Intelligence, Security and Public Information CJTF SEVEN No. 3-53 ret. priority exists for this requirement. Security. Security of classified information is the normal responsibility of any commander but this responsibility must be reevaluated in Operation CASTLE where the operation 1g dealing with Atomc Energy, a development which played an important part in terminating World War II and which constitutes such importance that it has been regulated, controlled and protected by Federal law. The responsibility of each individual in properly safeguarding classified information concerning atemic energy and in preventing its compromise by careless talk or correspondence must be understood by all military ranks and civilians. General Conception. The general conception of the measures to pro- vide security is as follows: a, The ENIWETOK-BIKINI area of operations will be closed to all vessels, aircraft and personnel except those participating. Access to this area will be in accordance with regulations established by CINCPAC Serial 020. All areas within the ENIWETOK-BIKINI operational area will be designated in accordance with the degrees of security required. b. Personnel participating in the operation will be cleared for loyalty and security in accordance with the varying degrees of responsibility. ce. The ENIWETOK-BIKINI area of operations is under the general protection of CINCPAC. d, Regulations governing security published by the DOD and AEC continue to apply tomembers of JTF SEVEN. (1) AR 380-5 and SR 380~5~1 ) OPNAV Instruction 5510.1) AFR 205-1 GM Security Bulletins ) ) For appropriate units (2) Hq JT¥ SEVEN Security Memoranda) Espionage Act ) Atomic Energy Act of 1946 )} AEC-DOD classification criteria) Apply to all members of JTF SEVEN e,. Task group commanders are responsible for security training of members of their commands. All personnel will be required to pass a basic security examination, prepared and distributed by Headquarters, JTF SEVEN. f. Each basic unit, ship or detachment participating in Operation CASTLE will have an officer designated as Security Officer, whose primary duties will include security training, enforcement of security regulations and supervising the administering, aye and o8 RheeC14 C-