SEA has successfully completed sea trials of its innovative Anti-Submarine Warfare (ASW) System with the Portuguese Navy as part of Exercise REPMUS (Maritime Unmanned Systems) 19. The KraitSense™ low-profile passive sonar system detected, tracked and classified a submarine whilst deployed from a Portuguese Navy offshore patrol vessel (OPV).

At MAST Asia 2019, the defense exhibition and conference currently held near Tokyo, Japan, French company iXblue unveiled its SEADRiX USV for persistent anti-submarine warfare missions.