_... .. • 

REF ID:A66703 - -

" .. 1- I •• Jo...._ -- ' . ;,___r 

.~. 

, 

~I .. I 

I . 

.. -

1. .IS•l4 .AS-22 30 .lug IP tilltary Occupational Speeialt7 Job Specit1cat1on• 

{' 

le C_op1ea of apec1t1cationa tar the tol.low1.ztg Pd.litary occupational apec!alt1ee, prep&red b;r lll"gan!sation and Train11lg Seetion, st.a...~, have been .turniahed 

1.ntormall7 to Iii-. Bhoad s to be used tor comparison in the dratting ot standard Job 

daacriptions f'or Civil ... q_~~~e -~obs •hl~ll .n peculiar to the Apncya 

a. ~visions ot existil'JG military occupational si;e~-~~~-e~_s - -:---- ------ ~ 

~ 

~nnTI. . . - . ~f' .. ~ . ; ; '.' 

~o~5-; · RSdio Intelllge~e Officer '2.40 Com:nunie~tiQn Securit1 Officer ~ C%'1Ptanalytic Ofticer ~l. CJ.'yptographic .Production and Distribution Otticer ~ Cryptanalytic otricer, Translations 96o' Tratrte Ana.l.J"ais Otticar 

9606 Cryptographic !!qulpient liaintena.nee and Repair Of.fleer (De~ignated Ec;.uipnant) , _ ~ ~ •• I • -tf "' 

, . 

J:3S Ip:wr1e9t Operator, Radiotelephone 

···'iQ.9 Tnllic ~t 

~ tiitercapt Operator, R•diotelegraph IOl.~ Qnpt.ographic Repairman (Designa.ted Jlt1dpnent) ~ Compiler, Cryptographic S,-stems 

li'S ~qtic Teohnician 

·- ---- -

. J .. ·· .. : ,,:;wt 

.. ·t~· ... .'J~t . ,. 

(lfoter Ille TM•a l2•406 and 12•427 ~or present descriptions of the above apecial• 

ne1) 

b. Proposed new :mllitary oecupationa.l apecialties: 

Plf ICER 

bTq' See\U'iV otticer, General 

,..-z.., - ... ' I 

,_ Electronic Crypto-Meeha.nia Of'ticer (Designated Equipment) 

- '11.'I.• ......... ..&' ... -

... .. , ... .-___. .. 

- Blectronic Crypto-!!echaniam Attendant (Daeignated !'.qu1paen1;) ... Intercept Operator_ Ion-Moree 

- Cryp~ana~!o ~la\or 

1 

eclassifi ed and a roved for release b NSA on 04-18 2014 ursuantto E .0. 1352 

• r•~.--.-

: .. -.-=.., 
- -REF ID:A66703 

" 

l. .lS•l.4 d•22 30 Aug 46 m.11. tal7 Ocnpational Spec1alt7 Jeb lpeeitiaatiau (Cont. •d) 

•• Other aUJ.tary ooeupa.tional •peoialtiea 1D whieh thia .Agene;r 1• intenat.etl, 

but tor whioh no rnieed job •pecitlcatiou haft 'beeSl prepared to date, ares 

cm1 cm 12:/.06 > 

0532 CONlUDieationa Ottiecr - Special {AH-2) 

9602 Cr;vptane.lytic Ofi'icer, C~ellical 

9603 C17Ptograph1c ottieer, lquii:aont 

R!f (TM 16·"67) 

54' Badio Intelligence Control Chief' 

799 Intercept Operator, Find Station 

'Ti7 Radio Security 'l'eohnician 

3. It will be proposed to !he Adjutant General that the following extet.tna 

Jl!lita.r;y occupational specialties be a.11minated when the proposed r&Tiaion& ot \ha 

•OS'• listed oppoaite thetJ. haw been publiahsd1 

IjODF. (TM 12-406) 

fo be Beplaeed bJ 

R@X!aed Job Speci!ic&tion (9f 

%10 Security Otticer, Cryptographic 

Ip ('fM 12-427) 

'139 Intercept Operator - J 738 

6709 Tratt'ic: Analyst G 709 

d709 Tratf'io Analyst J \ . .\- .. 709 

4. It 1s desired that the Coordination~ttee tor Cla11eiticatlon and Wap .ldminietration undertake to: 

•• Coordinate with interested divieions the revised and new Job epeciti• cations prepared 'b;y Or1an111ation and Training Seation, ~tatf', listed in pera• 

P"&pha la and b• above. 

b. Review and eubm.it rec0Ell?1emations on the Job epecifiaationa listed in 

)l&1"8Craph 21 aboYe. ~-·---

e. Sul:ait r.comm.enda~iona tor &D1' new llilitary occ~pational 1pecialti•• 

whieh are cionaidered deaira'.>le, together with their DdnillluJll apecil'icatioms. 

4. Consideration should also be given to the following m!lit&rJ' occupational epecialtiea which are ot dii"ect but not exclusive interest to this Agenc71 

-0200 COllllunications otticer 

·0220 Si.pal Center Officer 

0221 Signal· Center Officer, l'ield 

0222 Sipal Center Officer, J'iDd Station o~ &iFU Center orticer, Cryptographic 

• I 

- ·• 
£_'- . -· 

~­

• 

II-- --~ ?} 

1. 

--: ..... oi:. ... 

REF --... -- - - -11_ -- -: :!!'~'•:a 

.AS-22 30 Aug II> 11111tar,- Occu:patianal. Specialty Job Speetrioationa (Cont'd) 

,. CTi li-4ill 

667 Message Center Clerk 

674 MeaB&.p Center Chie.t' 

805 Cryptographic Technician 

868 Radio T§letype Mechanic (This Job apecU"ication was prepared b7' 

the A.J:I and appears to be an mmecoeaary duplication of the !01) 

.. . , . .. ........... 'tr.......... -...... ' 

I S, 

t ... .... ..: ... ·:~ ... - .... 

•·GEoHGE A. BlCl-'Eit 

1:~~nffl1. Si.Pal Corps · ~tep\n.;y Chief', Ax"m¥ Security 

lzttn11on 428 , 

I 'I ! • "" ..... 

:! _.. -

----..-:,-- - - ;. --- . -

:. ..... ..._.~Jo• St 

J ........... _. • ... -..JC._ _._ n•r--

.._ ------- ..... ~ 

---:,_- &:'.~~=-::== 

·___:!,_~.! 

-~ -··' .- ,. •. ..-.......... ... ..... ·--~ 

- ; · ... 

: ... ~ ...... '":..,.,. ~ .. .. ........... 

.... _ .. 

. ...... ... ---

-::..---

.,..,i:'r•, 

_. !..·. 

• 

- ... '.Ill ff"':'!~ 

- .-:...;.i..:.: 

_...-ni_31 ___ _ 

·-----'·-· -~-------

• v .. .a.. r;,,-._f4.l'l1"" .. ·' .. I ~ ! 

>f'-'; ~ofi'~~l:.'<Cr:..i : - ", ' L 

,·- ... _,, - . ... _ :.. .. ,,, ... -=~~j:;.{;...,\. , ~· 

-- ---.... _ -

-·· ·- -~· ~·----
t· 

• REF ID:A66703 • 

ARMY SECURITY OFFICER,, GENERAL ( *) 

Commands or supervises all sign.al intelligence and comm.unication security activities of a headquarters and subordinate 

units. Formulates plans for the disposition of signal intelligence and communication security organizations and for the most 

efficient utilization.of personnel and facilities. Directs the 

interception of radio and wire transmissions and the derivation 

of intelligence therefrom. Directs activities for the employment and detection of invisible writing. Directs the monitoring 

of friendly radio and wire circuits and the analysis of friendly 

traffic for violations of transmission and cryptographic security; 

makes recommendations for the improvement of all phases of 

communication security including physical, transmission and 

cryptographic security. Directs the compilation, storage,, distribution and accounting or cryptographic material and the 

repair and maintenance of cryptographic equipment where applicable. Advises on the security of electrical communication circuits. Interprets signal intelligence and communication security doctrine and regulations. May direct research and develop- . ment activities in the signal intelligence and communication 

security fields. 

Must have a thorough knowledge or the tactical and strategic employment or signal intelligence and communication security units, and have a general background knowledge of all 

signal intelligence and communication security doctrine, principles and procedures. 

*Code to be assigned. 
, 

' 

REF ID:A66703 • 

Cryptographic clearance essential. 

Military experience in signal intelligence and communication security essential. 

Civilian experience in radio or electrical engineering 

desirable. 

Should be college- graduate with training in radio theory, 

mathematics, chemistry or languages. 

(If a more detailed description of the duties of this 

specialist is required, a request therefor should be addressed 

to the Chief, Army Security Agency, The Pentagon, Washington 25, D. 

C., Attention: WDGAS-22) 

Radio Engineer 

Electrical Engineer 

Physicist 

Chemist 

SOURCE JOBS 

Mathematician 

Cryptanalyst 

Student of Cryptography 
.,,, • I- -.me-JD: A66703 

ARMY SECURITY OFFICER, GENERAL ( *} 

Commands or supervises all signal intelligence and communication security activities of a headquarters and subordinate 

units. Formulates plans for the disposition of signal intelligence and communication secut>ity organizations and for the 

most efficient utilization of personnel and facilities. Directs 

and controls tactical and fixed station radio interception, 

direction finding, identification of radio transmitting stations; 

directs and controls tactical wire interception activities. 

Directs the monitoring of friendly radio and wire circuits for 

violations of transmission and cryptographic security; makes 

recommendations for the improvement of all phases of communication security including physical, transmission, and cryptographic 

security. Directs the derivation of intelligence by means of 

traffic analysis and cryptanalysis, including such translation 

activities as may be necessary. Directs the compilation and 

analysis of friendly radio traffic data and the preparation of 

radio control traffic, or formulates appropriate recommendations 

for necessary corrections to prevent successful traffic analysis 

of our own communications. Directs the compilation, storage, 

distribution and accounting of cryptographic material and the 

repair and maintenance of cryptographic equipment where applicable. Directs the employment and detection of invisible writing 

and the solution of open codes and shorthand systems. Advises 

the local Army censorship on cryptanalytic matters. Advises on 

*Code to be assigned. 

8BllH. 

'--· 
. "' ~A66703 

. SGGRBI~ 

the secUl'ity of electrical communication circuits over which 

classified communications may be authorized for transmission 

in plain language. Inspects signal and message centers and 

reports on the physical, transmission and cryptographic secUl'ity 

practices thereat. Interprets signal intelligence and communication security doctrine ~nd regulations. Ma.y direct research 

and development activities in the signal intelligence and communication security fields. 

Must have a thorough knowledge of the tactical and strategic employment of signal intelligence and communication security units, and have a general background knowledge of all signal 

intelligence and communication security doctrine, principles and 

procedures. 

Cryptographic clearance essential. 

Military experience in signal intelligence and communication security essential. 

Civilian experience in radio or electrical engineering 

desirable. 

Should be college graduate with training in radio theory, 

mathematics, chemistry or languages. 

Radio Engineer 

Electrical Engineer 

Physicist 

Chemist 

SOURCE JOBS 

Mathematician 

Cryptanalyst 

Student of Cryptography 
• REF ID:A66703 • 

RADIO INTELLIGENCE OFFICER (0225) 

Commands or supervises a radio intelligence organization 

~ngaged in the interception of radio traffic, direction finding 

activities, and traffic analysis. 

Must have a knowledge of radio theory; the basic principles 

of traffic analysis; the operations of radio communications systems; and the employment, installation, and operation of radio 

intelligence equipment such as radio receivers, control systems, direction finders, and associated equipment. Must have 

a knowledge of International Morse Code. Must have a general 

knowledge of various types of traffic which have intelligence 

value. 

Military training in radio intelligence work is essential. 

Civilian experience in radio communications and engineering is desirable. 

Radio Engineer 

Electrical Engineer 

SOURCE JOBS 

Radio OpeI'ator 

.............. ____________ ~~~~~~~~~~--------- -
REF ID:A66703 • 

COMMUNICATION SECURITY OFFICER (9240) 

Directs the maintenance of security for military messages 

transmitted through A:!tmy or commercial facilities. Supervises 

physical, cryptographic, and transmission security activities. 

May inspect code rooms and transmission facilities. to assUl'e 

protection against fire, sabotage, and unauthorized access. May 

supervise the preparation of communication security instructions. 

Supervises the secure use of cryptographic systems and equipment. Supervises employment of secure methods of distributing, 

handling, and filing plain-text copies of cryptograms. Supervises operating practices and circuit discipline. Provides for 

review of classification and phraseology of messages. 

Must have knowledge of cryptography and of uses and limitations of radio, teletype, and other communication equipment. 

Must be familiar with principles of cryptanalysis and traffic 

analysis. Cryptographic clearance essential. 

Military experience in communications essential. Civilian 

managerial experience in communications desirable. 

Should be a college graduate. 

SOURCE JOBS 

Communications Engineer 

' 

.Q!:yptanalyst 

Physicist 

High School or College Instructor 
• REF ID:A66703 • 

CRYPTANALYTIC OFFICER (9600) 

Devises methods of solving cryptographic systems and supervises the cryptanalysis or intercepted cryptographed traffic 

in general or in a designated language. Conducts or directs 

the analysis of friendly traffic for violations of cryptographic 

security. Makes recommendations to increase the security of 

cryptographic systems. 

Must have a thorough knowledge of cryptography and cryptanalysis. Must possess initiative, patience, and marked deductive ability. Must know organization and terminology of appropriate military forces. Should have some knowledge of physics, 

mathematics, statistics, and traffic analysis. 

Military experience in cryptography highly desirable. 

Cryptographic clearance essential. 

Civilian experience in the fields of cryptography, mathe• 

matics, physics, actuarial science or chemistry essential. 

Should be college graduate with specialization in physics, 

mathematics, and statistics. 

Mathematician 

Actuary 

Cryptanalyst 

Accountant 

SOURCE JOBS 

Physicist 

Chemist 

Student, Cryptography 
• REF ID:A66703 • 

CRYPTOGRAPHIC PRODUCTION AND DISTRIBUTION OFFICER (9601) 

Prepares and supervises the production, distribution and 

accounting for authorized cryptographic systems, keys, and 

supplements. 

Must have a thorough understanding of War Department systems and the precautions necessary to safeguard these systems. 

Should have training in mathematics. Must know military organization and terminology. · 

Cryptographic clearance essential. 

Basic military background and military experience in cryptography highly desirable. 

Civilian experience in cryptography, or mathematics desirable. 

College education desirable. 

Mathematician 

Actuary 

Cryptanalyst 

SOURCE JOBS 

Student, Arts and Sciences 

Student, Cryptography 

.. 
REF ID:A66703 4t 

CRYPTANALYTIC OFFICER, TRANSLATIONS (9604) 

Translates messages written in a specific foreign language 

and assists in the solution of foreign cryptographic systems. 

Must possess an excellent knowledge of the designated 

language. Must possess thorough knowledge of the organization 

and order of battle of designated military forces, and forms 

and phraseology peculiar to the designated language as used in 

cryptography. Knowledge of foreign customs, personalities and 

geography desirable. 

Basic military background desirable. 

Cryptographic clearance essential. 

Civilian experience in the translation of foreign languages 

and travel experience highly desirable. 

College education with specialization in language desirable. 

Language Instructor 

Language Student 

SOURCE JOBS 

Translator 

Expert Manager 
REF ID:A66703 

TRAFFIC ANALYSIS OFFICER (9605) 

Conducts or directs the analysis of traffic of designated 

communication systems for the purpose or obtaining a knowledge 

of their organization and operation, and applies the knowledge 

so gained to the coordination of intercept and direction finding 

operations, to the assistance of cryptanalytic operations, and 

to the derivation of intelligence. Conducts or directs the 

~nalysis of friendly radio and wire traffic from the transmission security standpoint. 

Must have a thorough knowledge of the procedure used by 

the designated communication systems. Should be familiar with 

the geography of the area in which the systems operate, and the 

organization and order of battle of the forces concerned. 

Should have a knowled.ge of cryptography and cryptanalytic principles. Ability to read and translate the appropriate language 

is desirable. 

Basic military background and experience in signal intelligence or military radio communication desirable. 

Cryptographicclearance is essential. 

Civilian experienc~ in commercial communication systems, 

statistical work, or languages is desirable. 

Education on college level desirable. 

Amateur Radio Operator 

Statistician 

SOURCE JOBS 

Traffic Analyzer, Commercial 

Communication System 

Tr~nslator 
REF ID:A66703 

CRYPTOGRAPHIC EQUIPMENT MAINTENANCE AND REPAIR OFFICER 

(Designated Equipment) (9606 - ( )*) 

Directs and supervises the installation, inspection, maintenance and repair of designa.ted cryptographic equipment and 

associated accessories. Analyzes technical and operational difficulties on designated cryptographic equipment and provides 

corrective measures. Supervises personnel engaged in the cleaning, disassembly, replacement of defective parts, adjustments 

and the proper techniques of cryptographic equipment maintenance • 

. Maintains appropriate records and prepares required reports. 

Must have appropriate knowledge of other subjects and material 

associated with the particular designated cryptographic equip-

" 

~ent. Further pr~requisite qualifications for officers in the 

category are outlined in letters destributed to holders of such 

designated cryptographic equipment. 

Must not be color blind. 

Must have cryptographic clearance. 

Military experience desirable. 

Civilian experience should include several years experience 

in the installation1 maintenance 1 and repair of intricate electromechanical equipment. 

Should be graduate of technical or vocational school. 

Teletypewriter Repairman 

Typewriter Repairman 

SOURCE JOBS 

Calculating Machine 

Serviceman 

*Specific classes of cryptographic equipment will be defined 1n 

classified War Department letters. 

--- --  J 
• REF ID:A66703 • 

CRYPTANALYTIC TRANSLATOR ( *) 

Trnaslates messages written in a specific foreign language 

and assists in the solution of foreign cryptographic systems. 

Must possess an excellent knowledge of the designated 

language; a thorough knowledge of the organization and order 

of battle of deisgnated military forces, and a general understanding of the economic and political organization of a designated area. Must possess marked deductive ability and sound 

judgment as well as the ability to correlate his knowledge of 

the designated language with the forms and phraseology peculiar 

to that language as used in cryptography. 

Cryptographic clearance essential. 

SUGGESTED SUBSTITUTE: 

267 - Translator 

*Specification Serial Number to be assigned 
REF ID:A66703 

INTERCEPT OPERATOR, RADIOTELEPHONE (538) 

Identifies and intercepts voice radio transmissions in a 

designated foreign language by operating a radio receiver and 

other equipment. Copies or records intercepted transmissions 

and translates into English. Copies such low speed International 

Morse Code and any radiotelegraph codes or characters which are 

peculiar to the designated language as may be encountered when 

~emy station changes over from voice to code tragsmission. 

Operates e_g,_uipment such as r2ceivers 1 sound recorders, and 

transcribers. Tunes in radio receiver on an assigned frequency 

or by searching over a band of frequencies. Records intercepted 

traffic by hand, typewriter or by transcribing data from recordings. 

Performs first echelon maintenance by inspectingJ dusting 

and oiling equipment; makes simple repairs or adjustments such 

as changing tubes and adjusting frequencies. Uses simple hand 

tools. 

Must be able to receive and print pencil copy (without 

error) International Morse Code sent at a speed of 8 five-letter 

random code groups perminute for a minimum period of three consecutive minutes out of five. Also must be able to receive and 

copz._ without error anl radiotelegraph code or characters peculiar 

to the designated language by hand printing and typewriter at 

speeds equivalent to those outlined for International Morse Code 

in the _group form commonly used. 
• REF ID:A66703 

Must have an excellent understanding of the designated 

foreign language in its spoken form and be able to translate 

it accurately into English. Must have a thorough knowledge 

of military terminology used in the foreign language and in 

English. Training in shorthand is desirable. 

SUGGESTED SUBSTITUTES: 

267 T:raanslator 

320 Interpreter 
• 

REF ID:A66703 

TRAFFIC ANALYST {709) 

Assis~in the analysis of traffic of designated communication systems for the purpose of obtaining a knowledge of their 

organization and operation and applies the knowledge so gained 

to the coordination of intercept and direction finding operations, to the assistance of cryptanalytic operations, and to 

the derivation of intelligence without recourse to cryptanalysis. 

Assists in the analysis of friendly radio and wire traffic for 

violations of transmission security. 

Must have thorough knowledge of the procedure used by the 

designated communication systems. Should _£e familiar with the 

geography of the area in which the systems operate and the 

organization and order of battle of the forces concerned. Should 

be familiar with principles of cryptography and cryptanalysis. 

Ability t? read_ and translate the ap~ropriate language is 

desirable. 

Cryptographic clearance essential. 

Training in languages, :mathematics, or statistical procedures desirable. 

~ 

SUGGESTED SUBST~TUTES: 

808 Cryptanalysis Technician 

267 Translator 

738 Intercept Operator, Radiotelegraph 
REF ID:A66703 • 

INTERCEPT OPERATOR, RADIOTELEGRAPH (738) 

Identifies, intercepts, and copies International Morse Code 

radio sign.a.ls, and any radiotelegraph codes or characters which 

are peculiar to a designated language, b7 means of radio receiver. 

Installs and operates radio receiving and direction finding 

equipment including auxiliary accessories such as frequency 

meters, sound recorders, panoramic adaptors, antenna systems, 

and power units. Tunes in radio receiver on an assigned frequency, 

or by searching over a band of frequencies. Records intercepted 

traffic by typewriter or hand printing. Operates directionfinding equipment, takes bearings and plots them on a map. Maintains intercept logs and other records pertaining to the handling 

of messages. 

Performs first echelon maintenance by inspecting, dusting 

and oiling equipment; making simple repairs, or adjustments, 

such as changing tubes. Uses simple hand tools. 

Must be able to receive and copy without error International 

Morse Code by hand printing at a speed of 20 five-letter random 

code groups per minute and by typewriter at a speed of 25 fiveletter random code groups per minute, both for a minimum period 

of 3 consecutive minutes out of 5. Also must be able to receive 

and copy without error any radiotelegraph code or characters 

peculiar to a designated language by hand printing and typewriter 

at speed eguivalent to those outlined for International Morse 

Code and in the group form commonly used. 
REF ID:A66703 

Must be familiar with and understand the radio procedure 

used.by designated radio communication systems including the 

use of procedure signs and signals. 

SUGGESTED SUBSTITUTE: 

766 Radio Operator, High Speed, Manual 
• REF ID:A66703 

CRYPTOGRAPHIC REPAIRMAN 

(Designated Equipment) (801-( )*) 

Installs, inspects, maintains, and repairs designated cryptographic equipment and associated accessories. Analyzes technical 

and operations difficulties on designated cryptographic equipment and provides corrective measures. Cleans, inspects, replaces defective parts, and makes adjustments for the proper 

maintenance of the designated cryptographic equipment. 

Uees special tools and devices as specified for the proper 

technique of cryptographic equipment maintenance. 

Must have thorough lal.owledge of the principles of electricity, electrical and mechanical measuring instruments, schematic 

and plan wiring diagrams and the tracing of circuits. 

Must have appropriate knowledge of other subjects and 

~ 

material associated with the particular designated cryptographic" 

equipment. Further prerequisite qualifications for personnel 

in this category are outlined in letters distributed to holders 

of such designated cryptographic equipment. 

Must not be color blind. 

Must have cryptographic clearance. 

*Specific classes of cryptographic equipment will be defined in 

classified War Department letters. 
• REF ID:A66703 • 

CRYPTOGRAPHIC TECHNICIAN (805) 

Cryptographs and decryptographs classified messages. Should 

be familiar with all types of cryptographic systems and equipment employed by the Army. Handles highly classified communications and maintains cryptographic files. 

Must have a thorough working knowledge of cryptographic 

security~ cryptonets, and instructions governing the various 

cryptographic systems. Must be able to review messages for violations of security and defects in cryptographing. Should be 

adept in handling garbled cryptograms. Should be familiar with 

electrical communications procedure. Must be capable of typing 

at a minimum rate of 25 words per minute. 

Cryptographic clearance essential. 

SUGGESTED SUBSTITUTE 

667 Message Center Clerk 
•• REF ID:A66703 

COMPILER, CRYPTOGRAPHIC SYSTEMS (807) 

-

CRYPTOGRAPHER 

CODE COMPILER 

Prepares or assists in preparing, compiling and revising 

codebooks and cipher systems, keys, and supplements for use in 

cryptographic military communications. 

Must have a thorough knowledge of War Department cryptographic systems and the precautions necessary to safeguard 

these systems. 

Knowledge of elementary principles of cryptanalysis and 

training in mathematics is desirable. 

Cryptographic clearance essential. 

SUGGESTED SUBSTITUTES: 

805 Cryptographic Technician 
' REF ID:A66703 

CRYPTANALYTIC TECHNICIAN (808) 

Decodes and deciphers cryptograms without the aid of the 

device or key used in preparing them. 

Analyzes intercepted cryptographed messages and determines 

the key by using deductive reasoning and employing knowledge of 

various cryptographic systems. Analyzes friendly radio and wire 

traffic for violations of cryptographic security • 

. Must have a general background knowledge of the cryptograph1c. 

systems used by modern armies; a thorough understanding of basic 

and advanced principles of cryptanalysis; and a basic knowledge 

of the appropriate language. Must possess initiative, patience, 

and marked deductive ability. Should have some mathematical 

training. 

May supervise others in cryptanalysis. 

Cryptographic clearance essential. 

SUGGESTED SUBSTITUTES: 

805 Cryptographic Technician 

807 Compiler, Cryptographic Systems 

267 Translator 

709 Traffic Analyst 
' REF ID:A66703 

RADIO INTERCEPT OPERATOR, NON-MORSE • ( )*) 

Identifies and intercepts Non-Morse radio signals by means 

of a radio receiver and associated equipment. Records signals, 

using sound recorders, ink recorders, facsimile recorders, tele-

~ypewriters, or other automatic printers. Operates radio receiving equipment, including frequency meters, ink and sound recorders, 

automatic printers, single side band receivers, speech inverters 

and scramblers, channel shifting equipment, spectographs, and 

associated equipment. Tunes receivers on an assigned frequency 

or by searching over a frequency band. Maintains station logs 

and other records pertaining to the handling of messages. Performs first echelon .maintenance by inspecting, dusting, adjusting, and oiling equipment. Uses simple hand tools. 

Must be able to receive International Morse Code by hand 

printing at a speed of 10 five-letter random code groups for a 

minimum of three consecutive minutes out of five without error. 

Must have a thorough knowledge of the basic principles of radio, 

including such concepts as frequency modulation, sidebands, 

channel shifting, and working knowledge of the basic principles 

of the intercept equipment he must use. Must have a thorough 

knowledge of combined radiotelephone, radiotelegraph, and 

authentication procedures. 

SUGGESTED SUBSTITUTES: 

543 Radio Intelligence Control Chief 

738 Intercept Operator, Radiotelegraph 799 Intercept Operator, Fixed Station 

*SSN to be assigned. 
•• REF ID:A66703 .. 

r_v .t'-< I# T 

EL~CTHO?UC CRY?rO-l~CH/J! U,U OFFIClR 

(l.lesiB?lated i!:quipment) ( -( )*) 

• J • 

-lo"•r"'"'f:./P-r-,- ••"""·41 

Comnands or aupcrvises a unit charged with the installation, 

operation, maintenance and repair of designated electronic oryptomechanism9 and is responsible for the initiation and observance, 

in relation to the designated equipment, of all precautions necessary to insure proper physical, cr,yptographic, and transmission 

security. H.ecomr~.ends engineerine chan~es in equipment. ::iupervises 

the keep.ing of station logs and maintenance records. Supervises the 

preparation of required reports. Requisitions technical supplies, replacement parts,, T/O & E items and cor:.mon supplies. Keeps necessary 

property records. 

?lust be thoroughl.3 .familiar tdt.h radio theory and have a thorough 

working knowled6e of the operatin£ theory, inGtallation, operation, 

maintenance and repair of designat.ed complex electro-mechanical and/or electronic equipment. L:ust be familiar with ;.~ organization, terminology 

and the details or administI"ation of small units including /\rmy &upp:J.¥ 

• procedures. - m>t--11• color~•d. ~ ....L,__~+..: ~ 

Cryptoeraphic clearance essential. 

Civilian eJCperience in electrical or radio enBineerin~ desirable. 

College educ:. t.ion vlith degree in electrical or radio enf;inoering, or 

equivalent in experience in the maintenance or complex electronic equipJ.!1ent is desirable. 

zlectronic ~ngineer 

11'.adio ~bineer 

?eysicist 

5C'URCE J0.9.5 

Electrical Ene.llleer 

Com.dercial Co.IIU':1unications l!:n1~ineer 

*Code to be as~igned. ~pecific classes or equipr.ient will be defined in 

classified ~iar ilepart.r.i.ent letters. 
ta IJJJa.FEF ID:A66703 

ELBCTIP.10 CRY?l'O-MECHAJJLSM ATTENDANT - r .J# ~ • .. '.... . 

I 

r 

•••I 

' (Deoignated Equipinent) ( -( )*) .. .. . .. - r.i# - \I \ 

,.. ... _,. ,,,_, 

Installs,,. oporates, maintains and repairs designated electronic 

crypto-rnechanisms. Coordinates starting information with distant 

terminals and makes the required adjuatment.s for operation. Performs 

third echelon maintenance and repairs on designated equipment and 

a5sociated accessories. 

During transmission must bo able to recognize signs of improper 

operation or equipment failures and take proper action to prevent the 

loss ot security or damage to equipment. Must be thorou~ familiar 

• w • ~.; 

\Vith radio theory and have a thorough working knowledge or tho operating 

theory of designated coniplex electro-mechanical an'J./ or electronic equipment 

and be able to uso the mechanical and electrical measuring and test equipment required to locate troubles and to effect nec~ssary correc~ions. 

Must be adept at reading schematic and pl.an v1iring diagrams and the tracing 

ot circuits. Must be able to use with unueual dexterity a variety ot corr.mon 

hand tool3 and such special tools as IJJa¥' be required to accomplish necessury repairs. 'Must not ""b19Co-lor-bl-imt. ~ J..,_ @1

-"-t.'-A;; ~ ·_ :v.p;X.;; •: 

Cryptoeraphic cloaranoe essential. 

SUGG~TllD SUBSTrI'UTE: 

649 Radio Repairman, Fixed Station 

*.SSN to be assigned. Speci.fic classes or equipm~nt will be defined in 

alassitiod ·;:ar Department letters. 
--

r 

REF ID :A6670:r3 

~. 

•) 

Xnat.alle, 1nllp8Clt.•• teat.a, an4 repa.b-• &11.tJP'I• of equipaitnt. peoul.iar 

to non-more• radio 1rltwc•pt1on •nd aul1'91• including trequcc7 ahittera, 

tone 9041.llated llll.tiplex t.•nd.nal•, t.ime b&•• aultlplu d1atr1butors, •peech 

1nnrt•r• and .c?"&llbl.,.a, apectograph•1 tao•ild.l• .r•co-rde.r• and other 

apeaialialld .quipmeot ,,.aull•• \e Au•; d•ca1·t:•1 *&•••1 ...-.kit..i-M.-

lult. tlaw a \borough knowlMtt;• of ba1ic prino1Pl•• ot radio includlnc 

urplltud.• .aodulation, trequeno7 udul&t.ion, •in&l• 11.debaad and trequ•1107 

lbitt.tag OJ*'&t.ionJ llllUt.iplu and '1D&l• ohannttl no~•• t.erainal f~;v,..t .1 ~.._, • • ,..,1,f....~.;i.'"''~~'ft"" rr( 

•q,ui,pG.ent,. a.is •.J>MCh pr1T•07 qat.-.s. Jiu•~ ti. tborov.ghl.7 t&llili•r with 

atandard radio Ml.n\enanc• and repair proclldurea. hat. be &bl• \0 u•• 

oommcn band tool• and t• equipment.. 

. : 

.. 
REF ID:A66?0• 

"lJt&.11slatts :t.teeaage.• written iu·a ~U'ic foMign language anti 

aui~ 1n th• aolut1on c>t toreip ci'J'P1;ograph1e syst.u. 

. .a.rr "'"'.,..;;"~' »uat poeaie•• .an excellent knowl•dge et the ~!lit~~ language; 

a thol'ougb knwled,p of the 0rpntmtion ot &tsignated m.tlit&r,-

ttoreea • and a pneral undera~'1ding ot the economic and pol1 tioal 

orpniat1on of. a de•ieuated. area. :lUat poeaee• mark.cl d$duot1w 

ability and •ound judgniGnt as all u the ability to cornlate ht• 

) , ,! <, ),. - ~f:',,tl ~,.:' .c•.-t_,1 {'L'" t• 

lmowledp ot the diiNtB~ted language with tae torma and pbraaeolog 

. peoullar to that language•• -uud 1n cryptography. 

Cry£>top&phio cle&r$ncMt e1Mntial. 

SOOGOSTiD SllOOT!'?'JT!1. 

267 - Translato.-

• OON to be ueign9d. · 
• REF ID:A6670ft 

Ident.ifiM and 1nt.voepta 1ion-Me>r•• radio a1gnlll.s by uans of a 

radio receiver and aeaoci&t•d ~ulpu:•nt. Rtoorda aignal.e, using sound 

Heor4-re, ink recorders,, tacldsd.l• r.-oordera,, t•l•tyPewrit.•r•, or athw 

&\&t.Cll;liit.ic prtntel"o. Operates :r•d1o rec•iving equipMnt, inc-luding trequenc7 

m1tetera, ink auid sound recordero, auto.-tio pr~r•, •in&l• s14•band r•e•1v•r•' 

spe•oh inverters &nd cscranblers, chann•l shittir~e equipment, ep-obogl'&ph•, 

and a1aoo1ated ~pment. ft.mes rec•1•ec on an aeeignfld frequ•ncp or b7 

searohing over a tr•qU.•nc)I band. t:aintains .tat!on logs •nd otbw records 

p&rt.ain1ng to th• f\andling ot .cteuqe:s. --I!Ql!fol"•• til at eetlfteft •ifl'•ai.&t-.-=~-

~ UIJ'ff"~.,,haQd t oolho-=" 

;.:u.at be abl• to receive International i!orae Cod• by hand printing •t 

a •P•ed of 10 ti•e-l•t-t•.r random cod• gro~~,. t~~~;~ ,~~;1~ ot three oonaaout.ive . ~ 

minutes out ot five without •nor. Uutt h&Y• Ilk ~horcugb knowl"4£• of th• baeio 

pl'it~cip.:lea ot radio, inchldln.I at.tQh concepts as treqwmc.J llOdul.ation, sidebands, 

channel shitting, •md a workin8 knowl•ds- o! th~ ht.sic prino1pla of the 

interctpt equipllent he must. ~·. Uust haft a thOl'O\lf'J2 knowledge ot. eeu1 Da¢: 

~.JJ~~ftP: ,"~~;..!: . 

radlot.slephon•, radiot..i•u•ph~~ and a~ttumt:1cat1on proo'"1ures. ~.uet h&•• • 

ge.n•ral. knowl•clg~ ot the varioue t)'J)*& of traltio~ whit:b haT• int•lligertoe 

ftlt.te. 

. ~ .i 

799 Intercept 0P9r•tor, Fixed 5tation 

* SSN to b• assianld. 
REF ID:A667°1 

Oommande OJ" a'UpVYiYD a radio intelligence unit engaged in the 

intffQ•pt.ion of tlOU-illOre• radio traffic. · 

ll\let have a knowledge or· th• basic principles of radio including . . -.nd. 

a\loh conoepte as tl-9q.UW10• modUlation1 a1d•1*nd$1/<'il&nnol ehiftingJ th• 

b&elc principles-.ot t>rattic analy.d.sJ th• operations ot radio communicat.ion 

1yeteilLI; and th• ~ploym.tnt, inst.all.Mtion, and oper•tion ot r&dii;;. e~Uipment 

. 1nclud1ng tr~U•llCJJ m.;tei"e, ink and aound record.era, automatic pr1nt•re, 

a1ngl.• .tdeband r90~J!.vera, fJpffch inv•rt•rs and scl'Mbl•l"s, cb&nn•l ah1tting · 

e<{uipaent, •pect.og.n.pb~, and assoc1a\•d •{tuipdnt u:s.ct in th• interception 

ot non-mor .. radio tr~w:d.s•ioM. ~~:_-~!i~mriJ~ ·ld~ Ariq .org~tionx.-~· 

Yl{A ~ ,i1 h&-n a g•neral lmotrl•dg• ot the ~1ou$ typtis ~t t.r&ttio which ha~ int•llig•nc• 

;;';:1;;!;!;.'k ;.t:.::,~~ ;;;:~ ~ ~~~~i~,;:;r;;d{~t~1~>;~;"f'- radiot•l;gr~~(~"a.utJu1nttcation procedures.~ \.'~? · 

(~ 

lillt&l"y trs&inirtg in Jl'&dio intel.Ue•nc• work 1s esswntial. ,: . 

01vllian uperi•nce in radio ooaunioations and engin•.Z.ing ie 

dosinbl•. 

Ra4.io Operator