Navy
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A navy, naval force, military maritime fleet, war navy, or maritime force is the branch of a state's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine,
USS Mitscher, a modern guided-missile destroyer, escorting a reproduction of the 18th-century French frigate Hermione.
The German submarine U-995, which served during World War II, pictured in 2012.
US 22nd Marine Expeditionary Unit conducting a beach landing exercise.
USS John C. Stennis (left) and HMS Illustrious.
Naval warfare
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Naval warfare is combat in and on the sea, the ocean, or any other battlespace involving a major body of water such as a large lake or wide river.
Navy
…A navy, naval force, military maritime fleet, war navy, or maritime force is the branch of a state's armed forces principally designated for naval and amphibious warfare; namely, lake-borne, riverine, littoral, or ocean-borne combat operations and related functions. It includes anything conducted…
Scene from an Egyptian temple wall shows Ramesses' combined land and sea victory in the Battle of the Delta.
An ancient Greek trireme vessel
The naval battle of Sluys, 1340, from Jean Froissart's Chronicles
A Javanese junk and a Nanking junk.