Place it at the cut where the danger is first spotted, then follow it with Dun Dun Dun before the action starts. For a harsher impact, open with Metal Pipe Clang and let this alert answer it, keeping the sequence short so the warning stays the focus.
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This short clip is a clipped dispatch-style voice alert lasting just under three seconds, announcing a proximity warning on Echo One and calling for responder assist. The delivery is brisk and urgent, with the emphasis on the warning itself rather than any explanation. It creates a tense, on-edge feeling, as if an emergency call has just cut in, and it works best as a sudden jolt of seriousness.