REF ID:A488874

- Declassified and approved for release by NSA on 11-07-2013 pursuant to E .0. 1352a

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HEADQUAR ~.JJA~MY i~~~v~k~~b~c~s SPSIS-J OFFICE OF THE CHIEF SIGNAL. OFFICER

WASHINGTON 25. D. C.

15 September 1944.

~tor Colonel Carter W. Clarke.

SubJeota Traaalatioa .

l •. Exhibit l - Origiaal t.ranalation, b7 la..,-, ot Toqo Cil'oular lo. 24091 71 loTnber 41, aet.t.in& up the so-ealle4 8 81.op Code•, i.e., •hidden word. or aisleacU.ag la.a.pa&• tel•ll"U••. The lDth code word, HATTORI, waa tranelat.e4 as •Relation• between lapa.n and. ••• (blank) ••• are aot in aooorduoe dth expeot.a"ion•. (Thia t.raulatioa na in errors see Exhibit ,.)

2. Ezhibit 2 - Photostat at original intereept of Toqo Circular n_..J;lµ. ·.

lo. 2494, Toqo rue date t.1.aes 7 Dec•ber 1941 at 2050 ......i'lehiagtoa I ~ date t.1me 7 Deoelaber at 0650 E.s.r. The message us iAtereept.ed .b7 \ 01

lavy at.at.ion at Baillbridge Island, begirw.ing at 0708 {l.S.T.) and tin- l iahing &t. en 43 beRUS8 Of BUllber Of addr8S868 1a Cil"fNlar • 'l"De •S81l£• 9-c- ~M wae tornrded b,- wletype and probably received 1a Waahingt.oa, D. c. ~°'4 )1.1'"6 ri......­(oP-20-GI) abcNt 0900 ad •deoodect• t.bere aboltt. 1020 oa 7 Deceaber 41. ~.17;,J'n

). Exhibit ) - A •\.raightto"ftrd traaalatiOJl of Sxhib1t 2 u it. ""'"~j wc.ul.d be aad.e b7 one not party to the 3eoret coc:t.. (~ ~· Jl ~l~ nn, ,

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4.. lxhibit 4 - Copy ot_ translatioa -.de b7 •,,,- (JI>-11 7148 s SIS n58'6}, in the light or it.a data in Exhibit l. The traulat.1cm ot t~4ea oode• '90rd li,lAJIAGI na omittedJ t.be traael.a.t..ion ot the word llA.tTORI ns eaatly aa given 111 Exhibit 1 and •• \Mr9t'0r4t. ~ erroaeou 1n both pll'<cea, Exhibit l aad h.bibit 4. ~\~ ~~ ., .»a<..141.

S. lxhlbit ' -:- The eorrfft t.rualation ot the aeaaiag ot the word HlTTOftl as it ahoald. hr,ve betm t.raaalated in h:hibit l..

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From: Tokyo To . : Washington 27 November 1941 (Jl9)

REF ID:A488874

Circular #2409 (In 4 parts, complete)

Rio de Janeiro to S&ntiago as Circular #324.

(Washington sent to Ottawa, Mexico City, Bogota, Caracas~ Havana, Panama, New York, and New Orleans as unnumbered message.)

(Part 1)

Handle as Chief of Office routing.

With international relations becoming more strained, the following emergency system of despatches, using INGO DENPO {hidden word, or misleading language ·telegrams) is placed in effect. Please study this carefully.

Make up a table with the left column containing the code words and the right the corresponding plain (decoded) text. Please see that there is no mistake in transcribing this.

EXAMPLE: A message meaning:

"iai8'n and u.s.s.R. military have clashed , will read:

"HIJIKATA and KUBOTA, clerks, have both been ordered to your embassy on 15th (begin spell) S T O P (end spell)." ·

In order to distinguish these cables from others, the English word S T O P will be added at the end as an indicator. (The Japanese word "OWARI" (end) will not be used.)

1Part 2} coae Word . . Meaning

~' . ,\?-!~.' ,>< A_R_IMU_RA _________ :_· _c_o_d_e_c_o_mm_un1_c_a_t_i_o_n_s_p_r_o_h_1_b_1_te_d_. __ _ .r "\ : ~~ ~ ASAI : CoDDD.unications will be by radio

• SIS 25609

JD-1: 6985 -ii

ASAKURA

'ASIKAGA

: broadcasts • . , : Will communicate by radio broadcast. ; You are directed to listen carefull1.

Reception or overseas broadcast Impossible due to interference.

(con~ued) (Y) Navy Trans. 12-2-41 (7)

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Code word

AZUMA

EDOGUTI

HANABUSA

HANA~NO (?)

RATAKEYAMA

HATTORI -

(Part 3)

HIZIKATA

{IO SINO

IBARAGI

INAGAKI

ISHIKAWA

KASHIWAGI

KOBAYAKAWA

SIS 25609

JD-1: 6985

REF ID:A488874

Meaning : : Pressure on Japan increasing ! continually • • .

Prepare for evacuation.

Preparations for evacuation have been completed.

Prepare to entrust Embassy property to suitable foreign envoy (or consul) there.

Relations between Japan~and ••• : ••• (blank) ••••• have been severed • . .

• . Relations between Japan and ••• ••• (blank) •••• are not in accordance with expectation •

.... Japan's and ••• (blank,.) ••• military

: forces ha<e clashed.

: Japan and ••• (blank) ••• are entering a : full fledged. general war;,-

: Communicate to us probable date of : breaking off ot relations between : Japan and the country to which 1ou : are accredited • • . : Have you : matter? . .

? - the ••• (blank) •••

I have - -?- the ••• (blank) ••• matter. . . : We are commencing military action ?

against ••• (blank) ••• • . : Stop issuing all entrance and : transient visas to Japan, to persons : of o •• (blank) •• •' :nationality.

(continued) (Y) Navy Trans. 12-2-41 (7)

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' Code Word

KODAMA

KOMIYAMA

KOYANAGI

KUBOTA

KUR IBARA

KUSUNOKI

MATUTANI

(Part 4)

MIN AMI

MIWATA

MIYAZAKI

MOROKOSI

MOTIZUKI

NAGAMINE

NAKAZATO

NAN GO

NEGI (?)

OQAWA

OKAMOTO

OKUMURA

ONIZUKA

OlVADERA

OTANI

ONISI

SIS 25609 JD-1: 6985

REF ID:A488874

Meaning

Japan

; China . . • . England

: u.s.s.R. . . France (?)

: Germany

. . . . . .

. .

Italy

Canada

Mexico

Brazil

Panama

: Argentina

: Thailand

: French Indo-Ch1na

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:

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Netherlands East-Indies

Burma (?)

Malaya

Australia

Union or South Arr1ca (?)

Enemy country

? (Possibly: friendly, or allied country ?)

Year

(con~lGlf;JJY) Navy Trans. 12-2-41 (7)

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• Code Word

SIMANAKA

SAKAKIBARA

SIGENOI

SANZYO

I TIRO

NISAKU

SANTARO

YO I TI

GORO

• MASAROKU

SIMETAR?r

YASOKITI

HI SAMA.TU

ATUMI

.SIS 25609

JD-1: 6985

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REF ·.ID :A488874

. Meaning . • ' Day (?) • . :

Tsuki) Month • . . (K?r) Paragraph .

(Toki) Time . . • 1 . . 2 . . 3 . . . . 4 •

5

6

: 7· ll

8

• 9 . . . : 0

(Y) Navy Trans. 12-2-41 (7)

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EXHH·I'I' J

Since it is ,, matter or c cnvenienoe in orge.nizin1.1· c)Ur "fork, we would like Direotor K,)YANA.GI to let us know by wire as soon ~s ?Osc-;11 le the emount granted as a fund for the establishment of a memorial library in honor of HATTORI liINAMI. ~~

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REF ID :'A488874

From: Tokyo To : (Circular telegram) 1 December 1941 (Plain Japanese language using code names)

Circular #2494

Relations between Japan and England are not in accordance with expectation.

SIS 25856

JD-1 y '\ \\.\.J {M) Navy Trans. 7 December 1941 (STT)

r REF ID:A488874

EIHIBIT '

HATl'ORis Relations between Japan and are hoverin{; r.m the edge of catast.rophe C.2t~ are h"peless, impo.;.siLile, on the brink of ruin, !lt the very edge ot" the pr,eo1p1ae, etc.}

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REF ID:A488874 EXfilUT 6

* This i' a liter&l translation of l!r.AI NI hlN SU. However, in the light of the translation of the word illllllediately preceding HA.1''I'ORI in the "Stop Code•, it, is perh.s.ps permissible to t.ra.nslate the expression as "h.nve reached the very urink or the precipice", or "'ire hopeless with no chanee of repair•. The ex;iression K.!TAI NI HIN -SU is a yery strong one in Japanese. ·

KOSHI PANAMA.

URGENT ~KOYANAGI RIJIYORI SEIRINOTUGOO ARUNITUKI

HATTORI MINAMI KINENBUNKO SETURITU KIKIN01KYOKAINGAKU ~·

Sll\YUU DENPO-O ARITAS,<'STOP'!-- TOGO' . arjit' f~ I ~ . . -

~ · S..~ ~ .A { .. ii/i'?s; ~ ot 0 % ~ •I lJ.£.'' (;/. f-1, ,,,

td~.5. -11 •• JA, / }J· . 1'-" r-~ ~ s' JP~ ti 1< r' f...

S 387 /7 85~ GR29 -=--/ . & v ~ OBESE OVALS RPWMO RFNMO RTJMO RWFMO GNOMEfo~\ .,.-oll~O i<oS~I . . . "lt-Jl

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REF ID:A488874

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,------~ ------- -----~- """REF ID :A4888/ 4- - - -- -- --- -"~: ··

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SF DE JAH S 7 DEC 41 5652 622 S TOKYO 19 7 8508 JG KOSHI HAVANA

623.S TOKYO 19 1 85~8 JG RIYOJI HONOLULU

624 S TOKYO 19 1 85¢ JG RIYOJI NEWYORK

625 S TOKYO 22 1 85~S JG JAPANESE CONSUL VANCOUVER

626 S TOKYO 22 7 65¢S JG JAPANESE MINISTER OTTAWAONT

( SAME TEXT AND SIGN AS OUR NR5651 )

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1220 JP 763,

REF ID:A488874 SF DE JAH ~ .. . ·s 7 lJEC 41

627 8 TOKYO 19 7 65¢8 JG RIYOJI SAN~RANCISCO

628 S TOKYO 19 7 8508 JG RIYOJI PORTLANDORE

629 S TOKYO 19 7 85~S JG RIYOJI SEATTLE

63~ S TOKYO 19 1 8508 JG RIYOJI .NEWORLEANSLA

631 S TOKYO 19 7 65¢8 JG RIYOUI CHICAGOILL

632 S TOKYO 19 7 850S JG RIYOJI LOSANGELESCAL

( SAME TEXT AND SIGN AS OUR NR5651)

. . . .. ~ .. - . :·.:, ...... .

5653

1243 JP 763'/J

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REF ID:A488874

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