FREEDOM OF INFORMATION ACT DOCUMENT FILES 
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NATIONAL SECURITY AGENCY 

CENTRAL SECURITY SERVICE 

Fort George G. Meade, Maryland 20755 - 6000 

Serial: Q4-072-87

27 January 1987 



The Honorable John Glenn 
United States Senate
ATTN: Mr. Mark Frondorf 
SH-503 Hart Senate Office Building 
Washington, DC 20510


Dear Senator Glenn: 

This responds to your letter of 7 January 1987 on behalf 
of your constituent, Mr. Clifford E. Stone ( Enclosure 1 ). 

The National Security Agency (NSA) has received numerous 
Freedom Of Information Act (FOIA) requests for information 
pertaining to UFO incidents. Our records show that Mr. Stone 
has submitted six such requests over the past 7 years. One of 
those requests was for the information mentioned in paragraph 2 
of his letter to you, the UFO incident at RAF Woodbridge Base. 
In our 1 February 1984 response to Mr. Stone ( Enclosure 2 ), we 
notified him that the estimated manpower and computer search
costs involved in locating records responsive to his requests 
were $250.00. We advised him that, upon receipt of half that 
amount, a search would be made. Mr. Stone did not respond to 
our letter. 

Regarding the information in paragraph 1 of Mr. Stone's
letter, we have no record of receiving an FOIA requests for 
documents dealing with a UFO destruction of a Cuban MiG-23. 

Paragraph 3 of his letter ask for NSA analysis of the 
document he attached. It appears to be an Air Force document. 
The project names which are referenced, Sigma and Snowbird, are 
not NSA projects. We have no knowledge of the information 
contained in the document. 

The subject of paragraph 4, project Aquarius, has been the 
subject of numerous FOIA requests. Apparently there is or was 
an Air Force project by that name which dealt with UFO's. 
Coincidentally, there is also an NSA project by that name. The 
NSA project does not deal with UFO's. We believe that the 
confusion on this issue results from an FOIA requests submitted 
by another person with interest in UFOs, Mr. Christian Lambright.

Mr. Lambright requested all information on the NSA project 
Aquarius, apparently believing that the project pertain to UFOs. 
We advised Mr. Lambright that our project does not deal with UFOs. 
He then requested records revealing the "goal" of Aquarius, and we 
withheld the document because it is classified. We have reason to 
believe that our final response to Mr. Lambright, denying him access 
to the records, has been disseminated within a circle of those 
interested in UFOs and that subsequently a misunderstanding has 
developed regarding NSA, Aquarius and UFOs. 

In responding to general FOIA requests for UFO information, 
certain documents have been withheld from the public pursuant to the 
first and third exemptions of the FOIA. The first exemption
provides for the protection of information which is currently and
properly classified in accordance with the provisions of Executive 
Order 12356. The third exemption protects information from
disclosure by statute. The statutes applicable in this case are 
50 U.S.C. 402 note ( Public Law 86-36, Section 6 ), 50 U.S.C. 403(d) 
(3) and 18 U.S.C. 798. This Agency's decision to protect those 
records has been upheld by the United States Court of Appeals for
the District of Columbia.

We hope that the information being provided to you will be 
of help to Mr. Stone. 

Sincerely, 

Julia B. Wetzel

Director Of Policy 


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