This World War II poster, with Uncle Sam covering a soldier’s mouth, makes the point that silence means security. The Government used posters to persuade the public to support the war effort. Avoiding careless talk to keep the enemy guessing was a popular poster theme.
Silence Means Security
- 1941-1945
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Citation
This primary source comes from the Records of the Office of Government Reports.
National Archives Identifier: 515419
Full Citation: War and Conflict Number 828; 44-PA-1748; Silence Means Security; 1941-1945; World War II Posters, 1942–1945; Records of the Office of Government Reports, Record Group 44; National Archives at College Park, College Park, MD. [Online Version, https://docsteach.org/document/silence-means-security/, April 9, 2026]
Rights: Public Domain, Free of Known Copyright Restrictions. Learn more on our privacy and legal page.
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