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mrom?IDUM rca rira. aa.lllT m1rnowa 

SUBJECT• '5r1et Us\or; or u. ~. ~!~T A.Oti.Yltiu 

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1. 8er9tltth •• ~ b a ftl7 c~ h1s\ol7' ot ._ coa:a .. ni .... •Ucna tn~o (~) aot.1TitJ.• or t.• u. !'!• 

L I\ u MYtsabl• \bat. I mall~ attent.1on to t.M follaw1n.e1 

•• thu hhtoey w m at.ans.Ure u • ot.t1c.ial decment, al.f.ho~ 

l ~ \he infol"C&\1cm it cront&ins 1a auihantic. 

-· tt \he ftorJ' lbout tJw hf7'• ccrcm orpn.h&Ucc md •Until• ~ Mh«r' ....,_. 1n cr.m:r,-.a1"1.tloll witb i:bat. ~ 1be Aftf;f'•• pl.eue ~ ill ldn4 (l) \bat. tbue is• eo tar aa I illl'ft Met! able t.o ascertain, 

• efticlal S&YJ ~ or "-t. OZ'pDi:•t.1.on or '4 1\11 •Udties. ao that 

I eould cc:..'nll.t no cal'fio1al aoe-~ er 4oo~tad. *O'ID"MaJ ml that. (2) 

t.t.. &Ctt1Tit.ia• d "11"".il.t.s ~ \be l«v:Y'• C(l{l'J."T oirpnization -.t 0";<9ftt1cr:is 

~ k~t. ~ M07Gt. ...._ 11Uh:ln t.tio ••v a were• 9IOl'9 or ln• coa- =17 olo..S llooJc to t..'w Attl;Y' vat1l ~ 19)7 a 90 \Oa\. "I' per:tanal ..... of fir Tfl.17 oocwon.i contact.a 1d.th t.hta b.arlll1' attn a coed Quls 

tw W1Ung aut.bm.tic hiator,. Thi oal.7 doc<~t. I was llbla w tird .. 

- lntomal u3 13DOtno.1al, Yeey lni.at htno17, pnparwl Sa drat\ forJA b,J 

c.,.t. L. P. Saf'fa.t"'.'1_ ~.who vu Cb1et or the IU7'• camir orpnt•t.Sm t"ioa 6 Kif' 19)6 ifAt.U lh ~ l.Sl42. Capt.. t"4t'frd wrote ?'Sis dratt. bi._ 

t.r:r s.n Id~ Ui&J,, Wt. Nn'ltd too ·~r.1 ml.J' u:p '° 1o..c.ar19lu.. 

•• u I h'4 Min gl'nn illOl'e u.... tbi• hUtory atpt. b• llbcrter' I 

OI" at 1.-,t. 1t wul.d be a:re C011tplete .. fO't' it would t.. at.ioqe 1t a tw 

tuts pii'\lnent. \o \ha h1stcJ'7 wan not o.it.tc ~ a roa4t. ot tho prusuro ..._. tt.d.ch tt. waa 1Wi\t.m. 

J. Cale ttab Ml•lan now nOt9I' r. t.ri~t 4iAltnc with tm. aot.1dt.ia• 

.t the o~1.c al\ or th• u. :. east 01*'4 du.rin& \.ho da.Y• er t...:w 

-..1. expet1.;Mnt. • Ia 1925 ~ Cout t'luU'd •t.abllwheel a ..U 1&1t. ill ~' haldtd lt7 K1'11. rn..aan mi qon#Ut.ine ot ~M.\. !l&l.t ae.-

,.,sa:uJ.. to ..in 1"1410 t.ratt1c or 'the ~~ra operatilag SA u. s. 

llttrhl aters. The eout. Cl'~ b'J!lt:. Yp an ·~.Uent. 1t:lt4:reept anl.oe ~ ~ 1"'1'J>OO••_ Tho SDtwee;>\ aerrio• w t.ae el")'Jrt.analyi.lc ct eon-

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Declassified and approved for release by NSA on 06-16-2014 pursuantto E _Q _ 1352a 

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Jleo. tor Hr. Grant Manson - subj 1 Briet H1sto17 ot u. s. COMilf.l' Acttvi:tiea 

tinuecl to operate nan atter 19.33. workin& on the trattic ot other UUcit 

operations, cbietl.y those ot narcotics mn.ugglers. ShartJ¥ alter Pearl 

Harbor the Coast Guard becam.e an integr~l part of the t!avy am 1 ts crypt-

~yt~ ~t ~~ JUC!f~ t.o_ ~h,_e lt•v.r Communicatf.ons Annex {Nebraska A.Venue). 

Th.is unit was mpt intact am worked upon Clandestine traf'.f'ic • largely t.'1.at 

ot German secret agents sent to or hom the western Hemisphere. soon aft.er 

V-J Day, this unit di4 not go back to the Coast Guard but was ciemobUiSod. 

Currently,, the Coast. Guard conducts no cr,yptanal;yt.1.c act1T.Lti.ea,, the la17 

bAVl.Pl:. """~ "°pons1b1J.i t;y tor such as Jlli&ht be requested by the Coast. Cue.rt(. -I do o,ot.. ~lion tba.t cry- such requests have been made to date. 

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