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In page Civil defense:
"In Europe, the triangle CD logo continues to be widely used. Created in 1939 by Charles Coiner of the N. W. Ayer Advertising Agency, it was used throughout World War II and the Cold War era. In the U.S., 2006 saw the retirement of the old triangle logo, to be replaced with a stylised EM (for emergency management). A reference to the old CD logo (without the red CD letters) can be seen above the eagle's head in the FEMA seal.[citation needed] The name and logo continue to be used by Hawaii State Civil Defense[1] and Guam Homeland Security/Office of Civil Defense.[2]
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