DISCLOSURES OF U.S. INTELLIGENCE METHODOLOGY

• Document Type: CREST
• Collection: General CIA Records
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79T00429A000100110002-5
• Release Decision: RIPPUB
• Original Classification: S
• Document Page Count: 4
• Document Creation Date: December 12, 2016
• Document Release Date: October 4, 2000
• Sequence Number: 2
• Publication Date: March 29, 1963
• Content Type: MEMO

Approved For Releas4,2001/0N's(; gtDP79T00429&0001001100 -( a
SC No. 03666a/63
29 March 1963
MEMORANDUM: Disclosures of U. S. Intelligence Methodology
I wish to invite your personal attention to the attached
intelligence "damage" assessment, which describes the extent
to which public disclosures concerning the Cuban missile crisis
have exposed U. S. intelligence sources and methods.
This study reaches the obvious conclusion that U. S.
intelligence collection ability has been impaired by these dis-
closures.
It is my hope that no further disclosures will be
necessary. If, for policy reasons, certain information must
be made public, I urge most careful consideration be given to
the consequences and that the Director of Central Intelligence,
who is charged by statute with the protection of intelligence
sources and methods from unauthorized disclosure, be given
an opportunity to comment prior to the action.
JOHN A. Mc CONE
Director
Attachment
THE APPENDED DOCUMENT CONTAINS CODEWORD .MATERIAL
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THIS DOCUMENT CONTAINS CODE WORD MATERIAL
WARNING
This document contains classified information affecting the national 7
security of the United States within the meaning of the espionage
laws, US Code, Title 18, Sections 793, 794, and 798. The law prohibits
its transmission or the revelation of its contents in any manner to
an unauthorized person, as well as its use in any manner prejudicial /
to the safety or interest of the United States or for the benefit of any
foreign government to the detriment of the United States.
THIS DOCUMENT MUST BE KEPT IN COMMUNICATIONS
INTELLIGENCE CHANNELS AT ALL TIMES
It is to be seen only by US personnel especially indoctrinated
and authorized to receive COMMUNICATIONS INTELLIGENCE
information; its security must be maintained in accordance with
COMMUNICATIONS INTELLIGENCE REGULATIONS.
No action is to be taken on any COMMUNICATIONS INTELLI-
GENCE which may be contained herein, regardless of the advantages
to be gained, unless such action is first approved by the Director /
of Central Intelligence.
CROUP I /
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CLASSIFICATION
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