They were interrupted by the shrill blast of the ship's alarm klaxon.

She heard a sharp scream cut through the alarm klaxons, then cease.

The technicians had taken cover; an alarm klaxon was blaring.

Anything else the Andorian might have said was drowned out as an alarm klaxon echoed across the bridge.

Silence stretched through the bridge, broken only by the alarm klaxon of the red alert.

The second he touched it, an alarm klaxon blared and red alert lights flashed.

The red alert didn't switch off, nor did the alarm klaxon.

Even over the howling alarm klaxon, Jim could hear the crunch of cartilage.

His ears detected the muffled din of an alarm klaxon.

S/he was awoken from a sound sleep by the alarm klaxon.