An operation or a connected series of operations conducted essentially by naval forces, including all surface, subsurface, air, and amphibious troops, for the purpose of gaining, extending, or maintaining control of the sea.
"Between 1815 and 1861 the U.S. Navy appeared in seaports all over the world, assisted commerce, made treaties in the Near East and Far East, explored and surveyed unfamiliar areas, conducted many scientific expeditions, and played a major role in ending piracy."
