~ AVR-63. These installationswere accomplishedby personnel of the CTJRTISSand ALEEMAl?LE. All Flannecloperationalair circuitswere tested, including the special HF voice circuit from the Ccmmander Air Forces on the MT. MCKINLEY to the Air Task Group Commander (CTG 7.4) at Kwajalein. Additional 10-channel vHF voice equipmentswere installed in the Air Operations room of the MT. MCKINLEY as standby and monitoring facilities. The Combat InformationCenter in MT. MCKINLEY, under the operational control of CommanderAir Force, acted as the primary control center for all operationalair cirouits. ~ special HFvoice com- mand oircuit to Kwajalein was controlled in the Air Operations room or fran the Commander Air Foroe living quarters. After arrival at the operating area and up to the day of the first test the volume of traffic handled increased daily. The majorl~ of thi8 traffiowa8 enorypted and of fairly high precedence due Wo the nature of the operation. Approximately one week prior to the first test, a ooamand post exercise was conducted. This exercise involved the injection of dummy messages into the communication system of the flagship, thereby slmulati,ngincoming and aatgoing traffic and testing internalmessage handling. All special ccmmunicatims were set up and operating, ready for immediate aetlvatlon one day prior to each test. A watoh was established on all radiologiml circuits in th Jolat operati~ Room. In addition, a remote position controlli~ one radiologicalcircuit SectionXI 107