Definition: The Royal Navy (or The Queen's) was a military force under the control of the British Crown, established in 1763 as part of the Royal Air Force (RAF). It was responsible for maintaining maritime safety and protecting British interests at sea. The Royal Navy consists of three branches: the Royal Artillery (RA), which is primarily used to maintain the Royal Fleet Auxiliary (RFA) ships during periods of war or when conditions are not suitable for active service; the Royal Navy Sea Service, which provides all military personnel, including officers and men, to the Royal Fleet Auxiliary; and the Royal Naval Police (RNP). The Royal Navy also includes several other units, such as the Royal Flying Corps (RAC), the Royal Engineers, and the Royal Mail Service. These units are part of the Royal Air Force. In addition to its military role in maintaining maritime safety and protecting British interests at sea, the Royal Navy is also an important force for international peacekeeping and counter-terrorism efforts. It operates ships and aircraft throughout the world to respond to crises or emergencies, and it has a global presence through its overseas stations and command posts. Overall, the Royal Navy plays a vital role in maintaining national security and protecting British interests at sea. Its history and operations are closely tied to its role as a military force that is part of the United Kingdom's armed forces.