APPENDIX "E" UNITED STATES ATOMIC ENERGY COMMISSION WASHINGTON, D. C. September 26, 1952 Major General P. W. Clarkson, USA Commander, JTF-132 léth and Constitution Avenue, 'N.W. Washington 25, D.C, Dear General Clarkson: Earlier you were acquainted by Morse Salisbury with the preliminary conclusions of a panel of the Psychological Strat Board which affect the public reporting of Operation IVY. Th Psychological Strategy Board has now acted on the Panel's rec mendations, and we have received their decisions for appropri action in a communication from the National Security Council. I am attaching a copy of the NSC communication and of the fin report of the Fanel. The Commission has approved our action in accordance wi the PSB decisions, and the Department of Defense approved the decisions through its membership in the PSB. You are request in the public information operations of JTF-132 to act in acc dance with these decisions. This of course does not affect the authority to take proper action in emergency situations a outlined in the next to final paragraph of the Commission's letter to you of August 20. The Director of Information Services is forwarding to t Public Information Officer of the Task Force and to the conce information staffs in the AEC an advisory on compliance with NSC directive. Sincerely yours, kK. E, Fields Brigadier General, USA Director of Military Application - 8- Appendix "E"