PROJECT BLUE BOOK

PROJECT 10073 RECORD
1. DATE- TIME GROUP LOCATION
7
2 Auguct 49 03/0130Z 15N 137.57W (Pacific)
. SOURCE 10. CONCLUSION
Military Other (CLOUD/CONTRAIL)
NUMBER OF OBJECTS
Ono
. LENGTH OF OBSERVATION 11. BRIEF SUMMARY AND ANALYSIS
15 Minutes Observers sighted what appeared to be an unusual cloud formation
The formation was made up of streaks which appeared to bo clouds.
TYPE OF OBSERVATION The streaks were white in color and were about 75 miles distar'ce
Air-Visual - from the observers. No sound was heard and the observers s did not
see the streaks form. Photographs of the streaks - taken at
. COURSE the time of the sighting.
N/A
3. PHOTOS
No

This investigation Was
Commander, Fairfield-Suisun ArB, Califorpia. on 12 August 1949,
upon ntelligence Report 374th Reconnaissance Squadron (VLR)
Weather, Fairfie -Suisun AFB, California, dated 5 August 1949 which
reported of an unusual aerial phenomena on 2 August 1949 by
three 'Lark Dog' weather mission while on a scheduled
weather flight at position rumber six. (6) 44 degrees 15 minutes
North and 132 degr North and 132 degre Mimutes Mmutes Best. Hest. Photographs Were taken at the time Photographs Were taken at the time
of sighting by the Ai ircraft Commender lst Lt., GLENN D. MULL A0-936481. It. GLENN D.MULL AO-936481.
Interviews with the three 3) ber: observing the observing the umsual phenonena unsual phenonena
revealad no identiaying identiaying information..Information received information...Information received from the Commander
Air Force Pacifie Fleet. reveeled that no Naval Air Air Force Pacific Fleet. reveeled that no Naval Alr Operationa NOre Nere conducted
in the aree 455' in the aree 45 X 13757'7 00 2 August 1949. X 137°57'77 o0 2 August 1949.
5
B
WNOEAID AT S YEAR INTSRVAJS: EWNGRADED AT :
DECIAREIFIRD AFTER 12 YEARS.
DOD 1E 5000.10
4s
46
DISTRIBUTION ACTION COPY FORWARDED TO FILE STAMP
DO #5 (Action Copies) Cormarding General
(Inel) 4 Air Materiel Cormand
Tright-Patterson Air Force Bese
Hq OSI (Incl) 2 Dayton, Chio
ATTN: MCLAXO-3
1
APPROVED
File 2
7-3712-
JOHN G. SWOFE
Colonel, USAF UNCL
DISTRICT COMMANDER

mmber. 15 mimutes North
and 132 degrees and 57 minutes Hest at l729 hours he observed an unusual
foration or clouds at a clock
position Wes first sighted,
segnents of a cloud-like trail wer out of the clouds
which formed an
coverage at fifteen hudred (l5eo) feet. Marr stated that after first
observing the formation he had disregarded it but after additional
segnents cloul-lke streaks had been formed and had joined
together wi first. notified the aircraft commander
of the phenomena streaks have been: formed out of the
tops of clouds forming 1500 feet, and
ascended upproxtimately 35 de an altitude of
thousand (15,000)-ree continued an angle
I venteen
not the rvation
the cloud did not disappear through evavoration to sight
after "Lark Dog" mission contimued on the eduled MATT further
stated that there Was oproximately l/1Oth /lOths scattered cloud
coverage above fifteen (1500) AT stated that estimates
and distance from observation, of the E
concerning the altitude, unusual
fomation 7ere dificult to make were jects for
2

KEMP further adviLse that only a th members observed
the unusual formation and that the aircraft of "L Dog" mission did
not attempt to e the track of the formation because the pilot did
cant enough t f'the schedulal course.1o
KEMp stated that he d not notic umusual poises on radio receplion
and that obiect Fas nicked eauipment of the "Lark
Dog" mission aircr wiich 48 operntion at the time of sighting.
KoMF further stated thet the for apuroximately four bundred
(oa) milen lifornis. fas in sight for
B1t
a

hundred (1500) mber six (6) 44 degrees 15
mimutes North and nutes Hest his attention Was directed
what appes unnaual
cloud formation rede up
apceared have originated in sce low
(1500) feet ascended at a shallow angle,
approximately 37.d the
feet and then ccatimued at an angle of spproxinately 17-l/2 degrees to an
altitude of approzimately seventeen thcusand (1.7,000) feet. The forma-
-
of 2 ugust 1949 were:
-2-
ED

4/10ths Cirrus louds --• Base at 25,000 feet
8/10ths Strata Cumulus Clouds Base 1500 feet
Tops 3000 feet
-
Visibility----Ux ted
Winds Aloft
10,000 feet 220 at 20 Knots
18,000 feet 220 Knots
On 1 September 1949, information was received from the Commander,
Air Force Pacific Fleet that no Naval L iir Operations were conducted in
the area 45 degrees 15 n minutes North and 137 degrees 57 minutes West
on 2 August 1949.
PEND ING
INCLOSURES
For Nistrict Orfice #5, Mright-Patterson AFB, Dayton, Ohio
1.
For Headquarters, Office of Special Investigations, "ashington, I.C.
2. One photograph, unusual aerial phenomena.

quarters, The Presidio of Ean Francisco, California, to ascertain if
any Radar (ground) contacts were made with unidentified objects in the
area 44 degrees 15 minutes North and 132 degrees 57 minutes Test on
2 August 1949 at 1730 hours.
.
.
EE
, UNCLA
A+ .

1. Inclosed for your information and necessary
repart of investigation of Special Agent LE, DO #19,
dated 21 September 1949.
2. Imvestigation and your office will be
forwarded reports received in this office.
Reuel
1 Incl D. M. LYNCH
Rpt dtd 21 Sep 49 Major, USAF
(trip) Acting District Commander
14
. I
FIED
UNCLASS
WF-O-S OCT 48 1SM CONRIDENTEL
i