UAP Reported at Sandia Base, 1948-1950

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DEPARTMENT Of" THE AIR f"ORCE
..
HEADQUARTERS UNITED STATES AIR FORCE
WASHINGTON
T H E: I N ■ PCCTOR QIENE A:A\. UaAr
17TH D I STRICT Of'FI C E
OF S PEC I A L
I N VESTIOAT IONS
K I N:TL. N O AIR ,.O R CI: IIA■ lt, N&W M &>llCO
DR/ms
File llo :
(24- 8)-28
25 I.iay 1950
SUBJECT:
Summary of Observations of Aerial Phenomena in the New
Mexico Area, December 1948 - Uay 1950
TO:
Brigadier General Joseph F . Carroll
Director of Special" Invest.i gations
Headquarters USAF
Washington 25 , D. c.
1.
In a liaison meeting with other military and government intel­
ligence and investigative agencies in December 1948, it was determined
that the frequency of unexplained aerial phenomena in the New Mexico area
was such that an or ganized plan of r eporting t hese observations should be
undertaken.
The organization and physical location of units of t his Dis­
trict were mo~t suitable for collecting these data , t heref ore , since
December 1948, this Distriet has assumed the responsibility for collect­
ing and r eporting basic information with respect to aerial phenomena
occurring in this general area.
These r eports have been distributed to
the Air Materiel Connnand, USAF , in accordance with Air Intelligence
Requirements No . 4, and to other interested military and government
agencies .
2.
Ther e is attached. as a part of this summary, a compilation of
aerial phenomena sightings that have occurred mostly in the New Mexico
area and have been reported by this District Office subsequent to
December 1948.
This compilation of sightings is not a complete r ecord
of all reported observations, but includes only those in which sufficient
information was available to justify their inclusion.
The observers of
these phenomena include scientists , Special Agents of the ·Office of
Special Investigations (IG) USAF , airline pilots , military pi lots , L:ls
Alamos Security Inspectors , military personne l . and many other persons
of various occupations whose reliability is not questioned.
This com­
pilati on sets forth the most important characteristics with r espect to
each observation and evaluates each sighting into one of thr ee classifi­
cations , (1) green fireball phenomenon , (2) disc or variation, and (3)
probably meteoric.
3.
There is a lso attached an analysis of the green fireball
occurrences in this area made by Dr. Lincoln IaPaz .
Dr . La.Paz is the
NW 91526
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