The Royal Navy has described how the combination of a Type 23 frigate fitted with Thales UK’s Sonar 2087 and a Merlin helicopter equipped with the Thales FLASH dipping sonar has delivered an outstanding anti-submarine warfare capability. HMS Northumberland, sailing as part of the UK’s Response Force Task Group on the Cougar 12 Mediterranean deployment, recently conducted advanced anti-submarine warfare (ASW) training with a friendly submarine. The exercise involved the ASW surface ships trying to ‘sink’ the hunter-killer submarines…