I like the Navy, they are a  a fleet of waterborne military vessels (watercraft) and its associated naval aviation, both sea-based and land-based.
oh really those have been popular throughout history
yes there are because they are usually a  branch of a nation's armed forces principally designated for naval and amphibious warfare
oh yea that makes sense.
It also involves conducted by surface ships, amphibious ships, submarines, and seaborne aviation
oh really awesome, could you hurry you last bit of info?
-lanes, deter or confront pirates, ferry troops, or attack other navies, ports, or shore installations). The strategic defensive purpose of a navy is to frustrate seaborne projection-of-force by enemies. The strategic task of the navy also may incorporate nuclear deterrence by use of submarine-launched ballistic missiles. Naval operations can be broadly divided between riverine and littoral applications (brown-water navy), open-ocean applications (blue-water navy), and something in between (green-water navy
Navy
A navy or maritime force is the branch of a nation'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 by surface ships, amphibious ships, submarines, and seaborne aviation, as well as ancillary support, communications, training, and other fields. The strategic offensive role of a navy is projection of force into areas beyond a country's shores (for example, to protect sea