The Firepower on the USS Howard Is Absolutely Frightening
On destroyers, such as the USS Howard, the firepower on show is astounding. One pair of rotating cannons, known as CIWS, can fire 20mm shells at a rate of 4,500 rounds a minute. From the Series: Combat Ships: Destroyers and Cruisers https://bitly.com/38n8VEG Original Author: Produced by Smithsonian Channel and published on>>>