ame mo . 18 APPROACH CONTROL SOP An Approach Control Standard Operating Procedure for this base was sontto the elements of Test Services Unit possessing aircraft, on 13 March. COMMUNICATIONS SECURITY On 15 March, all elements were notified that certificates, stating that communications security will be observed, was to be signed by all personnel working with commmications, These certificates were received by this headquarters and forwarded to the Commmications Security Officer, Headquarters, TG 7.4, in accordance with the provisions of TG 7.4 ” 4 if yr AACS CIRCUITRY OUTAGES ‘ Regulation 100-2. A visit to the Commmnications Element on 16 March was made to determine the cause of reported lengthy AACS circuitry outages. The findings were submitted in a memorandum to the Commander, Test Services Unit, on 17 Marche? LOAD MESSAGES ON AIRCRAFT DEPARTING ENIWETOK FOR HICKAM A survey was made on 24 March, of the composition, accuracy, handling and disposition of aircraft load messages by the 1500-3 Air Base Wing Detachment, PACD, and the handling and transmission of these messages by . the Commnications Center at Eniwetok. The result of the survey is containedin a memorandum for the Commander, Test Services unit2? 29. 30. AFWAJHD Hq TSUP Memo to Comdr Subj "AACS Circuitry Outages and Allied Problems", dtd 17 Mar 54 (TAB #24) Hq TSUP Memo to Comdr Subj "Load Msgs on Acft Departing Eniwetok for Hickam", dtd 24 Mar 54 (TAB #25)