Thunderbolt siren in Madison, Wisconsin (C) Ben Hinrichs 2005-12-03 00:01 Sulfur 1200×800×8 (324064 bytes) Copyright © 2005 ~~~ An example of a civil defense siren...
Federal Signal SD-10 Civil defense siren, Springfield, Illinois, 2006. By Robert Lawton (self) This file is licensed under the Creative Commons Attribution-Share...
Alertronic High Powered Voice Siren, Civil defense, O'Fallon, Illinois, 2006. Robert Lawton (self) High powered voice and siren tone with 360 degree continuous...
DescriptionNorthacres civil defense siren.jpg English: Photograph of a Civil Defense siren taken at Northacres Park in Seattle, WA Date 12 June 2008 Source...
DescriptionPhinney Ridge civil defense siren.jpg English: Civil defense siren in the Phinney Ridge neighborhood of Seattle, WA. As Seattle is devoid of...
DescriptionCivil Defense Siren - panoramio.jpg Civil Defense Siren Date Taken on 26 April 2014 Source https://web.archive.org/web/20161028202240/http://www...
|Description=It's a picture of a [[Federal Signal]] EOWS 612 [[Civil defense siren|siren]] located in [[Irving, Texas]]. |Source=self-made |Date=[[April...
DescriptionKäpylä civil defense siren 01.jpg English: Käpylä civil defense siren in Helsinki Suomi: Käpylän väestöhälytin Helsingissä Date 15 September...
DescriptionFennimore Civil Defense Siren - panoramio.jpg Fennimore Civil Defense Siren Date Taken on 3 October 2013 Source https://web.archive...
DescriptionMadison Civil Defense Siren - panoramio.jpg English: Madison Civil Defense Siren Date Taken on 17 August 2013 Source https://web.archive...
