Project Twinkle Final Report, November 1951

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Ltr ERH to CG, AMC Subj: Report of Cotlference on "Green Fireballs''
(Project Grudge)
5. It was the conclusion of the group present at the meeting that
the present information on the phenomena was not sufficiently quantita-
tive and objective to all ow any profitable scientific consideration .
Instrt~ental observations (especially photogaphs, triangulation, and
spectroscopic ) were considered as essentj.al .
6. Dr . Joseph Kaplan, who was officially representing the Scientjfic
Advisory Board, USAF at the medting, plans to report the problem to the
next meeting of the Board (2 and 3 November)l949) with the reconnnendation
that the USP~ provide a suitable investigation of the phenomena using the
Geophysical Research Directorate, Air Force Cambridge Research Laboratorjes,
AMC as the agency ~or the project .
1. It is t he opinion of this office that the Geophysical Research
Directorate, AFCRL, is capable of performing the required investigation
(by photographic and spectroscopic means) provided that necessary funds,
personnel authorizations and equipment are provided . Inasmuch as the
phenomena appears to be atmospheric in nature, such an ass i gnment is
considered appropriate.
FOR THE COMMANDING OFFICER:
3 Incls:
1 . Sunnnary #1
2. SwtUnary 1~l2 ( in dup)
3. Personnel at mtg
cc: Major D . Crowson, Hq USAF
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JSJ Frederic C. E. ODOR
Major USAF
Acting Director
Base Directorate for
Geophysical Research
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c0 p
y
eps
UOWNGRADED AT 3 YEAR INTERVALS :
DJDCLASSIFIED AFTER 12 YEARS.
DOD DIB 6200.10 .. ........ . ... ,.
UNCLASSIFIED .
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