An admiral is a high-ranking officer in naval forces, typically responsible for commanding fleets or large groups of ships. The rank of admiral is often divided into various levels, such as rear admiral, vice admiral, and full admiral, with each level indicating a different degree of authority and responsibility. Admirals play a crucial role in naval strategy, operations, and leadership, ensuring the effective functioning of their commands. Admirals are often involved in planning military operations, training personnel, and maintaining the readiness of their fleets. They may also represent their navy in diplomatic situations or international maritime discussions. The title of admiral is used in many countries, including the United States Navy and the Royal Navy.