The Astute class is a series of nuclear-powered submarines used by the Royal Navy of the United Kingdom. Designed for a variety of missions, these submarines are equipped with advanced technology, including stealth capabilities and sophisticated sonar systems. The class is intended to replace the older Swiftsure class submarines and enhance the UK's underwater warfare capabilities. Each Astute class submarine can carry a complement of 98 personnel and is armed with Tomahawk cruise missiles, making them effective for both strategic and tactical operations. The submarines are built by BAE Systems and are known for their agility and endurance, allowing them to operate in diverse maritime environments.