ATION Since all know violations in letter writing cocurred anong Naval personel, it has been eoncluded by those most closely associated with the probles that these personne] may not have been adequately instructed as to what information they could or sould not divulge. eee Tenodiod by improving the security instruction at Whether or not mail censorship is applied, the news value of security information which might be released through personal letters can be considerably reduced and rendered unsensstional through properly timed and worded joint press releases by the AEC-DOD. Cenclusions: it de concluded, (1) that mail censorship for all personnel cannot feasibly be ihe AU na uly Ab A) Peo! AVAILABLE COPY enforced during the CASTLE Operation; (2) that imposing mail eensorship on enly one group ef personne] Stood. Le AAS would be discriminatory and might cause leaks to be attributed erroneously to the group whose letters were not censored; ) (3) that an improved security education progrem should be undertaken to instruct al] personnel participating in CASTLE; f hatin ine hype .; [eee eeseek ee ere ee test will be held, a short statement released after each (hot, and another general statement made upon completion the test, 4Ae7 ba aha hae om + | a ane OW: ' t , ’ 2 ' s a ' 1 t 4 ‘ ‘ ' ' 1’ t ' : ‘‘ ' ‘ 4 ‘ ‘ ' ‘ ‘ '‘‘ 4 t ’ 1 4 ‘4 + + t ’ 1 i 4 ' ' + 1 4 ‘ ' ' ' ’ ' ' 4 ‘ ‘ ' ' t ' ‘ ‘ ‘ ' ae “——“Hes \. AVY ye @ be on r t Captain, USi ‘ t ‘ ' t i . {_ Williem L. Guthrie ‘ ' ‘ ' ' a DMA Files fy} ' LA: DMA Reader Vif 7 a 3A: Addressee - Jf huts. TG Reader U NIN 7Sogou . ; t GREENBERG: bm 1A: 2h: ee / 4 Historian’s Gfiice ARCHIVES Tnat the conclusions above be accepted as the DMA position on censorship to be used in assisting the Division of Security in preparing ® staff paper for formal Commission eonsideration. tions: ae ee \" , pu | He, tut Arestdev De. Ll a yy Department of Energy + ’ ' 1 yd (wid dni (4) that a news release should be made areasonable time prior