Destroyers protect larger formations by intercepting threats while carrying weapons to strike an enemy. That combination makes the type both a defensive shield and an offensive spear. Across 134 years of development, changing technology has altered how destroyers perform those jobs. The same dual requirement links the earliest torpedo-boat destroyers to modern air-defence and land-attack combatants.
Chapter · 0:00-1:14
Destroyers remain both shield and spear
The destroyer's persistent dual mission is to stop threats before they reach the fleet and carry enough striking power to attack in its own right.