Operstion CTG 7.3 No, 10-54 (7) Take special precautions and measures to reduce the possibility of collision between TE 7.3.9.0 and any other vessel, b. Zasks of Commander Task Element 7.3.9.0. CTE 7.3.9.0 shall: (1) Assume responsibility for the security of classified RD material while it is in BELLE GROVE, (2) Employ the U.S. Marine Detachment ordered to report to CO, BELLE GROVE to safeguard the security of Station 40 and associated RD equipment, (3) Lond and off-load the special mtcrial safoly and expeditiously in accordance with schedule given in Annex A of this Operation Order. board, (4) Assume custody of the classified RD meterials as they are placed on Accountability of all AEC accountable materials will remain with a representative of the Sante Fe Operations Office, AEC (TG 7.5) who will be on board as a passenger, (5) Make emergency disposal of any or 211 component material and equip- (6) Inform CTU 7.3.9 of any such disposal mde or contemplated, (7) Inform CTU 7,3.9 of any significant developments which arise nent regardless of classification or sensitivity, under emergency conditions where the health and safcty of ships and personnel are concerned or where the national interest must be protected by such disposal, incident to transportation of the thermonuclear device and its associated equipment . (8) Transfer responsibility for security and custody of classified RD material to CTG 7.5 or his authorized representative when this materiel is offloaded from the ship, Obtain necessary receipts, c. Tasks of Cormender Task Element 7.3.9.2. CTE 7.3.9.2 shall: (1) Screen TE 7,3.9,0 during loading ond off-londing operations, during (1) This OpOrder will be made effective by amplifying message. (2) Ships shall be darkened when outside of the l-goons during darkness. sortie and entry, and when ct sea, xe 3 ONA BELLE GROVE is authorized to use such shaded lights in the vicinity of the device barge as necessary to insure personal safety of those working in or on the barge. (3) Radio silence below 270 mcs shall be meintained by 211 ships when outside of the lagoons, except to receipt, and acknowledge if directed, for . messages addressed specificially to CTU 7.3.9 or to TG 7.3, to report contact with hostile forces, to report emergency disposal of the device or associated equipment, or other emergency.e