ACRES 74 @ September 3, 1957 TO: General Administrative List, UCRL Livermore and Berkeley FROM: Classification Section UCRL, Livermore SU:JECT: FUTURE NUCLEAR TEST OPERATIONS BEST COPYAVAILABLE Te Division of Tlassification, JSAEC, Washington, D.C. has advised that the following guidance relatine <:o any potential full scale nuclear test operation has been approved and will be {ncorporated in a revised Eniwetok Proving, Grounds Guide: 1. FUTURE TEST OPERATIONS 1.1 GRADE RD STATUS Cc NRD*® c NRD Statement that a full-scale nuclear teat series (one or more detonations) will be held during some definite period of time expressed in terms of calendar/fiscal years, seasons, months, or with starting dates, duration of tests or termination Gates with or without association with the code word. 1.1.1 Statem:.t that a test will be held (with or without code names, nicknames or dates). OTE: Customarily future tests are 4 declassified, and announced, aa - by joint ABC-DOD action. 1.1.2 Implications only of a nuclear test series inherent in the build-up and Planning functions such as procure- ment, shipping, employment, person- nel movement and/or general support activities. U * Denotes non-Restricted Data whichrequires protection as Defense Information.

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