public places -- or even among other JTF SEVEN wives.
Your wife,
your family will understand that apparently harmless information
could be used against our nation's best interests.
12, PERSONAL CORRESPONDENCE,
a. Classified
information is properly transmitted as
official correspondence.
Official channels are designed
to protect that information according to the classification
assigned to the correspondence.
By particularly careful
of what you write in your personal letters.
Do not write
about JTF SEVEN operations or atomic energy technical data.
To help you recognize prohibited topics, here are a few
examples:
TOPICS RELATING TO JTF SEVEN ACTIVITIES
' PROHIBITED IN PERSONAL LETTERS
Code name of operation
Personnel strength and detailed organization
Location of buildings, facilities,
airfields
Types of numbers of vessels
Types of numbers of aircraft
Types of numbers of. equipment
power plants, docks,
Time of beginning or end of test series
Number and time
(date) of shots in test series
That you saw a shot
Detailed movements within forward operational area
Any preparaticns for tests
Any dates of scheduled tests
Anything observed about tests
Anything heard about tests
Anything done
in connection with tests
Any test results
Presence or visits of official observers
Any information about security violations
Any informaticn about security safeguards
b. Here are some examples of what you may write in your
personal letters as long as there is no reference to the
preceding prohibited topics:
Your health and welfare
Recreation and sports activities
General remarks about the weather
Food and billets
Where you are located (Eniwetok or Bikini Atoll, Marshall
Islands )
Associates and friends
Club or church activities
Other matters of a personal nature
ce. Write each letter with the thought:
“Does this
letter say anything my security officer would not pass?"
The list of prohibited topics gives only a few items that
may not be discussed in personal correspondence.
If you
have any doubts, consult your security officer.
In addition
to keeping your letters personal, ask your correspondents
not to give publicity to your letters, particularly not to
give them to the press for publication.
(= O23 cere
Annex "C" to
Appendix "B"
1