• 3 

CROSS REFERENCE SHEET 

MAIN SUBJECT 

War Reserve Stocks 

To AS-85,83,82 

From AS-80 

BRIEF SUMMARY. 

CLASSIFICATION NUMBER 

StoragenAnd Preservation 

Cryptographic Material 

Date of Communication 

Date of Basic Document 14 Sep 1948 

This Division has been authorized to place on war reserve 1,800 SIGCUM. 

All SIGCUM shall be modified during rehabilitation in accordance with 

Incl:-1, wiring diagram ASAM 2-1. The modified SIGCUM will have the 

nomenclature ASAM 2-1 and new name plates will be provided. All SIGCUM and 

SIGHUAD presently in the field 1dll ~e p~eeeEi- replaced by the ASAM 2-1 

as soon as possible, depenaent upon the rate of rehabilitation and 

preparation of the necessary manuals. 

Class1f1er ~Jiiss Meece Routed to Fi le 

Typist Date l!f;?Class1fymg 17 Sep. 1948 

CROSS REFERENCE NUMBERS 

Equipment Signal Requirements 

WDGAS Form No 1493 7 Odober 1946 44052 

eclassified and a roved for release b NSA on 06-02-2014 

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REF ID:A70917 / 

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1. Tbla DSY!eion Juaa 'been eutt.oT1aad to place in wa:r n:eerre 1,800 smcw. 

2. ID ord-• \o eeaaapllala tld1 ~1't1aubr pl\aee of ttc rebaM.11t.etton JS'O• 

P'•t l'\ l• dednd theta -

•• All SIQCW 1ball be sod1t1od dm'ing rebabiltt.ation in aroordance 

"1t.b lnoleRH 11 "1rbc dllBftR A.SI.Ii 2•1• 

b. The mocl1t11111 SJCCW will !-.ne the nca.enalAtmoe ISA.if 2-1 and .., 

UM platee dll tre pron.ded. 

o. .All Sit:C111 aDd SlGmJAt r.reaet4 in U!e field •111 be :replaced _. 

the dB 2-l •• 800D •• po1•ibl.e, deJ)Gndmi upon the rate o.f J'Oeb!litBUcn and 

prepnnt.ioa ot tlt• neeena1"7 l!ICVale. ~~-11'\:" "t theee &t:.td:U'ied s:GCJJ!af shoul.4 be 

eqaipped w!U\ 87Cctl%oDou mtcl"e, tt-e l'e1:.ainder ehould heTe rm.!vereal mctora. 

d. nae ~ eight hundred ot tl".eee 110d1t1r.d $!C.Cl1'i4 rill then ht 

peckaged in accord.nae rith the CJ'1pt.o--.;uipaent. pacrqinc ~· rov hundred 

cf tJ~• l,SOO aodit1ed Sl~ ebould hi equipped v1tb 8,1nchn>o0121 mtcn, tt-.:0 remainder ahould hne •i~ernl mtcre. 

J. It la neaeaa&J'1 that. tad.a mcd1t1cet1iim ll'nd rebt1b!UteUcn program be 

ta!Uett!d ae IOOft aa poae1ble and t.t:at. it N! aeeiped ttr.e bit;hent ;ri.ority. 

4. Illfenatlcm 1a requested as to the eatlat.ed atertmg date, tt.e number 

ot -1 ta tbat wSll be ocmplated ri thin the firei. ~.ree sa.Umnv11l perioda1 and 

date ct onpleUoa. ol •intaanee and ;srocedural •'fRl&l•• 

A. SMOY 

Cbiet, ~ec\11"1tl' P1v1•10D 

M"2HILllCJ..OLll S2' C C 

Vl:S'WA 2ECn1:51J.A veEIACA 

mNFllDflM: 1 

.. 
REF ID:A70917 

COMFIDEHTIAl 

ft~ tol.1ow1ng Wonatt.aa Sa aonnec'tloa with tile nbabllitatiaa Uld t'e'daion 

of t.be &:mcU U farniahed for t.b• Sllf'onatlon ~ all CCIDCened !a thtl plagtng 

or t.tau proJeet. 

a. Tile nhabuttatton am revt.ion or tu SlCCtJll to tlle AS.ll 2-1 will be 

-Sped - proJeot. amber. fte pacagfnc ot ASAm 2·111Dite tor lollg-tem 

ltorap will be aaeigncMI a dU'f'ereDt projeo~ amber. 

i». 'Ille 550 smcmr ma.tta now 1a the "ft11lt a.t sew C1211berlanct w1ll be processed 

til"et. ED.et. detaila aa to the qQaDtit.iee desired era specUic dates will be 

ooord.f.m.ted with Captain Toner. 

e. PropertJ' 1sfte elips will be submitted to Supply Branch bof'on 1 October 

1948 tor all items required on th.18 project. 

d.. T1le project will be started oa 1 Deceaber 1948. Thia delq ta oring to 

the tille requi.red to seeu.re the it•• not. M"eaent.ly 1D •tock. 

e. u ot 1 Dec-.ber 1948, approx1mate]7 tnmty-f'ive repairmen rill be 

a.asiped. to the pl"Oject. 

t. I\ ta estwted that t'l!tJ'-tiw hoora '1Ul be :roo.uired to cO!\vert each 

alt. or a?Praadsataq three years to ccmplete the project. The estimated rate of 

produetion during the tirillt three sealammal perioda 181 

Dmber ot ~Alt 2-1 

CmleW (Cpulati?e) 

1 lane 1949-----..-~~----------~------)60 

1 Dectnlher 1949---------------------720 

1 lune 1950------------1080 

g. It ta ens.aw that. the •iat.enaaae imltructicu tor t.be new ua!'tt will 

be ta t1Dal t01'll to 8ldlli\ to AS-82 tor priat!q CD 1 Dec•bw 1949. 

2 
War IMerw St.ocb (Cao~) 

Ilk". .A1111Un Is\ 261 

1. A c1ocr111m~, ASAJr 2-l/1 ~or operatiaa or~ ASAM 2-1 bo\h 1n narmal uace 

aad 1D om U... opanUOD 1a DMZ"l.7 OCIDpla ted. It could be diatr1tm'8d bJ 1 Jan11817 191&9 .. ,, 17. 

I. fir. lulm bu espnued t.be opinion, 1n wbiob I a..ancar, t.bat the maold.me 

ahould DO\ be iasmtd w1tbout m• maintenance s:;anuala, which be 1nd1catea in bl.a 

paper w1l1 not. be rud.7 to ao t.o the ;>rinter until l T.ecmiber 194', at. wblcb t.be 

720 maohinee td.U have been t1m.llwd. All or t;t-J.tl mw t.hat t.ben w1U be DD 

2-1'• in ua 1111tU Pabruaey or Jlazoch 19SO, (ezcept. for t.be 20 tor Hamil). 

J. Th1.s Branch was one at tJm sponsors ol the 2-1 llO'IUeDt. becauae ot puU.cular cancern owr the secvit-7 of our mn ASA intercept outtita. le rec_.. 

:randBd :lmed.1.ate replacaaent o~ their preuent. s.rocm.t•s aa aaon aa 2-l'• wn 

avaU&ble. l woula llka to repeat. th18 reca:mnc:t.atJ.cm and uk that aa urq of tha 

tin\ )tlO u are required '° replace equipments at. ~ atat-ltms be diltributed u 

•oon u prOduced. fbaae ooald be accCJnpanied l:>J' an addendum. to tbe pnasent SIGHOlt 

CODtaln1.ng tea\ Foced'DN and circuit dia&r&U· (»oie - t.be c1rcu1 t. diairau 

a\ leas\ •11.l be required tar the 20 in lla•ii.) 

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F!WiK c. AUSTI!J 

Chief, lfetbDda Branch 

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REF ID:A70917 

GONflDFNTIAl 

~ I .as-as .As.-80 & Oc\ 411 

1. It u believed neceasa.J')' t.hat t.he replacement ot t.he 9IGCOlt now 1a t.be 

field b)9 A 'l.W 2-l be 1nit.1at.od prior t.o l JanUU')' l.950; t.heretore, it ia bellwed 

adYisable tor ~5 to coaaider Ute preparation ot change sheets to SIGaOBY, bl 

order that an int.eris :mumal is.q be provided, and ao t.ha.t. replacemeat. will be 

contingent. on.13 upon. the rat.a ot rehau1l1t.at1on u est.iu.t.ed in s-J.bparagrapb t ot 

Cca.ent. 2. 

2. It ia also believed &Msable t.ha.t t.his interim. aanwil aecomp&ll3' \he 

t.wen\.7 A."3.W 2-1 tent.at.ivel.:r scheduled tor install.at.ion in the tactical net. fiawaii 

1n JUU11!'7 l9lt.9. 

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.:Jde!, 3ecurit.z Ji vision 

CONF\DENT\Al 
s. IS-80 as-a' 3 ,.. 49 

REF ID:A70917 

1. ta carplJa.Dce wi'tll latioa 4. Cllaqe ....._ 2 to 

SJIDIClll ltaB hea print.eel amt la readi' tor cUstrDaRtcm. 

2. lt pru•t, all aooiea are 1a Ula poeeeeetm ot JS-82 1lllo Ira.,. bee 

!natracW to !a- muuac. .lfallMr 2 to SllHRlll w:l:Ua tll1oh AS.IS 2-1 la...S. 

\~ I. IDD 

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