letter-writers specifically requested the recipients to avoid mentioning the fact that they had received the communications ~- a point which would indicate that some of the violations were made deliberately in disregard of existing security instructions. 10, The Commander, Joint Task Force Seven, in a letter dated 24 March 1953 to the Chief of Staff, United States Army, a copy of which was furnished to the Commission and circulated as AEC 597/12, noted the many problems involved in a censorship program and recommended that ". .. the policy of self-censorship of personal mail be continued without recourse to official censorship backed up by an intensified security indoctrination and security education and examination program." In this connection, representatives of the Commancer, Joint Task Force Seven have submitted to the Division of Security an outline of the proposed JTF-7 security indoctrination plan. Under this plan each Task Group Commander of the Joint Task Force is responsible to assure that each individual member of his Task Group 18 aware of security responsibilities inherent in his assigned duties. Along with other general security guidance in this memorandum, there is included specific instructions as to what personnel of the Task Force may and may not include in personal correspondence, The instructions further require that each member of the Task Force be given an “open book" security examination in which a score of 100% is required, Each individual will be required to re-study and re-submit his examination until a score of 100% is attained. Apart from these procedures, the regulations of the Commander require that even more detailed instructions be given to individuals who in the normal course of duty will be required to handle classified matter, -8.- Appendix "A"