TREATIES AND OTHER INTERNATIONAL ACTS SERIES 12-1102.1 

________________________________________________________________________ 

DEFENSE 

Cooperation 

 Agreement Between the 

UNITED STATES OF AMERICA 

and JAPAN 

Effected by Exchange of Notes at 

Tokyo November 2, 2012 

 
 NOTE BY THE DEPARTMENT OF STATE 

 Pursuant to Public Law 89—497, approved July 8, 1966 

(80 Stat. 271; 1 U.S.C. 113)—

“. . .the Treaties and Other International Acts Series issued 

under the authority of the Secretary of State shall be competent 

 evidence . . . of the treaties, international agreements other than 

treaties, and proclamations by the President of such treaties and 

international agreements other than treaties, as the case may be, 

therein contained, in all the courts of law and equity and of maritime 

jurisdiction, and in all the tribunals and public offices of the 

United States, and of the several States, without any further proof 

or authentication thereof.” 
 JAPAN 

Defense: Cooperation 

 Agreement effected by exchange of notes at 

 Tokyo November 2, 2012; 

 Entered into force November 2, 2012. 

 
1 T § L- 00 t ~ FI'f' {ill 1:1: A 

r:::t 0 1& .. 00 13 p 13 -z: jj .. ~ ~ 1=1 

4 tali ~ ~ (J) tz: * no (J) ~ 00 M 

(J) :a:: j}j: ~ .. X 1* 00 ::> ~ $f ~ :a:: 

m iT .. ~ ~ Q ~ A. Iff (J) (J) t 

;E ::> p, (J) /.& ±!: m ~ tz: '* rl'f' 0 /, 

IZ: tc... ~ FI'f' X IPJ & *18 M ;E (J) -C 

£ MJ -;f (J) tz: 1iJf V § L- if" tEl Jg 

-0 1M !J T £ ~ 7 1& .. 00 1i 1: ~ ~ '/ m -0 & ;J. tali f!t ~ ~ It' 

iT :a:: F =. It' V !J tz: WJ J[. (J) WI tc... 

;b iT ~ ~ -C M jJ 1=1 ilt :a:: 5JZ f!t Ln E? fF D A 0 1* fll WJ * It' XI. ~ r:::t 

Q * ,!m J;l. pJ(; A ~ -C £j. & m T ~ lIW r ~ m 00 .. T LJ ;E 0 

L- 1fii! tc... tz: -. n ;E ~ ~ Q '* ~ 

*18 1* * - .. tz: Iff Jt] ~ ~ J;l. * 0 - § '>- Q T- IRJ £ (J) tz: Iff * r gI 

1& ~ ott: + 13 -0 1i: 1* if" ~ 1:1: (J) -. 

,f:P~ IPJ fF. Iz: < '* T * tz: M .. 1M tz: ~ 1iJf (J) ¥i ott: ~ Q ~ !x. D Tilt ~ T ~ IRJ 1:1: t T < A 11 

It' (J) tz: m ~ 1iJf .. (J) Q '>- m Ef ~ ~ 

.. ~ =. n ~ M ~ '>-

~ ;E 3i. * J[. ~ 

13 T ~ tc... tz: D T ~ iJ~ L- + IZ: 1=1 

* Q L- ±!: ~ A Q iJ~ -z: ~ 1m ~ /, 

00 13+ ~ IRJ T m '>- il1J ~ It' fF. T ~ 

~ roo It' 1iJf Q ;E ~ Q f,t. ::> 

-- Q - m ::> ~ ~ tz: :a:: ~ It' 0 

~ 13 ~ 

& J;l. 0 :$ tc... £ !j?f 1im ~ '--' )\.. 

V * r '--' 

~ f,t. -0 tz: .. It' tz: 13 

7 00 -. Iz: tz: 13+ < m lif ::> i3 tz: 

;J. ~ 13+ ilt ~ @j !IDt ;E tt JJj{ & 

!J * ,Iff @j 0 T (J) ~ L- .. J'tIJ T ffi 

j] (J) L- -C Q {t ~ -C ::r;t ~ Q -z: 

Ar:::t T ~ ~ 13 pJ(; ~ It' ~ jf 7t ¥i ~ MIt It' 1fii! * tz: .r-... * :c m i'¥. ~ 

00 1:1: ::> ~ 00 "J (J) T (J) L- '* :a:: ~ 

~ 

.. 0 n ~ ~ 0 It' {ill f,t. if n 

m 'Ijz '--' tc... WI -C Jt] (J) It' L- tc... 

1:1: (J) tz: ,tf!j ~ .. (J) (J) f!t ~lt * 13 .. ~ ~ ¥R ~ - tc... WJ f) T * -

13+ :t3 L- (J) 7 T- MJ :a:: .. 0 00 

liID f) .. X ;J. + (J) .. ~ M ~ 

(J) -z: M ~ !J fF. @j jJIij ~ D 7 

~ il1J ~c :a:: jJ 

- it ~ ,Iff A ;J. - 1fii! f) (J) ~ A 

r:::t ~ :; m iJ~ m !J 

(J) ;t *18 lit ~ + -\' (J) .. ;E jJ 
5 4 3 2 

:;$: Ie Jf&: 00 5 Jf&: t~ 0) t~ 

* J: 1: '>- Jf&: 0 '>- m ~ '>- m- t~ 'tJ) '- '- '-

~ VJ 0) 0) m ~ 0) ~ WI 0) !!!IT 'tJ) Ie 

l:t ff {jf T 0) ~ T 0) § T l:t Ie !Z, , 5 ~ M m ~ M Ffl' t¥J M , ~, ~ -'-'- 0 0) J}. ~.& nm ~ 0) 0) FlIJ l:t ~\ ~ f~ 

~c ~ V 0) *IB ~ m t~ , ~ t~ '~JIf 0) m '>- ;b § nm IE '- 'tJ) M f~ j;f ¥R 

T J}. 0) Q 1& T ~ Ie D fm ~ , 

M V T ~ ;fP~ Q -2;- T A !HI ~ ~ :it<: 

iJ~ :X M fi¥J l:t t~ tr Q m P'l ±I: 

/, fim 

7 ill Ie l:t , 0 !f.f IE -c: IPJ J}. 'tJ) 

;I- l:t £ , 

- , '-'" illf J}. , L- V - V , ---:5 ~ =f- Ie m V 13 -c j;f [iIij jJ .:c.- ~ WI + Jf&: itt J}. M :;$: ~ tt 

A tL ff 1!J' 4=- r:J m -0 V D 00 m ~ 

1ft .7C :b -c: 0) 0) -c tt A J}. T .:c.-

OO tL tL ;b T m ~ *"1 m V Q tL 

Jf&: 0) Q VJ M nm 1: IE 7 0 -f.:' 

m 00 ~ , =. ~.& ~ ~ 0) Ie ;I- tL 0) Ie 0) -c 7 ~ tL ~ £ V 0) FI ;b J: 11 0) ;I- J}. Q m ---:5 jJ 00 

VJ it. 1& V V Q 0 0) < A 0) 

~ r:J 

§t 1: ~ jJ $= ~ 1& 1ft rt:-

* J}. 0) A ~ fi¥J ffrE ;fP~ 00 A r:J 0) Tl 

~ V r 1ft 1& 1-t ~ ..-.. 0) Ie 

tL rt:- -c: 00 t}( ?if. =f- J£: itt 

Q 1$ 13 Jf&: 'tJ) ~ £ :tL ~ -0 

~ 1: :;$: m tJ> 1!f Ie B ~ -c 

A 0) 00 0) G l:t T 3i. 0) t§ r:J , 

Ie m Jf&: m 1ft ~t Q + YJ Ii 

l:t IE m ~.& Q t~ -'-

/" ¥J Ie , Ie J}. 0) 0 !!!IT 'tJ) 4=- ~ ill': '>- 1JE V ;b ~ Ie 0) - 1m #t - '-

~ 

- 0) -0 7 Q ~ 13 j] c T ~ t~ ;I- ~ ~ ffl :;$: - -c Q FI - F.fi T V fi¥J nm ~ 00 + ~ 0 

J}. • jJ l:t *IB tL Jf&: 

- 1illi [iIij - V 0) A , r:J § Q m 13 ~ Jf&: 

;>S2. 

:.x iJ\ 1ft 00 1& ~ ~ Ie tL Jff 

* ~ 00 ~ ;fP~ 1illi 7 JI[ Q l:t 

T ~ Jf&: 1!J' Ie *IB ;I- ffi 0 , 

Q 1~ Jff -c: ") § V -c: ~t ~ 

t~ tJ~ ;b ~ 1& I=l jJ ~ !!!IT 

0) ~ iT Q , t~ A ~ 0) r:J 

M '>- 5 0 

'- 13 ~ 1ft ~ ~ 

r 0 M :;$: iT 00 tL nm 
:{f.- v\ (J) 

7 * fH= -r J)g 

:J. 

-

"* 

- ~ ;h, M 

:; !J -=f ~ T 7P ;O~ 

3 7J + l:t Q 

- jjIjj 

/ A-

- , 7t I=! - jj ~ . $< '¥ 0- ""'- * (J) )ff 

V 00 + 1:: :{f.- ~ rl'l' . !f-f - :{f.- ;;ff )ff (J) 

/v ffrl JI $ L (;: AI=! 

1 ~ 

- L ~ ,t .Xr.. - ,\!l, 

A ;fi a ~ T Q :{f.-

M "* ~;: lh a 

~ m 

r it • Q T PX: ~ ~;: (J) T 

-e ~ :@ Q 

L l:I::: 

J=I 'b , (J) (J) 

a '>-

~ (: '-

* '>-

~ 'Jj.. '-

00 (;: (J) t,t. 

71- :i: a L 

~ tl (J) , 

"* -c 1~ .:c ~ M ---'-- (J) /'\ 

r ~ AI=! 

(;: JI .Xr.. 

lEi" 

" rPJ ;O~ ;O~ 

~, ;0'> ~ M 

"0 l&J r 

1 -c T (J) 

f!fr. Q J)g JO'r. ./ ... ,\!l- fF.f M 

:{f.- ~ (J) 

tv 1f. -e a 

L ~::JJ {t ~ fJ (J) 

T :{f.- a 

",- 0 ;;ff (~ 

1 

T ~::JJ Q fJ 

'b :{f.-

(J) 1:. 

(: l: 

T , 

Q ;0'> '>- "':) '-

(: , 
Translation 

Tokyo, November 2, 2012 

Excellency, 

I have the honor to refer to the Mutual Defense 

Assistance Agreement between Japan and the United States of 

America signed at Tokyo on March 8, 1954 (hereinafter 

referred to as "the MDA Agreement"), which provides, inter 

alia, that each Government, consistently with the principle 

that economic stability is essential to international peace 

and security, will make available to the other such 

equipment, materials, services, or other assistance as the 

Government furnishing such assistance may authorize, in 

accordance with such detailed arrangements as may be made 

between them. 

The representatives of the Government of Japan and 

the Government of the United States of America have 

recently held discussions for the purpose of making such 

detailed arrangements as mentioned above concerning a 

program for the cooperative research on Hybrid Electric 

Propulsion (hereinafter referred to as "the Program"), 

taking into account the exchange of information undertaken 

in accordance with the Memorandum of Understanding between 

the Ministry of Defense of Japan and the Department of 

Defense of the United States of America concerning projects 

for cooperative research, signed on February 17, 2010 

(hereinafter referred to as "the Memorandum of 

Understanding of 2010"), made under the Exchange of Notes 

of the same date between the Government of Japan and the 

Government of the United States of America concerning a 

program for the cooperative research on Image Gyro for 

Airborne Applications and concerning the formulation of 

additional programs for cooperation research under the MDA 

Agreement. The following is the understanding of the 

Government of Japan regarding the results of the abovementioned discussions: 

1. In accordance with the detailed implementing 

arrangements to be made under paragraph 4, the Government 

of Japan and the Government of the United States of America 

will mutually provide information, equipment, and materials 

which are necessary to implement the Program, subject to 

the laws and regulations of each country. The two 

Governments will jointly bear the cost necessary for the 

execution of the Program. 

His Excellency 

Mr. John V. Roos 

Ambassador Extraordinary 

and Plenipotentiary 

of t.he United States of America 
NOTE: This is an unofficial translation provided by the Government of Japan. When the official English translation becomes available, it will be added to this publication.

2. The Program will be undertaken through contracts with 

industries of Japan and industries of the United States of 

America to the extent necessary. 

3. The present understanding will be implemented in 

accordance with the MDA Agreement and arrangements made 

thereunder, including the Agreement between the Government 

of Japan and the Government of the United States of America 

to Facilitate Interchange of Patent Rights and Technical 

Information for Purposes of Defense, signed at Tokyo on 

March 22, 1956. 

4. In order to implement the present understanding, 

representatives of the competent authorities of the two 

Governments will make detailed implementing arrangements 

that will be applied to the Program. The detailed 

implementing arrangements will consist of the Memorandum of 

Understanding of 2010 and a project arrangement. For 

such arrangements, the competent authority of the 

Government of Japan will be the Ministry of Defense, and 

the competent authority of the Government of the United 

States of America will be the Department of Defense. 

5. The financial obligations and expenditures incurred 

by the Government of Japan and the Government of the United 

States of America under the present understanding and all 

arrangements to be made hereunder will be subject to budget 

authorization pursuant to the constitutional and 

legislative provisions of the respective countries. 

I have the honor to propose that, if the above 

understanding is acceptable to the Government of the United 

States of America, the present Note and Your Excellency's 

reply of acceptance shall be regarded as constituting an 

agreement between the two Governments which shall enter 

into force on the date of Your Excellency's reply and shall 

remain in force until six months after the date of the 

receipt of notice of termination by either Government. 

I avail myself of this opportunity to renew to Your 

Excellency the assurance of my highest consideration. 

Koichiro Gemba 

Minister for Foreign Affairs 

of Japan 
No. 0961 

Excellency, 

I have the honor to acknowledge the receipt of Your Excellency's Note of 

today's date, which reads as follows: 

"Excellency, 

I have the honor to refer to the Mutual Defense Assistance 

Agreement between Japan and the United States of America signed at 

Tokyo on March 8, 1954 (hereinafter referred to as "the MDA Agreement"), 

which provides, inter alia, that each Government, consistently with the 

principle that economic stability is essential to international peace and 

security, will make available to the other such equipment, materials, 

services, or other assistance as the Government furnishing such 

assistance may authorize, in accordance with such detailed arrangements 

as may be made between them. 

The representatives of the Government of Japan and the 

Government of the United States of America have recently held 

discussions for the purpose of making such detailed arrangements as 

mentioned above concerning a program for the cooperative research on 

Hybrid Electric Propulsion (hereinafter referred to as "the Program"), 

taking into account the exchange of information undertaken in accordance 

with the Memorandum of Understanding between the Ministry of Defense 

of Japan and the Department of Defense of the United States of America 

concerning projects for cooperative research, signed on February 17, 

2010 (hereinafter referred to as "the Memorandum of Understanding of 

2010"), made under the Exchange of Notes of the same date between the 

Government of Japan and the Government of the United States of 

America concerning a program for the cooperative research on Image 

Gyro for Airborne Applications and concerning the formulation of 

additional programs for cooperation research under the MDA Agreement. 

The following is the understanding of the Government of Japan regarding 

the results of the above-mentioned discussions: 

His Excellency 

Koichiro Gemba, 

Minister for Foreign Affairs of Japan 

DIPLOMATIC NOTE 
-2-

1. In accordance with the detailed implementing arrangements to be 

made under paragraph 4, the Government of Japan and the 

Government of the United States of America will mutually provide 

information, equipment, and materials which are necessary to 

implement the Program, subject to the laws and regulations of each 

country. The two Governments will jointly bear the cost necessary 

for the execution of the Program. 

2. The Program will be undertaken through contracts with industries of 

Japan and industries of the United States of America to the extent 

necessary. 

3. The present understanding will be implemented in accordance with 

the MDA Agreement and arrangements made-thereunder, including 

the Agreement between the Government of Japan and the 

Government of the United States of America to Facilitate 

Interchange of Patent Rights and Technical Information for 

Purposes of Defense, signed at Tokyo on March 22, 1956. 

4. In order to implement the present understanding, representatives of 

the competent authorities of the two Governments will make 

detailed implementing arrangements that will be applied to the 

Program. The detailed implementing arrangements will consist of 

the Memorandum of Understanding of 2010 and a project 

arrangement. For such arrangements, the competent authority of 

the Government of Japan will be the Ministry of Defense, and the 

competent authority of the Government of the United States of 

America will be the Department of Defense. 

5. The financial obligations and expenditures incurred by the 

Government of Japan and the Government of the United States of 

America under the present understanding and all arrangements to 

be made hereunder will be subject to budget authorization pursuant 

to the constitutional and legislative provisions of the respective 

countries. 

I have the honor to propose that, if the above understanding is 

acceptable to the Government of the United States of America, the 

present Note and Your Excellency's reply of acceptance shall be regarded 

as constituting an agreement between the two Governments which shall 

enter into force on the date of Your Excellency's reply and shall remain in 

force until six months after the date of the receipt of notice of termination 

by either Government. 
-3-

I avail myself of this opportunity to renew to Your Excellency the 

assurance of my highest consideration." 

I have the honor to confirm on behalf of the Government of the United 

States of America that the foregoing understanding is acceptable to the 

Government of the United States of America and to agree that Your Excellency's 

Note and this reply shall be regarded as constituting an agreement between the 

two Governments which shall enter into force on the date of this reply and shall 

remain in force until six months after the date of the receipt of notice of 

termination by either Government. 

I avail myself of this opportunity to renew to Your Excellency the 

assurance of my highest consideration. 

Embassy of the United States of America 

Tokyo, November 2,2012 

J-~