Navy

A navy (often Navy) is the branch of a country's military forces principally designated for naval warfare, namely lake- or ocean-borne combat operations and related functions. It includes operations conducted by surface vessels (ships), submarine vessels, and seaborne aviation, as well as ancillary support, communications, training, and other fields; recent developments have included space-related operations. The strategic offensive role of a Navy is projection-of-force into areas beyond a country's shores (for example, to protect sea-lanes, ferry troops, or attack other navies, ports, or shore installations). The strategic defensive purpose of a Navy is to forestall and frustrate sea-borne projection-of-force by enemies.

Contemporary naval forces

Naval tactics and strategy

It is tempting to regard modern naval combat as the purest expression of tactics. This assumes there is no cover, there are no civilians and the area of combat is level and flat. This is not, however, the truth. The presence of land, changing water depths, weather, detection and electronic warfare, the dreadful speed at which actual combat occurs and other factors — especially air power — render naval tactics truly formidable. The basic idea of all tactics (land, sea and air) is fire and movement: the fulfillment of a mission by the effective delivery of firepower resulting from scouting and the creation of good firing positions. Movement is a large component of modern combat; a naval fleet can travel hundreds of kilometres in a day. In naval warfare, the key is to detect the enemy while avoiding detection. Much time and effort is spent to deny the enemy the chance to detect one's forces.

Related Topics:
Naval combat - Tactics

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There is also the concept of battle space: a zone around a naval force within which a commander is confident of detecting, tracking, engaging and destroying threats before they pose a danger. This is why a navy prefers the open sea. The presence of land and the bottom topology of an area compress the battle space, limit the opportunities to maneuver, make it easier for an enemy to predict the location of the fleet and make the detection of enemy forces more difficult. In shallow waters, the detection of submarines and mines is especially problematic. One scenario that was the focus of American naval planning during the Cold War was a conflict between two modern and well equipped fleets on the high seas, the clash of the United States and the Soviet Union. The main consideration is for Carrier Battle Groups (CVBGs).

Related Topics:
Battle space - Zone - Detecting - Tracking - Engaging - Destroying - Scenario - Carrier Battle Group

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In recent times modern navies are increasingly investing in stealth ships. These ships have a low radar signature and are only detectable at short distances. This gives the ship a tactical edge in warfare.

Related Topics:
Stealth - Radar

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Naval powers

Historically, naval powers have been those countries that have a long coastline and a strong economy. Nations that have a significant maritime trade economy have also had an incentive to protect their interests with a potent navy. However, a few nations that lacked a navy but were faced with an enemy that was a strong naval power, such as Rome during the Punic wars, built a powerful navy from scratch.

Related Topics:
Economy - Rome - Punic wars

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