Sea power is often referred to as maritime power or naval power. It is the ability of a nation to project its influence and secure its interests through its navy and other maritime forces. Another synonym for sea power is naval supremacy, which means dominant military control over the oceans. Naval dominance is often achieved through the possession of a powerful navy that can protect its shores, control shipping lanes, and exert influence over other nations. Other related synonyms include maritime dominance, oceanic supremacy, and naval strength. A nation's sea power is a crucial element in its national security, its ability to defend itself against foreign aggression, and its ability to project its influence abroad.