caused by the abnormal ionospheric characteristics prevalent during the period of the vernal equinox, and it was not until after 1 April 1948 that satisfactory communications were maintained by the use of predicted frequencies. g- Air Transportation. The Air Force and the Navy were given the responsibility for air transportation of personnel, supplies and equipment in the operatione The Air Transport Command (ATC) and the Naval Air Transport Service (NATS) were in turn designated by the above mentioned services to perform this mission. Both the Air Transport Command and Naval Air Transport Service had participated in Operation CROSSROADS and were in a position to make recommendations eoncerning the problem involved. After considerable discussion, it was agreed that no special unit should be established to handle the operation, but bath of the services would absorb the additional load by augmenting their regular schedule. Naval Air Transport Service would move naval personnel and equipment involved in the operation and assist Air Transport Comnand should backlogs develop. The Air Transport Command, using its subcomnand, the Air Transport Service (ATS), was to transport all other persomel and equipment. Under this policy, the Naval Air Transport Service then operated on a normal space available basis. Requests for monthly allocations of Air Transport Command airlift for the remainder of the operation were submitted each month to Headquarters, United States Air Force. Airlift allocations requested up to and including the month of January were considerably under-subsoribed because of excellent water shipping facilities available. However, during February, March, and April, the allocations were slightly over-shipped as a result of a large number of SectiongmEIT_ 34

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