A modern destroyer is a 6000-12,000 ton warship, equipped with an array of long-range missiles, guns, and high power radars, and is designed to operate autonomously or along with a battle group in order to fulfill a variety of tasks which typically consist of land attack, missile defense, and surface warfare
Here is the world's 10 largest and most powerful destroyers in the world
https://www.youtube.com/watch?v=kNw7ad3LuMQ
