(LAJ-3) to aid in collection of their water cable and land cable , samples after the shot were obtained from discussionswith Mr. G.A. Linenberger and Mr. ‘i/i.lliam Ogle in early January. VHF communication was pl~ed between the AVR!S, CVE-115, AV-5, LSM cable recovery ships and four (4) helicopters. Although this net was establishedmainlY through incorporationinto other nets, twelve (12) SCR-3001S were also provided for miscellaneoususe. Almost all of the special nets enumerated in the preceding paragraphs were undertaken by the Assistant CommunicationsOfficer (Navy), although portions of them were knotted to Army and Air Force, whereever appropriate. The establishmentof the long-haul circuits and radio telephone-teletypesystems naturally required thoroughly coordinated action by all participatingservicee. The record of the installationand operation of all the communications facilities requested by the Atomic Energy Commission as outlined in this report is contained in the Army, Navy and Air Force communications reports. Although this report concerns itself almost exclusivelywith the early planning phases, certain needs of the Atomic Energy Commission which did not arise until after commencement of the operation are described below. I It became evident soon after the main ships of the task force arrived at Eniwetok on 16 March 1948 that additional radio telephone circuits would be required between the two AVIS and the Zero Island . to be used for the first test in order to handle the large amount of ship to shore telephone traffic. Accordingly,two channels between 47 Section XI