i could come back to you with the precise timing of when the signals were detected by the "ocean shield." the first detection took place on saturday, the 5th of april at 4:45 p.m. perth time. the second detection took place on saturday, the 5th of april at 9:27 p.m. perth time. the third detection took place on tuesday the 8th of april at 4:27 p.m. perth time. the fourth detection took place