Related Clues:
- Ginger ___
- Safety signal
- Post-danger signal
- 30-Down nullifier
- Stand-down signal
- Reassuring signal
- Air raid ender
- Safe call
- "Danger has passed" signal
- Siren sound after air raid has ceased
- Siren signal for end of air raid
- Siren sound to mark end of bombing by planes
- Siren sound to signal end of air raid
- Siren signal that bombing has ended
- Nothing can be obscured, now that the raid's over