facilitieswo~d be ~uirgd for the scientificphase of the operation: (1) Telephone circuits (radio and wire) between the various shore installationsand the three pr- ships; (2) Radio intercom facilities between the offices of the Atomic Energy Commission and main staff sections of the Joint Task Force; (3) Radio teletype and coding systems to provide for transmission of .4tomicEnergy Act (AM) ‘RestrictedDatal! messages between the primary ships and between the ships and the Atomic Energy Commission installationsin the United States; (4) Technical radio nets to back up the radio telephone Systal; (5) Special radio nets required by the evacuation Radiological, Blast, Neutron and Radio Chemistry groups. On 27 October 194’7after a general briefing on the purpose and . status of the plan for the scientific phase of Operation Wandstonen bybfr. Henderson (First Assistant Scientific Director, J-Division), a trip was made to Washington, D.C., and Boston, Massachusetts,to detemine the communicationand electronic requirementsof the scientificgroups operating frcxnthese locations and to meet the JTF-? communicationsand electronics staff. The delineation of responsibiMties within this staff pruvided that the A- would supply all ground communications,the Navy all shipboard facilities and the Air Force all air/groundand point-to-pojmtcommunicationsconcerning aircraft. & 35 Section XI t