PROJECT BLUE BOOK

UNIDENTIFIED FLYING OBJECT CASE FILES · 1947 – 1969

CASE REFERENCE9613814

DATE OF SIGHTINGFebruary 1950

REPORTED LOCATIONLos Alamos N M

FRAMES4

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Transcribed Frames

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FRAME 002 / 004tesseract-200dpi

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: DEPARTMENT OF THE AIR FORCE c f
HEADQUARTERS UNITED STATES AIR FORCE Ti)
WASHINGTON . ——_*
CLASSIFIED ?
UN THE INGPESTER GEueaar. vear
177m GISTRIGT GFFIGE GF BPECIAL INVESTIGATIONS
RIGTLAWS 21:8 PUREE GAGE, NEW MEKICG
DR/pe
File No: (24-8)=22 15 March 1950
SUBJECT: UNIDENTIFIED AERIAL OBJECT
Fireball Sighted at Los Alamos, New Mexico,
at 1555 hours, 25 February 1950
SPECIAL INQUIRY - Unconventional Aircraft
TOs Commanding General
Air Materiel Command
Wright-Patterson Air Force Base
Dayton, Ohio
ATTN: MCIAX0-3

1. Reference is made to previous Reports of Investigation from
this office relative to observations of unidentified aerial phenomena.

2. Attached is one copy of a Report of Investigation by Special
Agent CRISTINO B. GRIEGO, this office, dated 7 March 1950, subject as
above. ;

Se Investigation of unidentified aerial phenomena is continuing
in this office and copies of all future reports regarding observations
of this nature will be forwarded for your information.

1 Incl: REES —
Rpt of Inv, 7 Mar 50 Lt %ol, USAF
trict Commander
ED
UNCLASSIF!

be-tihLe-l

FRAME 003 / 004tesseract-200dpi

“UNITED STATES AIR FORCE

THE INGPECTOR GENERAL ec
OFFICE OF SPECIAL INVESTIGATIONS cL

REPORT OF INVESTIGATIONN

e(eMea22 |"
Ss faroh 1950

UNIDENTIFIED AERIAL OBJECTS
Fireball Sighted at Los Alamos, lew

STATUS
eu
SPE NQUIRY = 1 + . ®)
REFERENCE
FS 7 YS >
synorsis
Service
» &11 of Los Alamos, New Mexico, sighted and ob-
served an unusual aerial object over Los Alamos, New liexico, between
the hours of 1545 and 1555, on 25 February 1950. Information sub-
mitted herewith was submitted to this office by Lt Col JOHi A. CARROLL,
Chief Inspector, Atomic Energy Security Service, Los Alamos, New
Mexico, on 27 February 1950.
PURSUANT TO PAR 11 AFR 206-6 UN-
AUTHORIZED DISCLOSURE OF INFOR-
MATION CONTAINED IN THIS REPORT
18 A VIOLATION OF AFR 205-4
DISTRIBUTION ~ ACTION COPY FORWARDED TO “Tyas stan
VE, AMC 1 Commanding General
(Action Copy) Air Materiel Command
Wright-Patterson AFB |
CO, AF Cambridge 1 Dayton, Ohio
Research Lab ATTN: MCIAXO-3
Hq OSI 2 Se

File 2 P PA en

Lt Col, USAF pncl""

18.140 9 O-2OSG reoece arost rorm «4%

—_——— == - ==

FRAME 004 / 004tesseract-200dpi

if
DETAILS 8 UN cL".eS IFIED
le This investigation is predicated upon AFCSI Letter No. 85, dated
12 August 1949. :

AT KIRTIAND AIR FORCE BASE, NEW MEXICO

2. The following is information received from Lt Col JOHN A. CARROLL,
Chief Inspector, Los Alamos,
observers

all of Los

a. Date of sighting: 25 February 1950
be Time of sighting: 1545 - 1555 hours
Ge Point of observation: Tech area = 340 West Road, Section II
ad. Direction of object from observer: Varied from North to South,
North East to South West, East to West.

e. Distance of object from observer: Varied from 4 to 20 miles
f. Angle of elevation from horizon: 30° - 350

° ge Direction of flight: Ceme out of clouds heading toward ground.
h. Time in sight: 3 seconds to 2 minutes.
ie Number of objects: One :

je Shape of object: Circular; or like a plane fuselage - tapered fore

and aft.
ke Projections and/or indentations: None
1. Apparent construction: Unimown
m. Apparent means of support and/or propulsion: Not visible

me Size of object: Varies from "Unknown" to "That of a small airplane"

Oe luminosity of object: Bright and glaring
pe Color of object: Silver and flashing

qe Sound: None

re Odor: None

se Speed: From very slow to very fast

t. Evidence of trail or exhaust: None

ue Effect on clouds: None ‘

ve Tactics or maneuvers: Fluttering, wobbling or oscillating motion

we Manner of disappearance: Faded from view

x- What attracted attention to object: Blinking or reflection of light

ye Additional remarks of observers: Object seemed to be able to
change course and to slow dovm and accelerate.

S$. All logical leads have been concluded.
= CLOSED -

UNCLASSIFIED

* PRESS « ealtdehint i. tek te