D. S2CURITY AND INTE] LIGSNCE (1, a 8 July 1952 @ letter vas disseminated to Commanding Officer of 211 ships and units of Task Group 132.3 setting forth zuidance and recommendations concerning security risks within the Task Group. The Task Group Commander delegated the responsibility for determining security risks of personnel of the various ships and units to Commanding Officers of the personnel in question. In this connection 2¢ was pointed out that where there was reasonable ground to question the Jeouxtty and reliability of an individual within a given comand, the Commanding Officer should request his type commander to transfer the man from the Task Group ship. A substantial number of individuals, whose National Agency Checks revealed them to be unsuitable for participation in this operation, were transferred from Task Group ships by type commanders at the request of Commanding Officers. 2. Acut off date of 1 August 1952 was established for the sibmission of applications for "Q* Clearances for participation in the operational phase of IVY. This date was seleoted by CJTF 132 and by the ARC because approximately ninety days are required to comnlete backgroud inv: stigations for a "Q" Cl arance. However, all applications for *Q" Clearances for personnel who are assigned to JTF 132 subsequent to 1 August 1952 for participation in CASTIE will continue to be processed in the usual manner. 3. At the time the above cut-off date was announced, Comand ing Officers of ships and units of the Task Group were informed that 1 September would be the deadline for sutmission of National Agency Check requests. Gees e . - tt was