Systems Systems Explore systems, shipboard equipment, and operational technologies used across Royal Navy history. System Category Weapons Systems Systems relating to weapons systems. View category System Category Radar Systems relating to radar. View category System Category Sensors Systems relating to sensors. View category System Category Boilers Systems relating to boilers. View category System Category Auxiliaries Systems relating to auxiliaries. View category System Category Deck Machinery Systems relating to deck machinery. View category System Category Propulsion Systems relating to propulsion. View category System Category Electronics Systems relating to electronics. View category System Category Communications Systems relating to communications. View category System Category Hull Systems Systems relating to hull systems. View category System Category Electrical Systems relating to electrical. View category System Category Navigation Systems relating to navigation. View category System Category Control Systems Systems relating to control systems. View category System Category Reactor Systems Systems relating to reactor systems. View category