Security of War Information - Loose Lips Sink Ships

1942 - 1945



  • U.S. Navy
  • The Office of War Information
  • Federal Bureau of Investigation

The War Advertising Council's "Loose Lips Sink Ships" and "Keep it Under Your Stetson" public service ads reminding Americans of the dangers of revealing too much information are still remembered today. The campaign encouraged Americans to be discreet in their communication to prevent information from being leaked to the enemy during World War II.

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