Photo Tour Shows What Makes This 'Devastating' 5-Inch Weapon 'Tick' on the Destroyer USS Barry

Business Insider's Robert Johnson got to take a tour on the USS Barry recently, and of all the amenities and gadgets, what fascinated him the most was the destroyers' 5-inch, 127mm gun -- and the process it took to fire it.

He got got a first hand look at just "what makes the 5-inch weapon tick":

Loaded with an assortment of devastating rounds, the gun can pound out its 20-projectile magazine in about a minute while maintaining pinpoint accuracy via its computerized targeting.

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All that happens to make this gun so devastating may surprise you.

Here is look at a few of his photos, but be sure to check them all out here.

As a fun fact, Johnson found out the gunners on the ship have named the weapon Lucile.