detcnations. The first group ef observers made the trip to the forward area, observed midis..: returned in seven days. As a result of unfavorable wea- ther conditions the next two shots were delayed, resulting in many of the most important observers being forced to return without witnessing detonations. To preclude these undesirable delays and to insure a fixed schedule for future flights, CJIF SEVEN, with the approval of the AEC and DOD, arranged for the cancellation of the four remaining special air mission flights and the substitution of two observer flights to depart and return on specified dates without regard to the shot schedule, SECURITY, INTELLIGENCE AND PUBLIC INFORMATION 25. SECURITY a. Security activities were conducted in accordance with applicable AEC and DOD regulations and directives. Headquarters, JTF SEVEN, published security memoranda to provide specific instructions for the task groups in such matters as personnel clearance, security indoctrination, badge identification and security couriers, These memoranda were further augmented by posters displayed in offices and public places. A movie program consisting of security talks by senior comman-~ ders and security shorts was presented in conjuntion with the recreational movie program. b. By decision of the Joint Chiefs of Staff on 1, April 1954, the provi- sions for CJIF SEVEN to report to the Commander in Chief, Pacific (CINCPAC) for movement control and general security with respect to the task force and Eniwetok toll was breadened to include Bikini Atoll, The Eniwetok~Bikini area of opera~ tions was closed to all vessels, aircraft and personnel except those participating in the operation and access to the area was controlled by the provisions of CINCPAC letter, Serial 020, dated 1 April 1952. ¢. Coordination was maintained with the Federal Bureau of Investigation (FBI); Counter Intelligence Corps (CIC), U.S. Army; Criminal Investigation Divi- sion (CID), U.S. Army; Office of Special Investigations (OSI), U.S. Air Force and Office of Naval Intelligence (ONI), U.S. Navy, in all areas in which elements of the task force operated, Security aspects for such activities as the shipment of weapons and device compcnents to and from the forward area required close -10- Copled/DOE LANL, J-Div, wi / S “