Project Twinkle Final Report, November 1951

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ct:ASSIF ~::
this could be done by Land- Air at the additional oxoense in the r..ear
future when the uork load diminished . hr . h.ott requc:stc foraal
authorization to do this and .~.aj ar .uoty agreed to issue this letter
of authorization . It was arranc;ed further that at such time uhen
the study is completed all hotographic and tape recordings would
be sent to the Geoohysics Research Jivision . Prior to departing
HAFB , the projec t files were r eviewed . ~jor uoty advised ~hat
access to the fi l es had not been r equested by any periodicals .
On 28 Augus t 19jl, the subject \>Tas discussed informally with
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Dr . Lincoln La Paz , who expressed disbelief in all aerial phenonena
except for the green fire- balls . The r ed fire- ball occasionally re-
ported he believed ,.,as the visual after-effect of the green . Their
recent oripin (1947) and peculiar trajectories did not, permit , accord-
ing to Dr . La Paz , them to be cla ssed as natut·al phenomena . .~.he
most recent that has co~e to his attention occurred over Detroit
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on ? July 1951 . It crossed tne city from Horthwest to Southeast
with a sharply descending trajectory which leveled out and '\·n.. s
observed by many r esidents of the city. Dr . La Paz exryressed the
opinion -chat the fi r eballs may be of our oHn rri.litary oririn, but
if not , they are a 1:1atter ot· serious co!luern .
5. Conc.lusions
Undoubtedly, a gooa many ot· the observations reported are attri-
butable to ordinary man- made objects such as air'Jlanes , balloons , sm.oke
rockets , etc . It apoears that balloon observations especially are re-
soonsiole for a large ntu'loer ot· the reports . 'ihe possiu~li ty of snall
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DOWNGRADED "AT S YEAR INTERVALS •
DECLASSIFIED AFTER 12 YEARS. '
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LASSIFIED
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DOD DIR 6200.10
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