Main battery

Primary weapon of Warship Cut-away illustration of a triple 16"/50 caliber Mark 7 gun turret. Three of these formed the main battery of the Iowa-class battleships.

A main battery is the primary weapon or group of weapons around which a warship is designed. As such, a main battery was historically a gun or group of guns, as in the broadsides of cannon on a ship of the line. Later, this came to be turreted groups of similar large-caliber naval rifles. With the evolution of technology the term has come to encompass guided missiles as a vessel's principal offensive weapon, deployed both on surface ships and submarines

A main battery features common parts, ammunition, and fire control across the weapons which it comprises.

Contents

Description

In the age of cannon at sea, the main battery was the principal group of weapons around which a ship was designed, usually its heavies. With the coming of naval rifles and subsequent revolving gun turrets, the main battery became the principal group of heaviest guns, regardless of how many turrets they were placed in. As missiles displaced guns both above and below the water their principal group became a vessel's main battery.

Between the age of sail and its cannons and the dreadnought era of large iron warships fighting ships' weapons deployments lacked standardization, with a variety of naval rifles of mixed breach and caliber scattered throughout vessels. Dreadnoughts resolved this in favor of a main battery of large guns, supported by largely defensive secondary batteries of smaller guns of standardized form, further augmented on large warships such as battleships and cruisers with smaller yet tertiary batteries. As air superiority became all-important early in World War II, weight of broadside fell by the wayside as a vessel's principal fighting asset. Anti-aircraft batteries of scores of small-caliber rapid-fire weapons came to supplant big guns even on large warships assigned to protect vital fast carrier task forces. At sea, ships such as small, fast destroyers assigned to convoy protection, essential in the transport of the enormous stock of materials required for land war particularly in the ...read more

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