r SECTION 8 synopsis Joint Task Force Seven security requirements and the measures taken to satisfy these requirements are dealt with in this section. A basic security policy was enunciated by the AEC for Operation SANDSTONE in the summer of 1947 which subsequently was agreed to by the Joint Chiefs of Staff. In addition, rigid security requirements were imposed by the Atomic Energy Act of 1946. The tense international situation added further to the burden of responsibility for the security of the operation. w

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