4wlPrr “ in the interest of econmy, cert~n dup~cations were consolidated in the joint facilities, A9 ~1 req~mmnts W were consolidated,work was begun on the prepa~tion of the Air CommunicationsPlan. The Air Force requirenmts were incorporatedinto the Joint Task Force In mew of the n~~us r~o Comunications frequencies reqpired, a~eting Plan. WaS called with representativesof the Frequency Allocation Consuitteeof the Joint CommunicationsBoard. These representativeswere Ideutenant Commander L. R. Raish, USN; *. USA, and Captain R. H. Service,USAF. J. D. Corley, Signal Corps, 1 1 I It was agreed that all frequencies above 30 nmgacycles required for the operation would be selected by the Task Force CommunicationsOfficer without reference to the Frequency Allocation Committee. It was further agreed that Mr. Corley, in conjunctionwith Lieutenant Colonel I)upree,would work out the remdning frequency assignments for those needed under 30 megacycles. All frequencieswere carefully chosen, both from the aspect of possible interferencein the operating area and with reference to ionosphericpredictions. The frequency problem involved can be appreciated from the fact that Joint Task Force req@reumts totaled 85 radio channels using 366 frequencies. Of these, the Air Force requirementswere 32 channels & 104 frequencies. Annex F, Field Otier #l, Headquarters,Joint Task Force Seven, contains a list of these channels and frequencies. Page F-IV-Tab 1, Cryptographic Appendix, shows the cryptographic systems held by the crypto-centerestablished at Headquarters,Air 116 Seetion XI I ( I I -1 ‘1