Broadside (naval)
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A broadside is the side of a ship, or more specifically the battery of cannons on one side of a warship or their coordinated fire in naval warfare, or a measurement of a warship's maximum simultaneous
Broadside of a French 74-gun ship of the line
The English warship Mary Rose, one of the earliest warships with a broadside armament; illustration from the Anthony Roll, c. 1546
USS Iowa firing her guns broadside (July 1984). Note that intervening structures such as the bridge tower would prevent all of the guns from being focused directly forward or aft.
The firepower of a battleship demonstrated by USS Iowa (August 1984). The muzzle blasts are large enough to distort the ocean surface.
Artillery battery
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In military organizations, an artillery battery is a unit or multiple systems of artillery, mortar systems, rocket artillery, multiple rocket launchers, surface-to-surface missiles, ballistic missiles
Remains of a battery of English cannon at Youghal, County Cork
A coast battery in Crawfordsburn, County Down, Northern Ireland
French Napoleonic artillery battery. Photo taken during the 200th anniversary reenactment of the battle of Austerlitz which took place in 1805.
60-pounder battery at Arras, 1917