2. The former Test Facilities Task Unit became J-6, since it performed essentially the same level of services as the other staff sections, J-l, J«3 and J-4, and could appropriately have the same staff status..- 3. Although final epproval for the creation of a new Task Group (7.5) was not given until March 1953°), the new organization of TG 7.1 was based on the assumption that there would be a fifth Task Group. Accordingly, the AEC (> Task Unit (TU-11 of TG 132.1) and the J-2 staff section were eliminated. The ' J-2 functions with respect to personnel security were absorbed by J=-l, and it was planned that all aspects of physical security at PPG, such as badges, access lists, fencing, guarding, couriering, etc., would be the responsibility of the new task group(©) e A new staff position, Security Liaison Officer, was created to handle general security matters which were formerly the responsibility of geo’), On 1 February, the new organization went into effect and staff appointments were announced h, (8). A listing of key personnel, as finally settled appears thus: (? ) Commander ‘ KD Deputy Cdr for UCRL Dr. Wm. E. Ogle Dr. Duane Sewell (5) 60.43, Hq JIF SEVEN, h Mar 53. - (6) Incl 2 to Memo, “Proposed Castle Organization", 13 Jan 53, File J=15480, _ filed in J-l Files. o (7) Memo 9131-U to Ogle from Smith,’ 21 July 53, Symbol ADCS-3702, OU0, J-Div files, 016.1 CASTLE. Also Ltr J~19421, 11 Aug 53 to Smith from Ogle, subj: “Your Memo Dated July 21, 1953, Symbol ADCS~3702". J=Div files 016.1 CASTLE. oo. (8) GO #2, Hq TG 7.1, 2 Feb 53. (9) Memo 5 Feb 53 to Distr. from Ogle, Subj: Staff", RSI J-Div 016.1 CASTLE