How did destroyer screens protect battleship fleets from torpedoes?

Destroyer screens protected battleship fleets from torpedoes by evolving alongside the threats they were designed to counter. Initially, in the 1890s, these vessels were developed specifically as "torpedo-boat destroyers" to intercept and neutralize small, fast torpedo boats before they could reach the capital ships. By deploying ahead of the battle fleet, destroyers used their superior speed and cannon fire to scout for and beat back enemy surface craft.12

As the primary threat shifted from surface torpedo boats to submarines, the role of the destroyer screen adapted accordingly. During the world wars, destroyers were equipped with hydrophones and depth charges to detect and destroy submerged threats. In this tactical environment, the screen acted as a protective perimeter, engaging in a constant game of "hide-and-seek" to localize and neutralize submarines before they could close in on the fleet. By the mid-20th century, the integration of radar further enhanced these defensive capabilities, allowing destroyers to maintain effective screens against both surface and underwater attacks.1234