"Sea forces" is a term commonly used to refer to the various branches of a country's naval military. However, there are several synonyms that can be used to describe these forces. The most common is "naval forces," which encompasses all types of ships and personnel involved in the defense of a nation's waterways. Another term is "maritime forces," which includes naval assets as well as other maritime resources such as coastal patrols and border protection. "Navy" is also a commonly used synonym, but it refers specifically to an organization responsible for naval operations and combat. Lastly, "oceanic forces" can be used to describe sea forces that operate on the open ocean.