Place it at the start of a naval move, just before the fleet reaches its target, then follow it with Enemy Spotted once the landing begins so the sequence moves from departure to contact.
關於此聲音
This is a short 2.5-second game cue for convoy transport in Hearts of Iron IV, presented as a single compact sound from the strategy game. It feels focused and quietly tense, like a plan moving from the map into motion, and it carries the practical, military-logistics mood of sending troops across the sea.