Concep* ci Operations CUTF SEVEN No. 3-53 ©, Factors Sigmficant to On-Site Operations a. ENIWETOK ATOLL will be the base of operations irrespective of the scope of activities at BIKINI ATOLL. b The prancipal port of entry for aircraft and the majority of shipping will remain at ENIWETOK ATOLL. Radio links with OAHU, T.H. and LOS ALAMOS, NEW MEXICO, will remain on ENIWETOK ISLAND. c. Pre-shot evacuation of joint task force elements will be conducted during certain operations at BIKINI. See paragraph 10, below. dad, One of the most critical operational factors during CASTLE will be population congestion at principal locations. In view of the anticipated conditions, task group commanders will assure that: (1) Personnel are not permitted to remain in the forward area to perform routine tasks capable of accomplishment at home stations, or fer the sole purpose of witnessing the shots. (2) Personnel are redeployed from the forward area as soon as practicable after completion of their tasks. (3) Personnel will not be based at BIKINI longer than their operational mission requires. e. Joint task force and task group headquarters will be located at ENIWETOK ATOLL, with commanders and key operations staff personnel moving to BIKINI so as to be on site two (2) days before and one (1) day after each shot. CTG 7.3 headquarters will be located on PARRY ISLAND until about one week prior to shot #1; thereafter, it will be located afloat on board the CVE unless otherwise directed by CJTF SEVEN. Administrative and logistic staffs will remain at ENIWETOK ATOLL. CJTF SEVEN, task group commanders and key opera- tions staff personnel will be located as follows: DURING BIKINI SHOTS (D-2 to D/1) CJUTF SEVEN CT 7.1 CT 7.2 CT 7.3 CTG 7.4 CTG 7.5 f. AGC AGC ENIWETOK ISLAND CVE AGC AGC AT OTHER TIMES PARRY ISLAND PARRY ISLAND ENIWETOK ISLAND PARRY ISLAND or CVE ENIWETOK ISLAND PARRY ISLAND Six (6) of the seven (7) weapons and devices will be assembled on ENIWETOK ATOLL. g. Machine shop, laboratory, photographic, warehouse and stockroom facilities will remain on PARRY and ENIWETOK ISLANDS, except limited facilities at BIKINI. h. Preliminary assembly and testing of experimental equipment and rehearsals will be done at ENIWETOK ATOLL, to the extent practicable. i. The USS CURTISS will be used as the principal shipboard facility for TG 7.1 scientific personnel and laboratory, shop and office space, Aw2