REF ID:A71112 

ar 

lllil% 

T01 Chief 1 A1'9J' Field Fore• 

rort. 11aaroe, firl!a!& 

lft'F..ITIClla Cbiet, l>enlOJalll°' Sect:lca 

1. Reference 1• mde to a letter with two Smlorsemente trca tbe 

A:n11' SecuriV Ageaq to Chief, Arr/ Field Forces, 19 larch 1948, llUbJect 

•Joiat llilitar.r Cbancteristics tor Speech Prin.q Equipment.• 

2. Reference is made to a letter wit.la snen 1Ddorseaenta tna the 

ln17 SecuritJ' AleDC7 to Coaanding General, lnv Ground Forc:ea, .3E._ Juq 

1947, nbject •RequireaentB tar Cl"1Ptograph1c Devices." 

3. With reference to paragraph l, this AgellC)' 18 developbg three 

cipbon.J equ119enta aa indicated bJ ASAC 22, chart II. '!'be low echelon 

equ1iment, ASAI 4, 18 1JateDded tor use wit.bin a d1Tision. The mtemediate 

ecbeloD eqaJ.p1eat, ASil '' 18 intended for use between l.'l'fll!F heack;,uarten 

aal DlTiaicm headquart.en. The high echelcm equip1ent, ASAY 6 ta Sateaded 

tor ue be19em J>epartmeat. ot the Al'flT headquarten and ln;r headqurten. 

The Wt 6 18 a replacemmt. f'or the .U/GSQ-2, 3. ?\ 1a bellned that 

the ASl? 6 w1111&tiafJ tM Jo!llt alllt.a17 c:lluaoteriat1c• tor epeeeb 

prl•q equii:amt aa :nn'iaed bJ the CcwunScat.:lonll !quii:act C4allt.tee 

an tbe lo!at Camlttee Boal'd u4 will al.lo •tiatJ' the ii!.uta17 obua~tel'­

iat!c• tor tbe U/GSQ-2, 3 u auba!tW bJ the l!cml Corpe u4 ecDmT.d 

Declassified and approved for release by NSA on 05-28-2014 pursuant to E.O. 1352e 
REF ID:A71112 

~- in bJ the An;r Cl'OUllll Foran on 23 ?fcmaber 194). It 18 to be noted 

1:bat the milltal'J' cllaracteriatioe tor the U/QSQ-2 N:l1lired a secviv 

· period ot aeYeD_...Wo hOU'8 while t.he Joint aillta17 charaoteristloe 

Sap]1' grade ll aecar1tr (retereace As.AG 2:1, Sect-ion II). It ia belined 

tbat the daYelopaent of these three ciphODT dmcee will proride the 

Depa:rtaent ot tbe Al'Wl' with a am.table .. lld nqui:red ccapleaent. ot epeech 

aeourltJ eq.uipaeata. Attent.ion 18 inrited t.o tha TSA•5, reference 

1SAG 221 chart II, the cl")'ptoccmponent of the .U/'n'.C 25. 'ftlese two 

equiimanta will PJ'Orid• i'or enciphered tort,r-td.ght channel TO.fee tramsm!Hion and an intended to be used betllreen mjor f'orae headqua:rten 

aid A.rllq headquarten. Tb!a tJpe ot encipbema11t will provide ccmamicaticm securi tf' tor wice, teletJPll and facsimile t.:ranam:l8aione 1D acconl 

with the planning ot the Stsnal Corpe ror an iategrated commun1ca:tion 

apt.em. 

4. Thia AlellCJ' reoeiTed tram the Sipal Corp11 on .)0 Juq 1948, 

a1litaJ7 cbaraateristice fOI" a ciphcmJ" equipnat to be used betseen 

atatt otticee ot a m111ta17 orgaDiatian over short haul, m1lita17 

tized statioD am/or tactical wire tacilitiea. It la naaomble to 

espect tbat. tbil oipboa;y equii:act. .,- be used to provide cammic:atioll aecuri\y for voioe tra1111Diaaion not onq bet.em at&f'f otn.cea ot 

an orpnhaticm mt a1ao for eecurlt.r ot tl"anlmiseiou onr abacr1bers 

oiftnllta ••the ASAI 6 aDll the Al/'ftiC 2s, (w1Ua TS& 5) an U8ecl u 

a c•tal. otrloe tacil1t,.. 

ilr\'9'2Hlll'IC.LOl!S2' D C 

V'1:5if\IA 2ECnl:51.1.A VCEJ..1CA 
REF ID:A71112 

5. _111tb reference to paragraph 2, tb1a lgenq 1a alao dneloping 

tJiree •iplaer maol:Wle equi}llllent.a. !Jae ASAll 7 Sa an electrical mt.or 

powered aeduanf•1 •111 wf.gb about. fifteen poad• exclaalve of the 

power 11app]J', ta u,board operated., pl"OT14ee tape cow wit.la a t.mir-efz 

oharacter oatpat, 8lld •ill open.te otf•l!ae oa]J'. It Sa 1Dtende4 to 'be 

uecl 1a lair eob.el.om ut having teletJpe tac111t1• bu' able to proY!de 

a tlr•tf'-tour wlt power supp]1'. 'Jhe .&SIM 8 Sii an electriaal powend 

aeoba.n18m, will probe.b]1' weigh about euty-t1ve pounda, enluiTe ~ the 

pcnrer 1111J>Pl7, 1a an 1ntegrated unit haTiDg a kBJ"bcam, prlnt.iJJc mlt and 

cr,pto-unit, will proride page CopJ" and will cperate either on-llne or 

Oft•liDe. !he ASAM 8 rill work wlt.b the ASAH 7 and will then baTe a 

•·---~ cban.oter output. ifhen working •1th an ASAll 8 the mdt. rill 

ban a tb1J"t7•trlo cha:racter output. 'ftie ASAM 8 18 iJltended to be ued 

1n all eclaelom employiDg teletype up to and ineluding Al'mJ' ~uarteN. 

!Jae ASA.II 9 18 an electric powered cipher meohaniam, will we1g!a about 

f'~t1Te pQl.Dds, 18 noainteg:rated, alld •ill aperate, whee prorided 

•1tb tele~ewriter eqv.1ment.9 botb otf•line al'ld on-line. 'l'hla camplaaent 

ot equipmente 18 not coaplete. lo prov181on has been made tor a low 

echelon, Ugbt ••tcht, wmmll~ operated oipber dniee t.&at mq be 

used bJ' orpn1zationa not ha'l1nc telet.;,.))&writer eq11i111eat and ao't capable 

of proYidiDg t.lae power mpp17 requincl tor tbe .&SAii 7. thia Al8DCJ S8 

preee11tq !Dveat!ptfng t.be ftrioa9 tact.ore ilm»lftd in t.ba dnelopm~ 

ot eaala a cleri.oe Sateaded u a replac•ent tor tile ll-209. !b1a !Dit.1al 

NBeueb la a.pected to be OGllpleted b)' 1 Iara 1949 and l t. 18 :reoameaded 

tbat pniantton ot llilita17 cban.cteri1tio8 for t.ll1a 4moe be poetpme4. 

M'lf2Hlr.te.J.0..,.2' D C 

VHWA 2ECnHl.LA VGEMCA 

H .. ' 
-

REF ID:A71112 

until thS. n1eal'ah bu l»e• oe11plete4. 

6. Cmaetll an nquuted aonaerniq the adeqaq of the plaJmflll 

tor 017Pto-equ1p1mt.8 aa stated 1ll the prniou parqraplla. 

1Y.VaHIMC.J.Ol sa• 'D c 

'v'~INA 2ECn~ilA 'VC?EJACA HERllra