late in Farch 1958, and the problem vas considered resolved soon afterian. Airlift and Jeland Re-Supply. Aircraft requirenents for airlift and weather island re-supply were set forth in the Air Force book message of 11 October. Five C-54 aircraft, plus the three photography C~54's of Test Services Unit to provide back-up, would be available for inter-atoll and weather island re-supply eirlift; and seven SA-16's serving a primary fimotion as search and resove aircraft, would also be available for resupply services, Eight 1-20's and fifteen helicopters were to furnish inter~laland airlift at the two atolls. The helioopter aircraft began airlift support operations in the groving ground in mid~1957. By 1 October 1957, three H-19's were in use at Bikini, and one H-19 and seven H-2] efrereft were operating at Eniwetok. The helicopter force vas augnented begiming in January 1958 so that, by 14 March, six H-19's and nine H-2l's vere available. The three B-19 air~ craft at Bikini were replace late in January 1958 by a Marine helicopter squadron, and the H-19's were transferred to support the Fniwetok Atoll airlift requirements. Early in October 1957, Task Group 7.4 learned thet the airstrip at Nauru (a newly-added veather island) might be unsuitable for C-54 opera~ tionbecause of a lack of rehabilitation. This possibility caused the group to consider the retention of a C-47 at Eniwetok far re~supply pur- poses. Because Holmes and Narver (Task Group 7.5) had experienced

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