Log Category of Documents:
Item 1: Circular #95/TC, dated 25 Apr 68, signed by Dan for Unit A40, informs subordinate units and Local 15 that effective 25 Apr 68 the cover designator of the armed security element would be Clll. Document relates that the new cover designator was not to be used in correspondence with the Postal Trans-Commo agencies. Document was further sent to Unit Tinh Son for information and to Unit HQ5 for dissemination to Unit Cl.