Topic: OPSEC
20 Censorship Taboos
[US] Army Talks, Vol. III, No. 9, 17 March 1945
In order not to waste time in the actual writing of letters, knowing what you can't say is a help. Twenty taboos, based on European Theatre of Operations (ETO) circulars, should be borne in mind:
1. No details of movement to or from this theater.
2. No military armament, equipment or supplies of any type
3. No strength, efficiency, training or morale of any outfit.
4. No location, movements or engagements. This includes billets and hospitals
5. No linking APO with exact geographical locations
6. No signs used to identify organizations or their baggage
7. No plans or guesses about military operations
8. No details about enemy or Allied operations; or results of actions
9. No use of roads, transport or communications
10. No mention of individual cas ualties before families have been officially notified. This means not until 30 days after notice has gone forward from your unit
11. No detailed weather reports
12. No criticism or dirty cracks about our Allies.
13. No restricted Allied or US documents
14. No enemy papers containing information about the enemy
15. No codes, ciphers, or secret writing.
16. No games, puzzles, maps or blank paper
17. No photographs or pictures showing these forbidden subjects
18. No chain letters in any form
19. No uncensored drawings, sketches, music manu scripts, or paintings
20. No private diaries.
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