HEADQUARTERS, Joint Task Force SEVEN Washington 25, D. C. 10 November 1953 Annex H to CJTF SEVEN Operation Plan No. 3.-53 NAVAL TASK GROUP SUMMARY OF TASKS (1G 7.3) The following is a summary of tasks to be accomplished by the Naval Task Group during the CASTLE on-site operational phase. 7.3 will: bys a. CTG Provide for the security of the ENIWETOK-BIKINI danger area (1) Denying entry of unauthorized vessels and aircraft into the closed area in accordance with instructions to be issued at a later date. (2) Maintaining a plot of ships and aircraft transiting the danger area, (3) Providing a capability for rapid surface movement of ground defense forces between ENIWETOK and BIKINI in the event of emergency. (4) When directed before each shot, patrol the significant sector out to 600 miles to detect, report and warn surface shipping. b. At BIKINI, operate a boat pool in accordance with Annex P, Boat Plan. Be prepared to operate the boat pool from other task force ships when the LSD is engaged in transportation of experimental weapons and devices. c. Provide an inter-atoll surface transportation system to support joint task force elements in the forward area. Annex P, Boat Plan, applies. d. Control harbor operations at ENIWETOK and BIKINI. e. Detail two (2) PBMs and required personnel to CTG 7.4 for opera- tional control, to augment the ENIWETOK-BIKINI airlift system and to provide amphibious airlift services between ENIWETOK and BIKINI when required, f£.__Provide—transportation_for-timitedair supply of weather staOAs Seat Lsh-CTS—344 Tons; F . . Provide shipboard assembly facilities for the experimental weapons and devices and limited laboratory, shop and office space for TG 7.1. > ‘y. As directed, transport the experimental weapons and devices and the necessary barges and associated personnel between and within ENIWETOK and BIKINI ATOLLS. Provide suitable escort in transit and conduct rehearsals of this activity as required, tt x. Gperate a ship-to-shore and inter-island helicopter lift system at EIKINI to support pre-shot operations and post~shot flights for damage survey and recovery of scientific data. Be prepared to assist CTG 7.4 in the conduct of this activity at ENIWETOK upon conclusion of BIKINI operations, Annex Q applies. H-1