e, Internal Task Group communications and navigational aids will be furnished from existing AACS facilities augmented as necessary to ful- fil operational requirements, Control of task force aircraft will be centered aboard the Command Ship (AGC) utilizing radar and redio facilities to be furnished by TG 7,3, An Air Operations Center (AOC) on ENIWETOK ISIAND will be responsible for air traffic control arid for the maintenance of a plotted picture of the air situation, Airborne communications and electronic aids for aircraft control will consist of the usual instelled electronics equipment, together with Mark 10 IFF transponders and interro~ ‘ gators and low frequency radio homing beacons as necessary. ’ 2. MISSION, HEADQUARTERS TASK GROUP 7,4: Prepare communications annexes to operations order as re- a, quired and supervise the installation, operation, maintenance and utiliza- tion of Task Group 7,4 communications and electronic facilities, '. - b, . Establish and supervise a transmission security training pro- gram for all intended users of voice radio facilities and a’ message drafter improvement program to insure most efficient use of limited operational camunications facilities, Be COMMUNICATIONS TASKS FOR SUBORDINATE UNITS: ae Test Support Unit: a) 7 eR IAo me a te ae Rep SesON CEEp Aree nner muteege ey ne (See Appendix 3) Provide and operate organizational and field maintenance for communications and electronics equipment installed. . in assigned aircraft, oo . (2): Provide and operate a task group radio-radar field maintenance shop for electronic equipment, This shop . . will be augmentedby qualified personnel from the Test Aircraft Unit and the Test Services Unity (3) mo \ Provide end ieintain necessary inter-commmications:and 5Y “Provide, install’ and riaintain mobile line, crash, security “of, om . . / and maintenance control. radio equipment, ~. (6) Prepare task group “telephone @irectory steneiis;”‘tn fore co mat to be designated by the consolidating and issuing , _,. “agency.(See JTF SEVENCOT 40-1) : a install, maintain and operate a modified Mark: 10 -interroatorwith hassociated Scopes in theAoc, ENIVETOK ISLAND. / (8) “Install and maintain necessary radio ami associated . 7 ao (9) equipment for the control of liaison adreraft and ‘helt , copter operations on ENIWETOK ATOLL, © oo -. 0 4 : Maintain a crystal bank for all task group eperational frequencies, . "-0). A Comunications ‘Officer assigned to the Test Support: : - Unit will be responsible to.the Senior Aircraft Con- - "ae electronic facilities in the AOC, ENIWETOKISLAND, . ooa troller for the supervision of ail communications and. RT om . pote wes oo - . . . TASK GROUP Th So : Ne . . eyoee es ~ QPRS ORDER NO. 26h. a ANNEX"ES ee, a Be tas OLNLE ;