factorily Task Force communications projects by combined service and civilian organizations, It is necessary to have each agency appoint a project officer capable of making decisions for his organization. Numerous contacts with major headquarters are necessary to insure ccordination and the project officer must continually take the initiative and act as a control point until ali details have been completed. PART II Operation CASTLE Communications Problems. A. Planning Phase. In communications planning for Operation CASTLE it was possible to use as a starting point the major communications deficiencies experienced during Operation IVY. 1. These included: Lack of a properly planned, permanently located joint relay center. 2. Duplication of cryptographic facilities, 3. Excessively long message processing times, 4. Inadequate telephone exchange and outside cable plant facilities on Eniwetok Island. 5. Insufficient number of skilled, experienced personnel. 6. Severe radio interference on the command ship, In all previous operations, the relay center had been moved from Eniwetok Island to Parry Isiand when the Task Force Headquarters was established in the forward area, This transfer of control of all administrative circuits from Eniwetok to Parry 206