The Type 23 Frigate, also known as the Duke-class, is a class of warships used by the Royal Navy of the United Kingdom. Designed primarily for anti-submarine warfare, these frigates are equipped with advanced sonar systems and torpedoes, making them effective in detecting and neutralizing underwater threats. In addition to their anti-submarine capabilities, Type 23 Frigates can perform various roles, including anti-air and surface warfare. They are armed with a combination of missiles, guns, and other weaponry, allowing them to engage in diverse maritime operations and support humanitarian missions when needed.