messages and 1735 by mail, being listed on four different rosters. Duplication §m clearing amounted to about 35 per cent and was attributable to retransmissiongmesulfing from nondelivery to addressees and to the neces- sity for clearing by electrical means when the receipt of letter rosters by addressees was delayed. 3.14.8 Security Briefings By agreement, all TG 7.1 personnel were given a security briefing by TG 7.5 upon arrival at and prior to departure from the PPG. 3.14.9 Security Posters A total of 1075 different types of security posters were received from JTF 7. These posters were distributed to 20 different Task Group organizations. An additional 500 posters were placed throughout the various TG 7,1 offices in the PPG. 3.14.10 =% Security Violations A total of 35 security violations were committed by TG 7.1 personnel. The nature of the violations has been within two categories: (1) unlocked and unattended repositories, and (2) classified documents left Ioose on desk © tops, desk drawers, trays, and in one incident documents were found in a wastepaper basket. and unit The following is a breakdown of the violations by type . Unit Unlocked Repositories TG 7.1 Staff TU-1 TU-2 TU=3 TU-4 TU-5 TU-8 3.14.11 Loose Documents 5 2 3 8 1 1 TOTAL _s 1 9 5 - __ 14 Quickie Movies The determination of the necessary security measures was accomplished - 117 - om 1/4

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