- point. No damage was inflicted on personnel or equipment. cHElioKi!z: (initial BIKINI Atoll Shot) r An airdrop on the island of NAMU (CHAd.LiE)at BIKINI Atoll, detonated at OSSIM, 211%y 1956. Personnel were mustered, but not required to assemble. Lightfrom the shot was clearly visible and the explosion heard approximately seventeen minutes after the initial flash of light. TG 7.2 personnel at BIKIiiIwere mustered and evacuated to the USNS AiNbWOdTH prior to the shot. Fifteen (15) other shots were detonated between 28 Playand 22 July, consisting of barge, ground, tower and air drop ~vents, on both atolls. All shots at BIKIJ1 were larger yield shots and necessitated pre-shot evacuation of the entire BIKINI Atoll. Evacuation of the ENIWETOK area, with exception of those islands in the danger zone, was not necessa~ even when ilighyield fusion type weapons were locally detonated. However, TG 7.2 p.rsonnel were assembled for control and safety purposes during all shots on ENIWETOK Atoll that had an expected yield above that of a nominal type weapon. 2. Plans: a. Defense: The defense and general security of the Pacific Proving Ground during this pc.riodwas a responsibility delegated by the Joint Chiefs oi Staff to the Comnander-in-Chief, Pacific, who in turn, to accomplish this mission, assigned specific tasks to the Atoll Commander, E1?IWETOK. These missions were set forth in CINCPAG General Emergency Operation Plan No. 11-53. The Commander Task Group 7.2 during periods of absence &- .