Operations Order No. 1-54, Operation Castle (Attach; Annexes a Thru X)

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in the forwardarea. The con 8 are in placeand operational hcduleof Events), The goal of this e, thoroughpreparationfor the first specificdirectiveto all unitsfor ba-wctions will be issuedby the Tost Units. This ordersupcontrolfacilitiesaboardthe CoznzandShip and the Control Destroyerduringthe full scalerehearsaland duringcertain To conducta full scaleair rohcarsal,on 22 February1954,preparatoryto the firstCASTLE(CONFIDENTIAL)operation,and to porform

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sampling raissions duringthe reh*mrsal.(SetAnnexesG, Provideono (1) D-47aircraftfor an offoctsrzissionduring Integratethe operationsof three (3)D-50 aircraftinto Augmnt the fieldnaintcnancefacilitiesof tho Test Providofor completecam, storageand issueof personal equipmentto all air crewsof the TestAircraftUnit. Preparethe marshallingplan for all aircraftwhichwill possibilityof conflictin aircraftdepartureand arrival scheduleson both rehearsaldays, AOC and CIC for operationalcontrolthroughouttho training lint servicesthroughoutthe tmining poriod. (See Providenecessarywathor briefingsand mathor reportsto the CIC and AOC throughouttho trainingporiod. Augncnttho fieldnaintcnmcofzciliticsof tho Test Support Unit as rcquircd. SorvicosUnit aircraftcrc mrshallcd as requiredby that Providefor conplctocore,storageand issueof personal cquipncntto 211 air crewsof tho Test ScrviccsUnit.

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c. Test Support Unit: Assure that transient traffic and airlift operations do not interfere with or endanger test aircraft operations during the training period. (See Annex A). Provide two (2) C-47 aircraft for VRFrelay for the rehearsal and other test missions as required. (See Annex Establish required measures to prevent movementof vehicles from interfering with or endangering air operations throughout the training period. Provide adequate crash removal and fire fighting protection for all air operations during the training period. Place one (1) H-19 helicopter and one (1) AVRcrash boat under the operational control of the AOCfor SARalert Assure adequate refueling and field maintenance support for sll aircraft during the training period. Provide photographic coverage during phases of the training period, for historical purposes. In coordination with other Test Units, assure adequate transportation schedules from the flight line to the dining halls and billeting areas throughout the trainCoordinate with Test Aircraft Unit to assure that C-47 reflector aircraft are marshalled as required by that unit. Provide for aircraft decontamination trnining. Provide liaison officers to assist Headquarters TG 7.4 aircraft controllers in the AOC, on the CommandShip and Control Destroyer as required. (See Annex K,Aircraft Control, TG 7.4 Operations Order 1-53). Coordinate with Test Services Support to arrange required early dining schedules, in-flight lunches, transportation, Adhere to security procedures as outlined in Annex G, Security and Public Information, TG 7.4 Operations Order Emphasise the Flight Safety Program outlined in Annex L, Flight Safety, TG 7.4 Operations Order No. l-53 and other Be prepared to augment existing SAR facilities in emergencies during the i training period. Be-prepared to postpone execution of the mission for such periods as are made necessary by adverse weather or other

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(7) Assure proper reportingof radiationencounteredby 5, FQHAND AND SIGNAL YATTERS: (1) Task Group 7.4 USS ESTES (AGC-12) See paies 6 and 7 OPRS ORDER NO. l-54 4

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Mission Execution Chart H-HourPositions and Flight Patterns Control RB-36 Flight Procedures F-84 Sampler Flight Procedures B-36 Effects Flight Procedures B-47 Effects Flight Procedures C-54 Photo Flight Procedures G47 Relay Flight Procedures Observer Aircraft Flight Procedures Sample Recovery Procedures Control Destroyer Procedures Aircraft Abort Criteria Multi-Engine Aircraft Rad Safe Reporting Code

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TWO (2)VB-~~~S,stmt of 12 hour dailywoathcrroconnaissancoflights, Tho B-47 offoctsaircraftpracticeruns in Bikiniareain coordination missionon 10 Fobruaryin Bikiniproa. Mroctor of Hatorioland DoputyCommdor visitall landingsitesand Dotomino mod for RadarRoflcctor-aftercomxmdorsdecisionnotify Constructionin buildings632, 607, 608 and 6Q9 conplotcd. nissionin coordinationwith CIC, Bikiniarca. RB-36pro-crrttor 1300. Conforoncowith Tost Supportl&it pcrsonuclto dctmninc require-.

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Dot Photos. Thrco C-54’s positioning prccticc runs in coordination with USSESTES, CIC, Bikini aroc. B-36D 2nd L47 offocts nircmft przcticc positioning runs csing the CIC, 1000. Critiquo of scnpling raission of tho 10th. sapling mission ,01112 Fcbruzry. Deputy Comxmdor visits Pomp0 end Kusaio. D&amino fron JTF 7 ovccuation &lift roquironcnts fron Wdni for the 10 dcy period prior to tho first sh6t. ’ First plmning mating with RAF. c0np10to Pilot’s Hmdbook of Instructions and distribute. Positioning conforcnco, 7.1 md 7.4 discuss rostib c;f nission on roviow schedule of cvcnts cmd roostablish schcdulo of cvcnts for third wcok of Fobruzry. Showdowninspection of ontiro Tcsk Group 7.4 shape, ?mg??rs ad crows with aircr-.ft cud itcns of porsoml oquipnm. , Publish third wook of Fobrufsy Schadulo of Events. 1000. Sanpling nission critique to include CIC Controllor:s. Thi: Director of ttitcriol: hocrscl comitacnt and dovolop overall pl”.n to in8Uro coordinctod offort on 16 Fobrumy. or outstrnding TOC’s involving s&&y of flight.

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Conductsinspectionof all fi movd activities* Obtainsfuel requirementsfor rehearsaland coordinateerefuelingplan with all concerned. Reviewmaintenancestatusof all aircraftand determinesmaintenance prioritiesfor preparationof all iarcraftfor rehearsal. All IFF recalibrated. The Directorof Materielwill reviewmaintenanceplan of all activitiesfor meetingfirstrehearsalcommitmentand developoverallplanto insure Make physicalcheckof all aircraftform1 for any deferredmaintenanceor fuelrequirementsfor rehearsaland coordinatesrefuelingplan with maintenancestatusof all eircraftand determinemaintenancepriorities for preparationof all nircrsftfor rehearsal. Conductinspectionof all fire fightingand crashremovalactivities. The Directorof Materielwill reviewmaintenanceplan of all activitiesfor meetingfirstrehearsalcomitmentand developoverallplan to insure Make physicalcheckof ell aircraftforms1 for any deferredmaintenanceor Conductinspectionof all fire fightingaud crashremovalactivities. Obtainfuel requirementsfor rehearsnland coordinaterefuelingplan with Reviewmaintenancestatusof all aircraftand determinemaintenancepriorities for preparationof all aircraftfor rehearsal.

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Directorof Msterielwill reviewall supplydeficienciesand initiate appropriateactionto expeditereceiptof requireditemspriorto 27 FebConductinsuectionof flyawaykits,flightline shop and dock stocksof expendableitemsand aircraftclassesin base supplywarehouses. Spot checkmemorandumreceiptaccountsof all responsibleofficers. 1300. 7.4 Staffand Unit Commanders'staffmeeting. Reviewprogress report,.reviewaccomplishmentson scheduleof eventsand establish scheduleof eventsfor fourthweek of February.Critiqueon checkof fire and explosionregulation. Directorof Materielwill reviewall propertyexcessesand take appropriateactionto disposeof samepriorto 1 March1954. Recalibrateall IFF sets. Publishscheduleof eventsfor fourthweek of February. The Directorof Materielwill reviewmaintenanceplan of all activities for meetingfirstrehearsalcommitmentend developoverallplan to insure Make physicalcheckof all aircraftforms1 for any deferredmaintenance Conductinspectionof all fire fightingand crashremovalactivities. Obtainfuel requirementsfor rehearsaland coordinatesrefuelingplan with all concerned. Reviewmaintenancestatueof all airoraftand determinesmaintenance prioritiesfor preparationof all aircraftfor rehearsal.

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Aircraftfly shorttesthop to insureoperationalavailabilityfor dress The Direotorof Materielreviewsmaintenanceplan of all activitiesfor meetingfirstrehearsalcommitmentand developoverallplan to insure Make physicalcheckof all aircraftforms1 for any deferredmaintenance Conductsinspectionof all fire fightingand crashremovalactivities. with all aoncerned. Reviewsmaintenancestatusof all &craft and determinesmaintenance prioritiesfor preparationof all aircraftfor rehearsal. Directorof Personnelwill resurveyundesirablesand take appropriate 1300. 7.4 Staffand Unit Commandersmeeting. Reviewprogressreport, reviewscheduleof eventsaccomplishmentsand affirmsoheduleof eventsfor firstweek of March.

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The Directorof Materielwill reviewmaintenanceplanfor all aotivities for-meetingfirstshotcommitmentand developoverallplan to insure for sny deferredmaintenanceon outstandingTOC'sinvolvingsafetyof Conductsinspectionof all firefightirgandcrashremovalaotivities. Obtainsfuelrequirementsfor D-l and coordinatesreducingplan with all Reviewsmaintenancestatusof all aircraftand determinesmaintenance Closethe airfieldto all aircraftexceptauthorizedtraffic.

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1. H-Hourpositionsof all airborneaircraftrelativeto Ground routerequirementsfor all airborneaircraftare designatedin Appendix 3. Flightpatternsfor aircraftairborneat H-Hourin the shotarea are designatedin the followingappendicies:

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AIRCRAFT m AZIMUTH JTJ m m ROUTE 10 NM X 1800 Tail 257K 33 Direct to Orbit Position 15 NM x 225O Tail 230K 34 Direct to Orbit Position Surveyproceed to Ccmand Ship to arrive at H-1:50 2700 Orbit 2lOK 10 Direct to Orbit Position Direct to Orbit Position Direct to Orbit Position Direct to Orbit Position Direct to Orbit Position Direct to Orbit Position Direct to Orbit Position Direct b Orbit Position Direct to Orbit Pootiton OPRS ORDER NO l-54

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whichwill be responsiblefor distributionof messagesto its subordinateunits. For haudlingof teletypetraffic,up to and lnoludiug (4) ENIWETOKCLOSALAMX: One fullduplexradioteletype necessaryto meet AEC requirementa and, in addition,terminalcomunicac clearedfor conversationsup to and includingSECRETwill be made available to the Task Groupby the Joint .TaskForoe..

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be furnished from existing AACS facilities augmentea as necessary to fulfil operational requirements. Control of task force aircraft will be to be furnished by To 7.3. An Air Operations Centex (AOC) on ENIUETOK ISLANDwill be responsible for air traffic control and for the maintenance of a plotted picture of the air situation. AMor& comnunications and ti electronic aids for aircraft Control‘. wffl consist of the usual instslled electronics equips& together with Mark 10 3FF transponders and iuterrogators and low frequency radio homing beacons as necessary. a. Prepare communications annexes to operations order as required and supervise the installation, operation, maintenance and utilization of Task Group 7.4 ccmunications and electronic faoilities. b. Establish aud supervise a transmission security training program for all intended users of voice radio facilities and a’message drafter improvement program to insure most efficient use of limited opera- ’ tional communications facilities. (See Appendix 3) Provide and operate organizational and field maintenance for communications and electronics equipnent installed in assigned aircraft. Provide and operate a task group radio-radar field maintenance shop for slectronic equipment. This shop will be augmented by qualified personnel from the Test Aircraft Unit and the Test Services Unit. Provide and maintain necessary inter-communications and public address systems. Provide, install and maintain mobile line, crash, security and maintenance‘control radio equipment. Prepare task group telephone directory stencils, in format to be designated by the consolidating and issuing Install, maintain and operate a modified Mark 10 interrogator with associated scopes in the AOC, ENIWETOKISLAM). Install and maintain necessary radio and associated equipment for the control of liaison aircraft and helicopter operations on ENIWEXOKATOLL. Maintain a crystal benk for all task group operational I A Comuuications Officer assigned ,to the Test Support Unit will be responsible to the Senior Aircraft Controller for the supervision of all comuuications and I electronic facilities in the, AOC, ENIWETOK ISLANB.

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electronicsfacilitiesiu assignedaircraftto provide: (d) Radarfor navigationand positioning.. (8) Identificationfor controlaud positioning. equipmentwill bs installedas follows: junctionwithinstalledradars and suitablescopes for presentationof IFF returns. end electronicequipmentinstalledin assignedaircraft and provideaugmentationfor fieldmaintenanceto the (1) Provideairwaysand air communicationsservicein sup cuit,one (1) channelto bs remted to tho Joint

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voicenet for aircraftmovementcontroland weather. high frequemy radioCW net for collectionof weatherdcta and weatherislandadministration. circuitbetweenKNIWETOKand the COMMANDSHIP, One channelto be remotedto the JointComunicotions be remotedto the WeatherCentralENIW!K. Operate for usesin the AOC on EI?IWKTOKISLhND. CIC cboardthe Comand Ship, (3) Install,mint&n and operatethe applicablefacilities as listedin the kdio FacilityCha..ts,Pacific. (4) In additionto the facilitiesreferredto in subparationwill be instzlled,maintainedend operated: (c) Radiohoming beaconon ROPGERIK,

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(b) One (1) simplexterminalin the weathercentral for keyingand modulationwire lineson ENIWETOXISLAND, Completemaintenanceof all groundequipmentoperated w the Tes! ServicesUnit will be performedby thatunit. and augmentthe Test SupportUnitfor fieldmaintenance Furnishnecessaryair trafficcontrolpersonnelfor an approachcontrolfacilityin the ENIWETCXAOC. equippedwith the AX/APX-6transponder.In addition, operatingin conjunctionwith the Installedradar, facilitytc provideemergencyproductionof crystalsfor all elementsof the txk force. However,everyeffortwill be made to procurerequired crystalsthroughestablishedsupplychannelspriorto commencementof the c. Taskunit ccmmandersare responsiblefor the suppressionof and will takenecessaryactionto reducesuchnoisesto a pointof noncuitsand navigationalaidsavailableto all elementsof Task Group7.4, togetherwith frequenciesassigned,hoursof operationand otherpertinent e. A list of frequenciesauthorizedfor use by all elements

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Hours of Operation: Man, Ued, Thur, Fri: 0600 - 240011 Search and Rescue (TG 7.3 Operates) 136.44 mcs Eniwetokand Wdni Control OperatescontinuouslyrrhenDDE is on Station OPRS ORDER NO. l-54

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Bikini Homing Beacon (BI) Note: If at shottimetheantennaand/orequipment the USS Curtisswill have a radiohcmingbeacon ming periodsof TaskCroup7.4 rehearsals. Any timb F-84 aoft are flyingotherthan in Raconson Eniwetokcud Enyu Islandswill operate

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AACS Commmications Centers: EMTION Two AGC 2 Inter Island CW Weather Net

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The purposeof thisappendixis to set forththe mission,funojectto constantinterceptfrom fixedlandpositionsor possiblyfrom is approvedfor transmissionof classifiedinfOIYU8tiOnin the clear. c, All TOP SECRETand RESTRICTEDDATA trafficwill be enciphered e. All messagesfor transmissionto addresseesoutsidethe Emergencytrafficwhichcannotbe deliveredto the Joint Othertrafficas directedby Comm8nder,JTF SEVEN. f. Radioteletypefacilitieswill be used in lieu of voiceradio h. No coveror deceptionplan is to be employedexceptfor decep tion offeredby the rehearsalsand for suchtrafficsecurity8s is provided by the use of SIGTOT-SAMPSONequipmenton FWT circuits.

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as requiredfor accomplishmentof his mission. is not beingused by all services,the old phoneticalphabet(ABLE,BAKER, a. Communicationsohannelsof Task Group7.4 in the forwardarea will be monitoredby communicationssecuritypersonnelof JointTaskForce SEVEN. Theywill analyzemessagesto detectviolationsof security,to determinethe amountof informationof an intelligencevaluebeingmade a. Connnandersare responsiblethat communicationssecurityis observedat all times. dangerof compromiseof classifiedinformation. The followingfunctions are necessaryto establishan acceptabledegreeof communicationssecurity: (2) Indoctrinationsof all personnelin the need for Commun- (3) Operationof all colmnunicationsfacilitiesin accordance siblefor the supervisionand coordinationof oommunicationssecuritymatd, It is mandatorythat classifiedmattersnot be discussedover cuitswill be held responsiblefor securityviolations. a, Eachmessagewrittenfor electricaltransmissionwill be olassifiedaccordingto its contents. missionof messagesup to and includingSECRET. d. A messagedraftersimprovementprogramwill be placedin effectby all unitsof Task Group7.4,with speoialemphasison the fol-

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a. In the goneof Interior,no classifiedinformationwill be b. In the forwardareawire telephonefacilitiesclearedfor conversationsup to and includingSECRETwill be availableat: serviceto otherislandsof WIWETCK ATCLL) to otherislaudsof ENIWETOKATOLL) will-belimitedto unclassifiedconversationsand messagetrafficwhen such facilitiesare in use. TELEPHONEOPERATORSWILLIRF0RMTELEPRONKUSKRSIN mittediu plain language over telephonecircuits,eitherwire or radiorefor the guidanceof all personneland for oompliauoeby thosepersonnel phonewill be as shortend conciseas possibleconsist cut with clearness.Sincepersonnelotherthan trained all personnelmust be cautionedthat transmissionsby radiotelephoneare subjectto enemy interceptionand thereforehave no security.

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Adherence to proscribed vooedure is mandatory. un-* authorieed departures from or vqiations in preacribd procedure iuvariably create copfusion, reduce reliability and speed, tend to nullify security precautions, and are prohibited. If the procedure prescribed herein does not cover a speoific operating requirement, resorting to initiative and comon sense should suffice. The following basic rules are essential ‘to trsnsmission security and shall be strictly enforced on all radio- (a) Ro transmission shall be made which has not been authorized by proper authority. following practices are specifically forbidden: Violation of radio silence. Unofficial conversation between operators. Excessive tuuing and testing. Transmitting the operator’s personal sign or Unauthorized use of plaiti language in place of applicable prowords or operating signals. Use of other than authorized prowords. &autharimduse of plain language. Linkage or ccmprcmise of classified cell signs end address groups w’ plain language disclsures or association with unclassified call Profane, indecent or obscene language* following prsctieea are to be avoidd: Use of excessive transmitting power. 1. 'Excessivetime consumed in tuuing, changing ‘frequency, or adjusting equipment. 2. Transmitting at speeds beyond the capabilities of receiving operators. (1) Whennecessary to identify any letter of the alphabet, the phonetic alphabet listed below shall be used: Letter. . Scoken as Letter Spoken as

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Letter Suoken as Letter Suoken as (2) Difficult wotis or groups within the text of plain text messages may be spelled using the phonetic alphabet and preceded by the proword “1 SFTZL.” If the operator ten pronounce the word to be spelled, he will do so before and after the spelling to identify the word. (3) Where a text is composed of pronounceable words, they will be spoken as such. Where a text is encrypted, the groups, even though occasionally pronounceable, are:to vidual letters and without using the proword “I Sm.” (1) To distingui hs nuziorclo from words similarly pronounoed, the proword wFIGURESwmay be used preceding such numbers. lowing rules for their pronunciation will be observed. Nmeral Suoken as Numeral Suoke: as -- Prowords are pronounceable words or phrases which have been assigned meanings for the purpose of expediting message handling on circuits where radiotelephone procedure is employed. In no case shall a proword or a combination of prowordsbe substituted by the ,operator for the textual camponent of a message. The following prowords are authorized for general use. ALL AFTER- - A - The portion of the message to which The portion of the message to which all that which precedes . I have reference is I have reference is An error has been made in this transni?sion. Transmission will continue tith the last word correctly transAn error has been made in this trtlnanlissiotl (or Message indicated). The correct version is . That’ which follows is a corrected version in answer to your request

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DISREGARDWIS --This transmission is in error. Disregard it. This proWOIYI shall not be used to cancel any message that ha8 beea oompletely transmitted and for which receipt or acknowledgement haa been received. Nmerals or numbers follow. The following is my response to your instructions to I am repeating transmission or portion indicated. I shall spell the next word phoietically. That which follows has been verified at your request and is repeated. To be used only as a reply to VERIFY. This is the end of my transmission to you and no 8nswer is required or expected. This is the end of …