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'fOP~ A605~ 

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USCIB: 29.17/23 ltANBH!l VIA 00MXN'f SllA:NNBLS ONI:.¥ 

11 April 1955 

EO 3 . 3 ( h) ( 2 ) 

PL 86-36/50 USC 3605 

MEMORANDUM FOR THE MEMBERS OF USCIBEC: 

Subject: COMINT Relations with D 

References: (a) uSCIB 2}l.17/1S dated 2S February 1955. 

(b) USCIB 2}l.17/21 dated 9 March 1955. 

1. The enclosure, received in reply to USCIB 1 s message to LSIB on 

the above subject, is forwarded for information. USCIB1 s message as 

proposed in reference (a) was approved by reference (b). 

2. It is felt that the members may wish to discuss the enclosure, 

and it is being included on the agenda for the 2Sth meeting for this 

purpose. Should any member have comments which he wishes to have 

distributed in advance of the meeting it is requested that they be submitted to this office as early as practicable. 

Enclosure 

USL0-32Jl dtd SO Mar 1955. 

USCIB: 29 .17/23 

Declassified and approved for release by NSA on 05-01-2014 pursuantto E.O. 1352a 

TOP SECRET 
• ·~60511 

OFFICES OF THE 

SENIOR UNITED STATES LIAISON OFFICER 

LONDON, ENGLAND 

MEMORANDUM FOR THE EXECUTIVE SECRETARY, USCIB 

INFORMATION: Director, National Security Agency 

SUBJECT: Comint Relations with I .... ___ __, 

Reference: (a) LSIB/28/55, 21 Jan 55 

(b) WL-189, 091453Z Mar 55 

USL0-329 

30 March 1955 

)•EO 3.3(h) (2) 

•PL 86-36/50 USC 3605 

1. The London Signal Intelligence Board/has noted with pleasure the 

extent to which the U.S. elCrnnnnmi ca~ions Intell. iigen .• ce Bo. ard is able to 

provide equipment for th . !, and is grateful for the offer of the 

items in Paragraphs 3(b), (d) and (e) of LSIB/28/55. !t confirms that 

AN/CRF 2A's are entirely acceptable and wolil.d bemost welcome in place of 

the SCR-29l's requested in paragraph .3(f) 0 of referenced memorandum. 

2. LSIB appreciates USCIB 1s diffiQ'lJ.lties over equipments in short 

supply and is therefore the more appreciative of the offer of AN/APR 4's 

(or the equivalent) in lieu of the AN/APR 9's requested. in Paragraph 3(a) 

of LSIB/28/55. LSIB confirms that these equipments are required partly 

for Comint purposes (and that they are necessary to successflJ.l Com.int 

negotiations) and considers that theJ t could make valuable use for 

these purposes of four such equipments (plus spares). 

3. LSIB also appreciates U$0IB1s position in respect of equipment 

pre-empted for Elint requirements/ over which USCIB has• no cognizance. It 

is aware of U.S. pl;s and arr.·fl·.n·· .geinents for the supply. of equipment for 

Elint purposes to th~ J and, in the light of USCIB 1 s comments, will 

in future deal direct with the/cognizant U.S. authorities in matters concerning the supply, and means/of delivery, of equipment primarily for Elint 

purposes which the I jma.y request the U.K. to obtain from the U.S. 

4. It would be appreciated if, as suggested in Paragraph 2 of WL-189, 

the Director, NSA, were authorized to deal with the Director, GCHQ, in the 

consigrnnent to the U.K., for onward transmittal to thel I, of the 

equipments covered by Paragraphs 1 and 2, above. It would also be appreciated if USCIB would agree that, in respect 0£ future equipment requirements for the I !for Comint purposes, the Director, GCHQ, should 

negotiate :initiallY with the Director, NSA. 

Enclosure with USCIB 29.17. 123 dtd 11 Apr 1955. 

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(Signed) WINN F. ZELLER 

Lt. Colonel, USAF 

Deputy SUSLO, London