The Advanced Gun System, left, is intended to take on the role of the battleship’s 16-inch guns, right. Aside from its GPS-guided shell, the digital technology of the AGS’s fire control system does exactly what the USS Iowa’s Rangekeeper Mark 8 did—just with fewer people and less weight. (credit: US Navy)
We are resurfacing this feature from 2014 for your reading pleasure on this holiday weekend.
The USS Zumwalt, the latest destroyer now undergoing acceptance trials, comes with a new type of naval artillery: the Advanced Gun System (AGS). The automated AGS can fire 10 rocket-assisted, precision-guided projectiles per minute at targets over 100 miles away.
Those projectiles use GPS and inertial guidance to improve the gun’s accuracy to a 50 meter (164 feet) circle of probable error—meaning that half of its GPS-guided shells will fall within that distance from the target. But take away the fancy GPS shells, and the AGS and its digital fire control system are no more accurate than mechanical analog technology that is nearly a century old.
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Source: Ars Technica – Gears of war: When mechanical analog computers ruled the waves