and operation of such physical security safeguards at the Pacific Proving Ground for conformance with AEC and Task Force security policies. Provide security representation for TG 7.5 elements afloat and furnish personnel in security servicing capacity for elements of TG 7.1 afloat. Maintain liaison with security personnel of Headquarters, JTF SEVEN, and other Task Groups to assure adequate coordination of matters of mutual interest. (21) Assist in the preparation and execution of security aspects of TG 7.1 documentary and technical photographic controls plans at the Pacific Proving Grounds. (22) Monitor the storage, handling, and destruction of classified materials and documents in accordance with AEC standards. (23) Function as Top Secret and Classified Reference Control Offiand as Top Secret authenticating official for SFOO-AEC interests at the Pacific Proving Ground. (24) Function as EFO Accountability Officer with responsibility for preparation of monthly SF materials balance report and for preparation of certificates of expenditures of SF materials during tests at the Pacific Proving Ground. (25) Notify CJ TF SEVEN of the current TG 7.5 clearance (except Holmes & Narver) status and furnish CJTF SEVEN,after the operation, a clearance status report of all Holmes & Narver participants, (26) Prepare the security annex to TG 7.5 field and administrative orders and assist in the preparation of the security annex to TG 7.1"s operation and administrative plans. (27) Assist other Task Groups of JTF SEVENin all other security matters when so requested. E-3 (1) In coordination with TG 7.1 ascertain and submit TG 7.5 requirements for ships, boats, and aircraft to JTF SEVEN. (2) In coordination with TG 7.1 collect and analyze total requirements for housing and'personnel transportation, submit re- quirements to JTF SEVEN and Task Groups as appropriate, and assist in solution of related problems as necessary. (3) Coordinate space utilization, including quarters, public spaces, warehouses, etc., to accommodate fluctuating requirements of various Task Groups and to assure most efficient utilization of available space.