ID:A273766 

Thia !'\OOOraudWI 1• tor the PV!'>O•• o:f NOOdl;4i1 , ........... 

atanoe of a oon:rareaoe l>e'\weea IJ.eu•. Oonrsnd•r A.». ~. 

r. :: • J •• '.'"'ffloer 1A Cha~• of' 'he Code a.Q4 ~1 ... 1 SflOtl.., a.i 

CoM11W1lontio4a, and R\V••l:t. 7enenq '&ft•-· - :·.1eut. Conrnand.er ·~~bl.• oaae •• ... • WS.'11 "ter•- w 

a.noti.er i"10.tte1·, bu' 1.a t.ti.e OOUNa o1 ov OOAft1'8a'1oa. \U ..-.. Jeot of the Hebem Uaohln• _.. q. I.19\lt. oo..aAer stable · atrJ.tt""~ that 1- bad nner ••• 1tM tt•....-..i ilo4el &AA a.lked • 

1! I eould •he• him oun. I 414 •• ... !JI \.laa GOU"M ot ... e:r;llanation the problea o;t -.t.a~ MU~ the ...._whHJ. 

machine wh loh 1#he :1&17 1le~A' JIOW -.. la o"'1•r to IAON&M 

the fle,or,ree ot aeou.r1t7 ot l!l••-ae• ••1t>here4 b7 1ta .a.u. -. 

1n.trol1uoed b7 :.tout. c ... at•r ~ft.b1e. I J)Rl)OM4 ~ ld• th&' 

it the 1re;se1" ~' o:t an we.,,.'bl.• w1Jhert.ac--

decl ::;~"c r1Ai~ acuineotloa plale tra \he ,.... of tJ1e !'1'1'~ IDOAel 

were aubst1tut.e4 lt7 aa ~at tHt"'1\\1Jll-., aUppJ.ac Ut• 

.ferent pl.ntew with d.i:tterea• · •aa..tl•• lAM poa1,loa, \bA 

restlt wou.:.d tae 1iha\ MW • ., aa4 US.• oo.m& .. tiOAll •01ll4 be ?O<J~"iible to e9ta'b11ah at will, cp1ctkl7 &ad w1Ul 110 dS.fftO\ll.V• 

I ·1ro:HHtet1 that the a:tpa.ra•ua be ao ~d aa to 'OJ.llm1t of .,_. 

:'lOVint~ th• pta•• &4d al.1pp1ag ••• i1la.t• 1A•• poa1t10A 1A tile 

aarne :Jlaoe 1\ ooov.μ1ea aow 011 the f1ve--..11K>4•1& OI' it wu14 

bo :.,:oaal i>le to h$TO a Ht*ra•• 11ttle bos prcw14e4 wl'h A ••• 

of t1xed contao\a aa4 a ••o.1• ·"for allp;>1.Dc a aew pJ.ate tn•o 

po:sl t1011 at wt.ll. ca.Dlea nca •• •~1a• μroper M thl• plat ... box wouJ.d be &A eaq •t•••· La aa aaal.•eoua -.•rt a r«W.,. able ent17-exl' ooA\l'OU1q pl••• MQ.14 ~ prnld.e4 rer tM . prci;;ent three-wheel :9r1atias m.o&el wb.loll the Jla'fJ' '!le~rt.Mat . has. 'I'ho lat,er ia ~rn14e4 wt•h & ""°lYill.6 baae, the pr14o1pal 

:t'wlct1cn of ~1hioh 1e to prO"ftb tor the -.c1pheri.AC-t•o1phcrtJac 

relatl'>tUJhil) which ia efl'll1'f(lea\ \o tM la••al.11' --bl• 1ll&te 

1.11 the rear or our r1 ..... -. .. 1 rnoa.1. 

I the11 fiu'1rher p.ropoae4 wltll ft:Qeot \.o meh a r-...ci11" re• 

o.<toYn~le entr.r-•xi\ oo.u.aeottoa•co4,l"Ollioc pl.a_. \M' tile 

elcotr1ctJ. conAeot1oa UT1U1ge•AI• OA the pla\e 00\&10. be auoh 

that tho ch&Qgea 14 001ua..Uomt atgM,. M md• all• ·'119 plate l• 

1n . \11 tu, b7 plUB &114 Jaok •J"J."&llS_., or f'ledlale. '°rd oo8'aoh 

@'pp roved for Release by NSA on 09-12-2013 pursuantto E .0. 1352a --------· _ _.j 
REF ID:A273766 

_. ttU ltu. .U.ei1t. COf'-'lllll&tlder _i,~ltle 1A41ca\e4, with rern~'eat 

\o •h•a• ~·ro1>0-.l•, t.hat he ti.nd h1a oqr>\01iJ"&;>h10 atatt bad 

Jft'tloul.1' •l•l"lJ' un4erfl,Oo4 how the aecr907 feature• ooul4 be 

lllPl'OYd 'bi' -41fY148 the m.oh14e ao th.Rt \he ooarMotlou 

•••rolllAc the aut17 ant! ex1' point• of th9 olr>llerJ.nc rwn.bl• 

Uaa eoul.4 lie obaatfed at. wlll qi_,iokl.7 OJlAt tYlth no ~;.1f1"icr.tlt7. 

Lieu.\. Cor·111u14er ~\J.-\1~1• •ta'Od tru..t rq latter ;)roposml conocr.nlnc a JlllC &114 Ja,ok ar~a• or rlexlble oore ooAtftcts hD.d . kea proi)Oee4 prnloWll.7 '7 his Ol7i,'to,;ravhlo atatt, but that 

•he 14ea lla.4 aot be• tu.r'1ler 4.eY•loped o.t t.tv:t tiM na it cli4 

aot &ppear ~ \ala1• tor un:wai. us•, na4 as other i"ee.t1..refl :ror , 1aproT1.QC oenrt '7 "'" Ull4er oons1dul't1tloa wLloh r.-ppekrcC. to 

M altable. Lied. C~er ·;~.ru.bl.e at.at.ml that tV l'I"Of'oa&l. 

•1 a 1tl1tU.ng renoftltl• pl.Ate waa no••l t.o him, ttnt:. r11l, ;ht be pracJi.Ule tor •'hl. 1111•. . 

I p.olo\e4 ou.:t 'he a4T1•la1l1_. ot P190\ootisltt the 1.nt\roata 

ot tlae ~e._..t lA \l&e •ttor, tt.a4 tberef"oro tho substance of' 

the oontere- >aa ,..,. redueed to n-1 ~lng • 

. ... - -~ .... --........... --.......... --.. .. .. ... - ... - .. ... ... - .... - .· 

Naq "nevartMat, 

Cod.• e.ac. 1!1~-1 '.leo\1oa. '~f&llhla.c\OA, ?i.C • 

?he fo"6C)lnc l• a n.ltataa\1&1.11' oorreot Vt)r31on of' tli.e 

cotli'oreaoe hel4. be't.._ Mr. 1'ri•c1.maa a.ad IQ'OOlt. 

;.. ...... ·itr~ble, 

~.1 au•. COMl"lfl.Al"'.. er• t ~. '~. ;; • , 

etn.oer 1a CbartiO, 

Code ri.&14 :;tgA&l ·~':eotioa. 

-ri-