Naval presence depends partly on what a ship visibly represents. Coastguard or border-force vessels may be better suited to a local task, but a warship advertises state power through its armament and recognisable military character. A gun forward and a helicopter aft make even a modest combatant immediately legible as an instrument of the state. Governments may therefore send a warship when another service has the more practical hull for the immediate job, because naval presence is a political effect as well as a technical capability.
Notable Point · 2:44-3:42
Why a warship’s presence carries political weight
A naval presence can communicate resolve in a way that more suitable civilian or border-security craft often cannot.