hunter-killer
Noun
Meaning
hunter-killer (plural hunter-killers)
(military) A submarine designed to seek and destroy other vessels.
Examples
Each armor-vehicle hunter-killer teams can have as many as 15 RPG.
There would not only be sufficient numbers of escorts to securely protect convoys, they could also form hunter-killer groups (often centred on escort carriers) to aggressively hunt U-boats.
These "hunter-killer" teams of helicopters, which had been formed with the help of East German advisors, proved to be very costly for Iranians.
Victoria-class diesel-electric hunter-killer submarine The first submarines were propelled by humans.