} REPORT OF GR~ SIGIJ~LCOMMUNICATIONSON OPERATION SANDSTONE BY October 1%7 cefia~ rewi~-ts h@-d hen deffi~tel? decided upon, and it wea desired that the constructionnecessary for the establishment of basic components of the eventuel communicationsfecility be co~nced at Enivetok. The fimt constxwctionto be undertdom et Eni- wetok would be the setting-upof equipment, antennas, communication center snd crypto center for the operation of e redio teletype circuit to Oshu; the Installationof switchboardsend instrumentsfor telephone service on the islend of Enlwetok and the setting-upof two (2) Cll cir. cults to Kwajaleln,one of which was for lhvyuse emd the other which wes for J& Fcmce use. A temporary M@RO (radio telephone) cirouit to Bngebi Island was needed until the major M@!RO facility could be Ectiv. eted. Tha Air Force desirad Immediate activation of tower control fac- ilities (MCS) at the Eniwetok eirfield. Interim ccmmunic?tionswonld be needed for the initial constructionforces of the Task Force on errlral in late November. Thereafter, the remaining construction required for installationof the fill ccsmmnicationsystem for this oparetionwee to ~oceed rapidly inwhstever order clrcumstenceaend later develop ments dictated. Colonel Carl E.Eeteh, Signel Corps, USA, concieved an advence signel construction and operation detschmsnt to eccompliahthese plsns end went forward to the headquarters,U.S. &myPacific, billty. Bythe date of Ma Joint T8skFcmve, ordered W arrlvel on M October 1947, the Oommender, kglstic support for the cperetion frm 49 Section XI to investigateits fessi- !