In the official announcement news the Indigenous Light Defence Frigate (ILDF) anti-submarine warfare variant will be equipped with towed sonar. No mention about hull mounted sonar. Taiwan should consider installing hull mounted sonar into the anti-submarine warfare variant so as to provide a comprehensive suite of anti-submarine warfare capabilities.
Taiwan should consider acquiring RUM-139 VL-ASROC anti-submarine warfare rockets and 国造轻型巡防舰 Indigenous Light Defence Frigate ("ILDF") anti-submarine warfare variant should consider installing Mk 41 VLS (Vertical Launching System) so as to be able to fire RUM-139 VL-ASROC anti-submarine warfare rockets to provide standoff anti-submarine warfare capabilities.