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40027753-001-0028
National Archives and Records Administration
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Intelligence summary
Wernher von Braun provides a rational explanation for the majority of UFO sightings, attributing them to various known phenomena while expressing skepticism about the remaining unexplained cases.
Tags & topics
Eyewitness AccountsScientific ExplanationSkepticismUFOs Eyewitness TestimonySkepticismUFOWernher von Braun
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Jun 15, 1958
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Jun 16, 2026
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Ingestion Date for 40027753-001-0028
Jun 16, 2026
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Document Record Date for 40027753-001-0028
Jun 16, 2026
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3,439 characters, transcribed via OCR. Errors reflect the source scan. Compare with the original ↗
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Extract from Wernher von Braun’s book First Men to the Moon,
Copyright 1958, 1959, 1960 by Dr. Wernher von Braun, published
by Holt, Rinehart and Winston of Canada, Ltd.
‘‘Question: What is your opinion on ‘U. F.O.’s’ ?””
‘‘Answer: There is a rational and rather straight-forward explanation for the great majority of ™
‘sightings of unidentified flying objects,’ or ‘flying saucers,’ as they are more familiarly called. >
During the last ten years, official U.S. investigators have tabulated about six thousand ‘sightings.’
They could account for all but two per cent as belonging to any of the following categories:
High-flying balloons of various kinds
High-flying aircraft illuminated by the sun after the sun had set on the ground
Nightly ‘Fata Morgana’ type reflections in the atmosphere of distant light sources on the
ground
Artificial satellites of U.S. or Soviet watery
Meteorites and fireballs
Birds
The planets Venus or Jupiter
Searchlights illuminating cloud layers
Hoaxes perpetrated by pranksters
S3AIHOUW “IVNO!
‘
Even the most ardent believers in flying objects of extra-terrestrial origin will usually concede
that most reported ‘sightings’ can be traced back to one of these sources. But it is that unaccounted
tw per cent that makes enthusiasts cling tenaciously to their conviction.
|
' J cannot account for the mysterious two per cent, either. But a lifetime spent with testing of
guided missiles has taught me to be extremely careful with eye-witness accounts on rocket firings
running into some in-flight trouble. Of three experienced observers questioned after a typical mishap,
one swore that he clearly Saw a part coming off before the rocket faltered; a second hotly denied this
but claimed that the missile oscillated violently before it veered off the course; while the third trained
observer Saw neither a part coming off, nor an oscillation, nor any veering off the course but insisted
that the rocket was flying perfectly steadily untilit was abruptly ripped apart by an internal explosion.
Such contradictions in the eyewitness accounts of old rocket men are by no means an exception; ~
_we are almost invariably confronted with this situation. Yet, we are dealing here with experienced
observers who not only had seen many firings, but who had the great advantage of being mentally
prepared for the imminent test.
For this reason, I am highly skeptical about the objective of any ‘sighting’ report of a fleeting,
mysterious object in the sky submitted by an equally surprised and unexperienced observer. And
those unaccounted two per cent of U. F.O.’s absolutely fail to raise my blood pressure. To me, ninety-
eight per cent is a mighty good batting average. I wish we could account for ninety-eight per cent of
what we observe in many other fields of human endeavor! Yet, ever since the Middle Ages it has not
been customary for science to call on ghosts or witches - or little green men from Mars - whenever
we are confronted with a phenomenon for which we do not yet have a satisfactory answer.
To those who, either through personal observation or through hearsay based on other people’s
accounts, still insist that objects of extra-terrestrial origin are roaming through our atmosphere, I
can only say that I have never seen such an object and cannot believe in their existence until I do.’’