._.. 

REF~~l 

' 

' ... --... --- -.. - HCACCl:A~TE:RS 

ARMY SECURITY AGENCY 

WASHINGTON 2!;, 0 C. 

'WDGSS-14 12 March 1946 

SUBnCT: Eve.luation Studies 

TO: Ass1st.e.nt Chier, Sts.tr 

1. The tit:?e vill soon arrive vhen nearly all the 

available tacts which he.ve anj be~rins on sicnal intelligence activities prior to &nd during th~ last var vill 

hs.ve been &sse~bled. To evaluate thee propprly vill requi.re 

a perr.anent force or capable a.nd·experic~ced people. All 

or life constitutes th:'ee irr·P,vocable, 1irrevere1ble,,. 

successive p~eses,,. viz: The po.st,. the:p~esent,,. and the 

ruture. Ie;norinc anyone of these phases ia e fatsl error. 

Only by a patient and thoroush study of the pa.st can ve 

visely r.a.ke plans in the ~re~~~t for erficien~ operation 

in the .future. 

I . '-

... 

' 

2. All too often the co~bina.tion of insu!"ticient 

personnel spread over too oe.ny operational jobs causes us 

to neglect the proper study or the pa.st. As a result, 1n 

such A situs.tion, everyth~n£ Dot strictly opera~ional is 

orten neg1ected. This tendency v111 beco:e 6reater as ti.me I~ 

progresses end the inevitable decreases in appropriations ~ 

v1ll be felt. The present ~itue.tion at As;.. is good. ~e h.s.ve ~ 

round 1t vortbvh~le to devote time and persor..nel to vr1t1ng ~~ 

,. 

the ASA history. We have prorited by the or;an1za.t1on and 

study or the Ticom :i:r.a.te~ial, both fro: the intelligence a.nd I 

the security vie~-points. fte have taken the time to set do•'ll '-

in •-riting the methods o~ solution or z:::l.ny success.fully ~ 

co~pleted cryptanalytic proble:s. This is progress -- it is l'C\ 

no good for e~eryone to so a~ct.!!ld vith & lot o~ this k:lowledge in h~s be~d, for vhen th.is ie alloved to happen nobody can 

use it except t~e person in questio~. 

3. Let us list the cs.terial tb~t iz available or probably could be cade available ro~ 5tucy: 

e. U~ited Str.tec: 

l

l' 

2~ 3J 

.ASA E.1 st cry-. 

ASA, Div1sio~, s.nd Eranch Reports and rJ.nutes. 

Wire and r::.s.!.l corre~pondence betve~n :.~A.# .. "": "'" .. thea.ter~ ~ end t?'lG rest of the Ar?!!."S .--- · - -.... -; .. ·'- :· . ... .... 

,,,..--~-.:: 

.-

CECRElJ .jl J}kJ'.!.~"'7.~ "':' .. :. 

\ • • A 

f\r)• • 1-f; ~ "! l•/ .I./ ·""" .. 

Declassified and ap~roved for release by NSA on 07-29-2014 pursuantto E.O. 1352rta------

·:::··o:.· .... -•• 
< I 

"") 

. _, 

.) 

4 

5 

6 

7 

8 

9 

(10 

{11) 

REfGEffiEij)A6 9 7 31 

' 

Op-20-G History. Op-20-K & L F...istories. 

ETO SID liisyory. 

k"TO SIS F.istory. 

CBI SIS History. CBB SIS History. 

Mz:.ny individu.e.l Sign~l Radio Intelligence Co:pa.nies 1 histor~es. 

U. s. S~sne:l Intelligence from the foreign 

v1e•-point (fro~ BulletinG and T1com materials) 

b. Axis Povers: 

l) 

2 

3 

4 

g 

. Bulletins. / Tico~ rav ::::.aterial. r : 

Ticon evalua.t!.on studies.! 

CSDIC Re~orts. ~ 

ATIS Reports. f 

SEJ..TIC Reports. 

c. Other Povers: 

Bulletins. 

Liaison Reports. 

4. a. We could co~c up vith so~e prettr good co~pa.risons 

as to hov organizational, operationsl, and resea~ch and develo~­

~ent problems vere handled in the various signal intelligence este.blishments in t~e U. S. Ar~, the U. s. Navy, the United 

Kingdom, Australia., Canada, Germany, Japan, and Italy. 'We can 

learn from the~ all the bad a.nd eood points, and profit thereby. 

b. Similarlj, problecs reeardinB personnel, adm1n1-

strat1on, and trai~..ins, aa vell as problems regarding the 1nterchanseab1lity or knov-bo~ between sisnal intelligence and 

signal security are or great 1~po~tance to us. Other proble~s 

cs.n easily be cited. 

c. In the case of other po•ers, our i.nfor""'....ation vould 

not be so extensive, but 1~ vould all add up. Here ve vould 

not only prorit b~ the exper1ejces or others ~ho are in the 

sace business, but in add!tio~ ve ::i~~t g~in ~ucb in operationa.l 

intelligence. 

5. a. It vill not be loJ:S before the initial reports from the Tico~ section vill be co:pleted {see par. 3b{3)). 

These vill constitute l:!l.~nly appraisal~ o! the organi%at1on 

and successes or Ger::i:.n sign.al 1ntelli~enc~. They v1ll be 

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REF ID:A69731 

GECRElJ 

baaed &li:tost entirely on 1nterro~ation re~o~ts e.~d a very 

rev tra.nslationa. Th& sreat bulk or cicro~~l:s o~ captured 

document6 hs.ve sea.reel~ bee~ ttouched. There ~~11 be a 

tendency to dissolve the T~coc vork1n& broup arter the 1~t1al reports ~re ca.~£, but t~s sho~lc not be done. Itather, 

1t !~ very nece~!ar~ th!.t it co~t!n~c ~nd perhe.ps take on 

ad<!itionAl tielC.s troc the c:.teriel ~€n~ioned in pe.~agra~h 3. 

b. T~t ~c~k of the F~ftor~c~l Un!t is scbeC.~led to 

be completed in the co=.inc 5p-·-e~ c~~t ~r. 3a(l)}. ~~ t~!s 

t1i::e 1 t 1:s scheduleC. to t.e :-educeC. !.'::c::. S to 2 pe::-sozis a·:!los£ 

duty it vill be t~en to get ou~ the ~!:!:....:.:.~ reports. Eere 

e.e;c.!n 1 t 'Wo"U.lC. t:c: '-"!.se to rett..i.:i t~e l.!:".1 ~: s 't its p!'e ser:.'t &trc~~h e.r.d a~si(;!: to !t l!:"~ct. of t~~ i:::.::.~eri~l ou~linec in 

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here c..=.:! lop c!f t!:.t.•:-£, t!;!.r c.ct!,·!t:: .... ~::;.1 cct:tim:.~ tc ~ct::..o:::. It "&'!.11 pey ~o:· !. <.3{:1.!° ::..:. t::-.c lens run zr~nr tu.es 

o·.•t!'. I 

7. ~r.at this e.ll see=s to boil ~o~n to is that ve should 

eist&.bl1sh e.n !r.!'or~tio!l 1:..ncl Resez:.?'.::. ~~c-:ic:: o.::. tb.e J...SA Starr, 

vcich would u...::.:e ove::- tr.e a<.'...!.:'..e= cLlle::. fc:- r.c:·e:, cz:c -..·b.!..cr. ~s=t possibl:r .s.lso U.l:e on··:· the '.:":-r-:::..: !:e:::cc:::-c1: U!:.! t. It 

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St.c.!t nov ~clucee c.11 c~ ~ Gt~tr~l ~~~::•t ~l!.!lct.:'..o~s ~~cep~ 

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these !u:lct~cns to tr.ose o~ th~ D~~~=~~~ cf :o:=:....=..~::.ct~c~c 

Reaoarch s~nce the Di~~c~o~ o~ Co==::=-:c~::o~s Rese~rct ~1~~~er. 

o~e~~tee t~e P-~!~0~1c~l ~r.J..: ~~c i~ c=x.~=::.::~ o~ t~c ~ico~ 

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