MEMORANDUM FOR CHIEF, AIR INTELLIGENCE DIVISION
SUBJECT: Analysis of Flying Object Incidents in the U.S.
1. As directed by Cover Sheet, dated 27 July 1948,
subject "Pattern of Flying Saucers," a study was commenced
to determine the tactics of flying objects and the probability
of their existence.
2. The attached study "Analysis of Flying Object
Incidents in United States," has been compiled in an attempt
to answer the questions.
3. An exhaustive study has been made of all information
pertinent to the subject in this Division and the Intelligence
Division of Air Materiel Command. Opinions of both
aeronautical engineers and well qualified intelligence
specialists have been solicited in an endeavor to consider
all possible aspects of the questions.
4. Because the subject matter is of such an elusive
nature, this study is presented as a preliminary report to
be reconsidered when information on hand warrants it.
5. Tentative conclusions have been drawn and are as
follows:
a. It must be accepted that some type of flying
objects have been observed, although their identification
and origin are not discernable. In the interest of
national
defense it would be unwise to overlook the possibility that
some of these objects may be of foreign origin.
b. Assuming that the objects might eventually be
identified as foreign or foreign-sponsored devices, the
possible reason for their appearance over the U. S. requires
