PROJECT BLUE BOOK

LL

RETURN TO

USAF Historical Archives
ASI(ASHAF-A)
Maxwell AFB, Ala 36112

a_i

Ha, 46024 AISS, Ent AFB, Colorado Springs, Colo, subj: Report of Visit
of ATIC Representatives

a follow-up, field investigation of « UFOB report, These criteria
will cover, among others, the following subjects:

(1) Duration of sighting.
(2) Number of persons reporting the sighting.

(3) Distance from location of sighting to nearest 46024
AISS field wit,

(4) Reliability of person or persons reporting the sighting.
(5) Number of independent sightings reported.

(6) The value of obtaining a(iditional information immed-
iately.

(7) Existence of physical evidence (photographs, mterinal,
hardware),

b, It was noted that a single extraordinary circumstance might
require follow-up, field investigation even though the general application
of the criteria furnished by ATIC indicates that further investigation
would probably yield little additional inform tion,

c. In general follow-up field investigation of a preliminary
UFOB report will not be warranted when the hypothesis suggested by the

preliminary report of the incident cannot be tested by facilities avail-
able,

4. Exhaustion of Effort in the Investigation of UFOB's: Effort will
be considered as exhaustive when every logical, physical hypothesis sugrested

by a qualified report of the incident has been tested by the facilities
available,

a. Qualified preliminary reports shall be considered to be
those which merit further investigation under the criteria set forth in
paragraph 3 above.

5. Unsolved Cases; A case shall be considered unsolved after every
suggested hypothesis has been tested by available facilities and a large
percentage of the data in the report does not correlate with the charac-
teristics of known objects or natural phenomena.

. .

iq, 46024 AISS, Ent AFB, Colorado Springs, Colo, subj: Report of Visit
of ATIC Representative

6, The following procedures were agreed upon:

a. In case a UFOB sighting is reported initially by non—Air
Force sources in letter form to either ATIC or the 4602d AISS, the file

card will be made in duplicate by the recipient, and one copy forwarded

to the other agency, This card will indicate that the UFOB was reported
by letter and will show the action taken,

b. ATIC will be forwarded a file card indicating the action teken

by the 4602d AISS on preliminary reports transmitted to the 46024 by elec-
trice] means,

c. The results of follow-up field investigations made by the
46024 AISS and reported on AF Form 112 will, in all cases, be sent to ATIC,

D/I USAF, and such other agencies as the Commander, 4602d ATSS, deems
necessary.

ad, ATIC may require specific information for aid in analyzing
a reported UFOB sighting which can be furnished by a field unit of the
46024 AISS, Provided travel is not involved, ATIC may contact the appro-
priate unit directly. Im case ATIC desires detailed investigation or

action which would necessitate travel, request will be made by ATIC to
the Commander, 46024 AISS,

e. File cards reflecting action taken or conclusions reached
by ATIC om either a preliminary or follow-up UFOB report will be sent to
Commander 4602d AISS under the following circumstances:

(1) When conclusions of ATIC relative to identification of

the sighting are at variance with those reached by 46024
AIss.,

(2) When additional action is initiated by ATIC following
the completion of action by the 4602d ATSS,

7. Exchange of information: As a result of the ATIC experience in
the field of investigation of UFOB reports, information of a general inter-
est was discussed during the visit of ATIC representatives and will be

furnished to the 4602d AISS on a continuing basis, [Ixamples of such infor-
mation follow:

a. Grid cameras, Information relative to the present distrim-
tion of grid cameras and changes in the current distribution,

b, Statistics, Consolidation of statistics reflecting trends,

Hq, 4602d AISS, Ent AFB, Colorado Sprinvs, Colo. subj: Report of Visit
of ATIC Representative

total reports and studies conducted by contract agencies.

¢. Examples of proper and improper UFOB reporting.

4d, List of standard replies to letters requesting action or
information concerning reported sightings.

8. It is requested that the guides for evaluation of reports
referred to in paragraphs 2 and 3 above be furnished at the earliest
practicable date. Concurrence or comments relative to the procedures
and agreements contained herein are solicited,

JOHN M WHITE JR
Colonel, USAF
Commander

WA SS 608 18.24

4.

CT a a
”

, A? / ~ x
CFFICIAL FILE COPY

Fl rofrontes ms

ee ___

ANCH
Oiice of Recerd

ATIAE5/CAH/wm/69216
14 JAN 1955

SUBJECT: (U) Unidentified Flying Object Guide

ATTAE5 OFFICIAL FILE COPY

Incl MARY L. STORM
UFOB Guide Ist Lt. USAF
Assistant Adjutant
CU@RDINATION:

ATIAR-5 Cd Mel.. DATE 1/12/55

Capt C.A. Hgrdin
= See =.
L 8) H.C. Jphnston

AT DATE _/ 2 Jer

C6l/W.L. O' Hern

OFFICIAL FILE

Se
i
- r

AT I A }

l6T— — tad
° a

Hq, 4#602d AISS, Ent APB, Colorado Springs, Colo. subject: Report of
Visit of ATIC Representative

total reports and studies conducted by contract agencies,
c. Examples of proper and improper UFOB reporting.

d. List of standard replies to letters requesting action or
information concerning reported sightings.

8. It is requested that the guides for evaluation of reports
referred to in paragraphs 2 and 5 above be furnished at the earliest
practicable date, Concurrence or comments relative to the procedures
and agreements contained herein are solicited,

/s/ John M, White, Jr.
Colonel, USAF
Commander

ATIAE-5 lst Ind

AIR TECHNICAL INTELLIGENCE CENTER, Wright-Patterson Air Force Base, Ohio
LODEC 1956

TO: Commander, 4602d AISS (ADC) Ent Air Force Base, Colorado Springs,
Colorado

1.. The Air Technical Intelligence Center concurs in the agreements
and procedures as outlined in basic letter,

2. A “Standard Operating Procedure” is being prepared for use in

the unidentified flying object program, This will be furnished to Hg
4602nd AISS as a suggested guide,

3. The SOP will inelude the procedures listed in basic ietter
together with guides for evaluation of reports and criteria for determin-
ing the necessity for field investigations.

FOR THE COMMANDER
COORDINATION:

ATIAE5 Lk. Ahab — " DATE 12/9/54

Capt, C. A. Hardin

: DATE Fite ra
Lt. C. Johpston 2-6. SCHUM

A DAT “WO, USAF
TIA asl , pave FP Pox — ~ “aa.

ATIAE

QO

° . .
v
HEADQUARTERS Y
46024 AIR INTELLIGENCE SERVICE SQUADRON (ADC)
ENT AIR FORCE BASE
COLORADO SPRINGS, COLORADO

AISOP
23, November 1954

SUBJECT: Report of Visit of ATIC Representatives

TO; Commander
Air Technical Intelligence Center
ATTN: ATIAE-5
Wright Patterson Air Force Base
Dayton, Ohio

le On 17 and 18 November 1954, the Commander, 4602d AISS and
his staff met with Captain Charles Hardin, ATIC, and Doctor Allen
Hynek, USAF Contract Astronomer, for the purpose of discussing ATIC-
46024 AISS relationships in the investigation and processing of
Unidentified Flying Objects reports. During the course of the conference
general information was exchanged relative to the UFOB program, procedures
were developed relative to the handling of UFOB reports and the criteria
for evaluation of reports and conducting investigations were discussed.

2. The evaluation of all UFOB reports as well as the lines of
inquiry of investigations, will be governed by the application of certain
hypotheses to the data available. In the majority of cases, provided the
information concerning the sightings is sufficiently complete, the data
will suggest that the sighting was probably some known object or natural
phenomena. For example, the data available might suggest to the investigator
the hypothesis that the sighting was an aircraft. A check list will then
be applied to the data using the hypothesis that the sighting was an air-
craft. The check list will contain those items which, in combination, char-
acterize aircraft from other possible objects or phenomena, For exampie,
if the object was an aircraft, then there should have been noise, there
should have been radar observation in certain areas, etc. The application
of these check lists will suggest the lines of follow-up investigation in
the event the data is insufficient to satisfy the elements of proof neces-
sary to identification. ATIC will furnish the 4602d AISS with the check
lists referred to above which will assist in the identification of UFOB's,
and will cover, for example, aircraft, balloons, astronomical phenomena,
guided missiles, etc. In addition a special evaluation of preliminary UFOB
reports must be made to determine whether follow-up investigations can
reasonably be expected to result in additional reliable and usable data.

3. Evaluation of Preliminary Reports:

a. ATIC will furnish the 4602d AISS with "rule of thumb" criteria
to be used by the Squadron Headquarters in determining the necessity for

eee os

”——— oe

Hq, 46024 AISS, Ent AFB, Colorado Springs, Colo, subj: Report of Visit
of ATIC Representatives

a follow-up, field investigation of a UFOB report. These criteria
will cover, among others, the following subjects:

(1) Duration of sighting.
(2) Number of persons reporting the sighting.

(3) Distance from location of sighting to nearest 46024
AISS field unit.

(4) Reliability of person or persons reporting the sighting.
(5) Number of independent sightings reported.

(6) The value of obtaining additional information immed-
iately.

(7) Existence of physical evidence (photographs, material,
hardware).

b. It was noted that a single extraordinary circumstance might
require follow-up, field investigation even though the general application
of the criteria furnished by ATIC indicates that further investigation
would probably yield little additional information.

c. In general follow-up field investigation of a preliminary
UFOB report will not be warranted when the hypothesis suggested by the

preliminary report of the incident cannot be tested by facilities avail-
able.

4, Exhaustion of Effort in the Investigation of UFOB's: Effort will
be considered as exhaustive when every logical, physical hypothesis suggested

by a qualified report of the incident has been tested by the facilities
available ©

a. Qualified preliminary reports shall be considered to be
those which merit further investigation under the criteria set forth in
paragraph 3 above.

5. Unsolved Cases: A case shall be considered unsolved after every
suggested hypothesis has been tested by available facilities and a large
percentage of the data in the report does not correlate with the charac-
teristics of known objects or natural phenomena.

—  ——

, re ree ee

en TT Eee e—————E SS =

Hq, 46024 AISS, Ent AFB, Colorado Springs, Colo. subj: Report of Visit
of ATIC Representative

6. The following procedures were agreed upon:

&. In case a UFOB sighting is reported initially by non-Air
Force sources in letter form to either ATIC or the 4602d AISS, the file
card will be made in duplicate by the recipient, and one copy forwarded
to the other agency. This card will indicate that the UFOB was reported
by letter and will show the action taken.

b. ATIC will be forwarded a file card indicating the action taken

by the 4602a AISS on preliminary reports transmitted to the 4602d by elec-
trical means.

c. The resuits of follow-up field investigations made by the
4602d AISS and reported on AF Form 112 will, in all cases, be sent to ATIC,

D/I USAF, and such other agencies as the Commander, 46024 AISS, deems
necessary.

ad. ATIC may require specific information for aid in analyzing
a reported UFOB sighting which can be furnished by a field unit of the

46024 AISS. Provided travel is not involved, ATIC may contact the appro-
priate unit directly. In case ATIC desires detailed investigation or
action which would necessitate travel, request will be made by ATIC to
the Commander, 4602da AISS.

e. File cards reflecting action taken or conclusions reached

by ATIC on either a preliminary or follow-up UFOB report will be sent to
Commander 4602d AISS under the following circumstances:

(1) When conclusions of ATIC relative to identification of
the sighting are at variance with those reached by 4602da
AISS.

(2) When additional action is initiated by ATIC following
the completion of action by the 4602d AISS.

7. Exchange of information: As a result of the ATIC experience in
the field of investigation of UFOB reports, information of 2 general inter-
est was discussed during the visit of ATIC representatives and will be
furnished to the 4602d AISS on a continuing basis. Examples of such infor-
mation follow:

a. Grid cameras. Information relative to the present distribu-
tion of grid cameras and changes in the current distribution.

b. Statistics. Consolidation of statistics reflecting trends,

IVISION IB A

AGREEMENT:
An agreement was concluded in December 1953 between the Air Technical Intelli-

gence Center and Air Defense Command whereby, in the future, the 46024 Air Intelli-
gence Service “Squadron will process and make on-the-spot investigetions on all
initiel UFO reports originating in the ZI. The 46024 AISS is a definite intelligence
activity which is widespread in the field. In some cases, ATIC will join ADC in
field investigations.
UNKNOWNS :

At the conclusion of investigations by 46024 AISS, Air Defense Command will

furnish information to ATIC on all closed (identified) cases and will forward all
material and reports of investigations on the cases which remain as unknowns.
FINAL ANALYSIS;

The ATIC retains the responsibility for final analysis of these unknowns
originating in the ZI, together with all cases from overseas.
AIR FORCE REGULATION 200-2 (NEW):

This program will be formally initiated with the publication of a new AFR 200-2
which is forthcoming.

REPLY TO
ATTN OF:

SUBJECT:

TO;

AIR TECHNICAL INTELLIGENCE C
UNITED STATES AIR FORCE

WRIGH T-P ATTERSON AIR FORCE BA

OHIO

younig seATyory °M
jsu] selpays soods

AFCINe\ Ey
UFO Program

AFCINe\ (Colonel John G. Eriksen)

THRU: Ss

1. The Problem Area

@e All of the problems associated with the Air Force's UFO
Program seem centered around the “reaction capability" (reporting and
investigation). There is a need to increase the speed of processing

reports and of initiating investigations and to improve the quality of
both.

2. Discussion

a. The 1006th AISS which, outside of the ATIC, is probably the
most logicel and qualified organization to perform the investigation
function is approximately 33% under T/O strength. The squadron is
presently undergoing reorganization in order to perform a new mission
of such high priority that consideration is being given to deleting
the mission for which the 1006th was originally organized from the
new charter. The UFO investigation mission was not included in the
original charter and there are no plans to include it in the new one.

be. In order to carry out this new mission, it will be necessary
to have more than 50% of the squadron personnel physically located at
the squadron headquarters at Ft. Belvoir, Va. There ere no plans to

reduce the number of detachments below the present ten, but to reduce
the number of officers and airmen assigned by approximately 50%, there-

fore limiting still further the personnel available for field investi-
gations.

¢. Colonel Golforth of AFCINelAl informed Major Friend of AFCIN-e
kEhe that if ATIC would provide the personnel the 1006th AISS would be
happy to house, feed, and administer them in support of the UFO Program.

3-¢ Suggested Solution

a. Reporting (See Atch Nr. 2)

ATTAAj5 File

«

In reply refer to
ATLAdeoS

wtlieintee

RESTRICTED

SUAJEOCT: friefing of AUC Forces and Divisions on lrojeet Blue Book (Unel)

TOs Commanding General AY, #7 so
Adr vefense Comnand O38 3
ATTNs ves/I é iy

imt Air Foree base
Colorado Springs, Jolorade

1. uring a visit to Headquarters Air vefense Command on lt Ooteber
1952, Capt Edward J, luppelt of AlIG discussed with vol burgess the feasi-
bility of briefing all Air vefense Forces ani vivisions on ‘roject flue
Book, Since thie viait the subject has been given more stuily and it is
believed that such a series of briefings wuld highly aivantareous,
Similar briefines have been given to various Air force unite ond have
resulted in a betier understanding of the objectives and operations of
the project and in more efficient, accurate reporting. ly presenting
such oriefings, wany ingignifieant, nelulous reports can be eliminated
while the significant re orte will be more complete an’ contein more ugable
data,

2. The orerposec plan for the bricfings wuld be first to present the
briefing to liq AM, if this is desired. A tour would then be mede throurh
eaoh Air -efense Yoree area, briefing first the Aur iq force then earch
separate Air Livision, At the -ivision level, selected personnel from each
unit subordinate to the .ivigsion (1.6, AGk Squadrons, Cighter interceptor
squadrons, ete.) would be called in for the wriefing. If the Livision is
a tenant organization on the base, persons other than «0 personnel with an
official interest could he chosen by the Livision Comsender and invited to
attend, ‘The muaber of people te be briefed vould be linited only by the
available soace ami security. The classification of the briefine will be
Seeret, the vriefing in reneral will consiat of:

@ <A brief history of frroject -lue Jook,

be The philosophy of the project.

@, Methods of quickly gathering data using available facilities
at on air base.

&. How a preliminary anelycis of reports can be made in the field,

©, Ffreparation of 4 report for forwerding to ATicC and Hg USAF.

f. How ATIC oroeesgses FLIO APTS.

‘ » ‘7%

(1) Change AFR 200-2 to spell out in detail the responsibili-
ties of the base commanders and cther organization commanders, and expand
information required in initial report as spelled out in AFR 200-2. (Copy
of 0-86 which has been sent to AFCIN-X] requesting these changes is Atch

Nr 2)

(2) AFR 200-2 be made a "special subject regulation" of air
inspectors for a period of one year.

b. Investigations (See Atch Nr. 1)

(1) The 1006th AISS be made primarily responsible for conducting
UFO investigations and this function be included in the organization's
charter.

(2) The T/O of the 1006th AISS be expanded to man the squadron
sufficiently to undertake UFO investigation in addition to its other
missions. It is desirable that the strength of each detachment be
increased by two, one commissioned officer and one airman.

(3) One individuel in each detachment of the 1006th AISS, a
commissioned officer preferred, be given special training and made
specifically responsible for UFO investigation.

c. Training (See Atch Nr. 3)

(1) The ATIC to establish and present the training course for
the individuals selected at each detachment as being responsible for
the UFO investigation mission.

ie Suggested Actions

a. The memorandum to M/General Watson, Subject: "UFO Program" and
its attachment (Atch Nr. 1) be approved and forwarded.

be Approval of the letter (Atch Nr. 3) to AFCIN-4X) establishing
requirement for a training program, pending AFCIN approval of the 1006th
AISS as primarily responsible for UFO investigations.

;

] L/

/ cece. ( (of Milian,

VINC » RETHMAN \ 3 Atch

Colonel, USAF 1. Memo to M/Gen Watson
AFCIN-) Ey w/Atch

2. Cy of 0-86 to AFCIN-X1
3- Ltr to AFCINe\X) w/Atch

~———

i, ‘
JUN iShe

APCIN~-4
UPO Program

ACS/I (Major General Marold E. Watson)

1. As you know, this Center is responsible for performing 2 complete
analysis and evaluation of all UFO reports in accordance with the
provisions of AFR 200-2, dated 5 Feb 58. This analysis and evaluation,
of necessity, can be no better than the reported information with

which we must work. It has been determined at this Center that the
problems associated with this program are centered around the Air
Force's “reaction capability” (reporting and investigation). There is

a need to increase the speed of processing reports and of initiating
investigations and to improve the quality of both.

2. The reporting problem for the most part can be corrected by changes
to APR 200-2. These changes will offectively spell out in detail the
responsibilities of the base commanders and other organization
commanders, and expand on the information required in the initial
report. It is also contemplated making AFR 200-2 a “special subject
regulation” of air inspectors for a period of one year following the
effective date of these changes.

3. AFR 200-2 presently spelis out the nearest Air Force base

commander as responsible for the investigation of UFO's. As has already
been pointed out this has proved unsatisfactory. The l006th AIS5S,

due to its geograp hical deployment is the most logical organization

to perform the investigative function. I: is suggested that AFCIN-l/l

be instructed to include the investigation or UFO sightings in the

new charter for the 1006th AISS.

4. The ATIC will make provisions to give special training to at least
one individual from each detachment, preferably a commissioned
officer, who will then become primarily responsible for UFO investigations.

Paes J

_—

S. Ifresponsibility for UFO investigation is delegated to the 1006th
AISS, it will require certain changes to AFR 200-2, dated 5 February
1958, to make this directive compatible. Attachment Nr. 1, Subj):

“APR 200-2 (Unidentified Flying Objects)" is a draft of correspondence
to AFCIN-X1 outlining the required changes.

6. It is suggested that the attached letter bg forwarded to APFCIN-X)
for implementation.

CHARLES B. DOUGHER 1 Atch
Major General, USAP Lir, Subj: “APR 200-2
AFA N-4 (Unidentified Flying Objects)

AFR 20002 (Unidentified Flying Objects)

AFCINeAL, ATTN: Major Byrne 27 May 1959
ABC Diehl E 1
bithe/Maj Re Je Friend/ac/69216/Dldg 263

le The following changes and aiditions to AFH 200-2, datel 5 February 1955, are
sw eested in an effort to improve the Air Force's reaction gapability as it applies te
tue UFO Programe

a. Pare 3b. Technical and Scientific, changed to read as foliows: The Air
Force will continue to collect and analyze reports of Url until all can be scientifi-
cally or technically explained ar until such time as it ie determined that the full
potential of a sighting has been exploited. In performance of this task the following
factors should be kept in mind: (subepars. 3b (1) through (4) will remain unchanged).

be The word "unknown" as it applies to an unidentified object should be
changed to “wnidentified" throwhout the regulatione

Ge Pare hae The following should be added to this paragraph: investigetors
will be authorized to mike telephone calls directly to the ATIO (ArCIileilie, Ext.
69216) at WrightePatterson Air Force Base, YJhio from the investigation area. ‘The
purpose of these calls to report high priority findings.

Ge Pare 5ae The following ahold be added to this paragraph: When reporting
that a witness is completely familiar with certain aspects of a sighting, his o@ her
specific qualificstions should be indicated.

e. The following should be added as Par. 5j: whenever possible, an indivie

"2 ¢s

duel selectei as a UFO sighting investigator should have « scientific
or technical beckground as well as experience as an investigator.

fe Pare 6a. Should be changed to read as followa: Ali Air
Yoree activities will conduct UFO investigations to the extent necessary
for their required reporting ection (see Pars. 15, 16 and 17). lowever,
investigations aiould not be carried beyond this point, unless such
astion is directed by Assistant Chief of Staff, Intelligence, liead-
quarters, United States Air Force, or if in the opinion of the preporin
officer the magnitude (intelligence significance or public relations)
of the case is such to warrant full scale investigntione Telephone
contact should be wade with the ATIC (APUINekikg, Ext. 69216) at wright-
Patterson Air sorce Base, YJhio to obtain verbal authority for continued
investigation. Juis should be so noted in the prelindnary report
(foreign activities will proceed on their own judgment and so advise
the ATIC in the preliminary message.

&- idednate all reference to the Ground Observers Corps
from the regulatlone

he The followin, should be added as Fore 15¢(7), Temperature
Gradient.

ie Pare 15] should be changed to read as followa: location,
approximate eltitude, and general direction of flight of any air traffic
er balloon releases in the area which could possibly account for the
Bi, hting «

je i@re 15k should be changed to read as follows: position
title, name, telephone number and comments of the prepering officer,
incluwiing his preliminary analysis of the possible cause of the sighting(s).

ke are 19, Neporting Physical lvidence. The following should
be added to this peragraph: All physical evidence forwarded to the
ATIC should be marked for the attention of AUINehihge

GJNDON GC. HOFFMAN
Colonel, U3As
ALUIN|e D

“aM oe 9

as a FOE NO LR OL ELI FT

REPLY TO
ATTN OF 3

SUBIWOT s

TOs

AFR 200-2 (Unidentified Flying Objecta)

AFCINeX1] (Major Byrne)

1. The Assistast Culef of Staff/Intelligence has delegated the respone
sibility for investigating UFO sightings within the “J to the Conmanier
of the 1006ti ALS: in lieu of the Air Force base comsaniers. The
following Ghangea and/or additions to APR 20002, dated 5 bebruary 1955,
are required tv smke this directive compatible with this change. The
referenced paragxvaphs ave from the reguisetion:

Oe Pare ia, Ueporting, should be changed to resi: Gommanders of
Air Foree bases wiii report all information and evidence of UFO sightings,
including that weceived from other services, government agencies, and
Civilian sources. Aeporting action will be in accordance with the applie
cable paragraphs of this directive (see paragraphs 1) through 19).

be Pare 4b, Investigation, should be changed to read: The 1606th
AISS will bo yvesponsible for gonducting a complete investigation of san
UFO sighting when, (1) the initial report sent by the base commander
does not contain sufficient information to allow an analysis, (2) the
intelligence significance of the case warrants an investigation, (3)
evaluation of the source indicates a very bigh degree of reliability,
(4) the report is direct to the ATIC from a civilian source. The
ATIC will contact the Coumander of the 1006th by telephone and/or Ti
when investijation of a esse is desired.

Ge Pare Ga should be changed to read: Ali Air Force activities
will conduet wiv investiz,ations to the extent necessary for their
required reporting action (see paragraphs 15, 16 ami 17); however,
investigations should not be carried beyond this pointe

de Pare OG should be changed to read: Direot vomnunication is
authorized between tue Aill and other Air Forse activities in matters
pertaining to LUll'ée

AFCIN-4X

UFO Training Program

AFCIN-4X4

1. A letter has been forwarded to AFCIN requesting that the responsibility
for the investigation of UFO sightings within the 21 be delegated to the
Commander of the 1006th AISS.

2. In an effort to improve on the data gained from these investigations,
one officer or NCO from each detachment is to be given a twenty hour
course of instruction as generally outlined in Attachment 1.

3. It is understood that Mr. Hawes of your office has already discussed
this proposed program with Major Friend of the Air Sciences Division.

4. It is desired that maximum support be given to this program of training
consistent with present capability upon approval of the plan by AFCIN.

WILLIAM E,. BOYD 1 Atch
Colonel, USAF Outline of Proposed
AFCIN-4X UFO Trg Program

Reply To
Attn Of;

Subject:

To:

AFCIN-4X

UFO Trai

ning Program

AFCIN=-4X%4

1. The
for the

Se In a

to be gi
outlined

3, At 2

Friend o
4. it. 3
program

WILLIAM
Colonel,
AFCIN-4X%

4 :

June 1Y¥ds9

1006th AISS has been delegated the responsibility
investigation of UFO sightings,

n effort to improve on

the data vained
investigations one officer or NCO from each detachment is

ven a twenty hour course
in Inclosure #1 hereto,

Ss understood that Mr,

Ss desired that maximum
Of training consistent

E. BOYD
USAF

from these

of instruction as generally

Hiawes ot your office has
already discussed this proposed program with Major
f the Air Sciences Division,

Support be given to this

with present ca

:
=

A t h

pability.

Outiine of Proposed

UFO Training

Program

l.

RTE RE ee ET

TRAINING PROGRAM
(UFO INVESTIGATION)
(20 Hours)

Introduction 3 Hours
a. Background and History of the UFO Program 1
b. Philosopy ]
c. Public Relations ]
Investigation © Hours

Ae Procedures
b, Techniques

Interrogation 5 Hours
2. Philosophy
b. Procedure
c,. Techniques
d. Psychology

Equipment Hours
a. Geiger Counter 2
(1) Purpose
(2) Method of Operation
(3S) Operation
b. Camera i
(i) Purpose
(2) Operation
c. Compass 46 Minutes
(1) Purpose
(2) Operation
d. Binoculars 15 Minutes
(1) Purpose
(2) Operation
e. Misc. Equipment 1 Hour

€1

General Information 3 Hours
a. Astronomy
b. Balloons
c. Satellites
Etc.

Reporting 2 Hours

Summary 1 Hour

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| BeOS Colorado Springs, C,jorado
() of SY cue GUIDE To ‘IDENTIFICATION
) |
. Unidentified Flying Objects
Paragraph
Purpose - --+--+-+-*#+-*#-#-*#*#=<-#=<s+s #= +s
Definitions - - ---+-+-+-+--+-+--«-s. 2
Objective ---+-+-++e+#-+-+-2+e8 +++ =- 3
Guidance- - ---+-+-++e+#-+-+*+-e8#-s+-+-+-+-s 4
Identification Criteria - -----+-- Inclosure

1. PURPOSE: This publication is designed for the use of
Ground Observer Corps personnel and is published“to familiarize
observers with common phenomena which are sometimes misinterpreted as
Unidentified Flying Objects (UFOB's).

2. DEFINITIONS:

a. Unidentified Flying Object (UFOB)-- Relates to any

airborne object which by performance, aerodynamic characteristics, or
unusual features does not conform to any presently known aircraft or
missile type, or which cannot be positively identified as a familiar

object.

b. Familiar Objects-- Include balloons, astronomical bodies,

birds, etc.

3. OBJECTIVE: Due to the prolonged observation of the sky during
both daylight and night time hours, familiar objects such as meteors,
aircraft, balloons, astronomical bodies, searchlights, birds, etc., will
be frequently observed by GOC personnel. Due to atmospheric conditions

(temperature inversions, dust, clouds, etc.,), reflections, sound (or

RESTIMUTEU

a

ATIC ATIAA Gibjeets Priefing of ALO forces and viviesions on ‘roject biue
Hook (Unel)

~~

trip necessitating three trips at he
in Vecember 1962,

4e

or comments concerning this propose! iriefing at air

Vivisions

An attempt would be made to cover one Air .efense fCorve area sor

raw of one trip per month ster ting

The Air Technicel Intelligence Center requests your approve) and/

erfense ‘orees ar
7

ee a, ae

3+ OBJECTIVE (Contd):

lack of sound), speed, position, etc., common phenomena may sometimes be
misinterpreted as UFOB's. It is highly desirable that all UFO phenomena
be identified or explained. In this respect, the observer requires some
“rule-of-thumb” to assist him in this identification.

The object of this publication is to familiarize the Ground

Observer with the appearance(s) of common objects under one or more of

the circumstances listed above.

4k, GUIDANCE: Attached is a list of common phenomena to which
Ground Observers may be exposed during their tours of duty. it is
recommended that you become thoroughly familiar with these criteria, as

they may enable you to identify objects with a greater degree of accuracy.

a
~

10.

BALLOONS

Shape: Round, cigar, pinpoint, or bowling pin,
Size: Balloons up to a hundred feet will generaily appear from
pinpoint to size of a pea held at armiength.
Color: Silver, white or many tints. It may possibly appear dark
as when projected against the clouds. Sometimes transparent.
Speed: Large scale erratic speed ruled out. In general hovering
to slow apparent speed.
Formation: Single to cluster.
Trail: None.
Sound: None
Course: Straight with a general gradual ascent, unless falling.
Time in Sight: Generally long. Note: Balloon may suddenly burst
and disappear.
Lighting Conditions: Night or day but especially at sunset or
sunrise.
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AIRCRAFT

Shape: From conventional to circular or elliptical.

Size: Pinpoint to actual.

Color: Silver to bright yellow (night - black or color of lights).

Jet exhaust yellow to red. Under certain conditions
aircraft too far distant to be visible to the naked eye,
will reflect sunlight from wings or fuselage.

Speed: Generally only angular speeds can be observed. This depends
on distance but small objects crossing major portion of sky
in less than a minute can be ruled out. Aircraft will not
cross major portion of sky in less than a minute whereas
a meteor certainly will.

Formation: Two to twenty. Numbers greater than 20 more likely
birds than aircraft.

Trails: May or may not have (vapor and exhaust).

Sound: Zero to loud shrill or low depending on altitude and

winds aloft. Under certain conditions, aircraft may be

observed at high altitudes, without making any sound.

Course: Steady, straight or gently curving (not erratic - may

appear still if approaching head-on). Right angle turns
and sudden reversals, abrupt changes in altitude ruled out.
Time in Sight: More than 15 seconds, generally of the order of a

minute or two.

Lighting Conditions: Night or Day.

le
26
36
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Te

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10.
ll.

Round to elongated.

Pinpoint to size of moon.

|

Flaming yellow with red, green or blue possible.

Crosses large portion of sky in few seconds except if

coming head-on.

Formation: Generally single - can break into shower at end of
trajectory. Occasionally (but rare) small groups.

Trails: At night almost always a luminous train which can persist

as long as a half hour (rarely). Daytime meteors are

much less frequently observed. In daytime, leaves a
whitish to dark smoke trail.

Sound

None

Courses Generally streaking downward, but not necessarily sharply

downward. Can on rare occasion give impression of slight
rise.

Time In Sight: Longest reported about 30 seconds, generally less
than 10.

Lighting Conditions: Day or Night. Mostly night.
Others An exceptionally bright meteor is called a fireball. These

are rare but extremely spectacular and on occasion have been

known to light surroundings to the brightness of daylight.

STARS OR PLANETS

GENERAL

The planets, Venus, Mars, Jupiter, and Saturn are generally brighter

than any star, but they twinkle very much less (unless very close to
horizon). Stars twinkle a great deal and when near the horizon can give
impression of flashing light in many colors.

1. Shape: Pinpoint - starlike.
2. Sizes: Never appreciable.

3. Color: Yel).ow with rainbow variations.

4. Speed: Stars apparent speeds carry then from east to west in the
course of the night but they are often reported as erratic.
The effect is psychological, most people being unable to
consider a point as being stationary. Occasionally tur-

bulence in the upper atmosphere can cause a star to appear

to juap (rare) but somehow twinkling gives the impression of
movement to many people.

S. Formation: There are no clusters of very bright stars but faint
stars are grouped in their familiar constellations.
Note: A report of }; or 5 bright asterine lights would
rule out stars.

6. Trail: None.

7. Sounds None.

8. Course: Always describe 2); hour circle around pole or sky from east
to west.

9. Time In Sights When clear, stars are always visible. Most stars rise

or set during the course of the night. Stars low in western

sky set within an hour or two, Stars in east, always
go higher in sky.
10. Lighting Condition Might - Twilight.

SEARCHLIGHTS
1. Shape: Round to elliptical.
2. Sizes Pea at arms length to large luminous glow, dependent
upon cloud height.
3. Colors: White fluorescent.
4. Speeds Stationary to fantastic.

5. Formation: Usually only one tut occasionally two or three.

6. rails Wone
7. Sounds None

8. Course: Circling, straight, stationary or erratic. Note:
Scattered clouds can give impression of object

disappearing and reappearing in a different portion
of the sky in a few seconds,

9. Time in Sight: Generally long.

10. Lighting Conditions: Wight

OPTICAL PHENOMENA

This can cover a miltitude of things.
Optical phenomena which have been reported as UFOBs run from

reflections on Clouds and layers of ice crystals (sundogs) to the many

types of mirazes. No one set of optical phenomena can be set down as

representation for the whole class.

There is no limit to the speed of optical phenomena. Reflections

can travel from incredible speed, as in the case of a search-beacon on

high clouds to stationary.

1.
2.
36
he
Se
6.
Te
6.

Shape: Generally round but can be eliiptical or linear.

Sizes Starlike to large luminous glow.

Color: Generally yellow

Speed: Stationary to fantastic.

Formations Any.

Trails None.

Sound: None.

Courset Any.

Time In Sights Any.

Lighting Conditions: Day and night.
Others One of the standard types is the "sundog". In this a large

luminous halo is seen around the sun with one to four

images of the sun placed along the halo circle at intervals
of 90 degrees. Another report often has to do with a bright
planet or even the moon shining through a light overcast.
Mirages reflections are said to occur frequently when

temperature inversions exists in the atmosphere,

This guide is designed for use in determining the feasibility

of follow-up investigation of Unidentified Flying Object reports
ané in identifying the objects ov phenomena concerned.

AIR TECHNICAL INTELLIGENCE CENTER
WRIGHT PATTERSON AIR FORCE BASE, OHIO

PART I

FOLLOW-UP_INVESTIGATIONS

GENERAL
An UFOB report is worthy of follow-up investigation when it con-

tains information to suggest that a positive identification with a well
known phenomenon may be made or when it characterizes an unusual phenomenon.
The report should suggest almost immediately, largely by the coherency and
clarity of the data, that there is something of identification value and/or
scientific value.

In general, reports which should be given consideration are those
which involve several reliable observers, together or separately, and which
concern sightings of greater duration than one quarter minute. Exception
should be made to this when circumstances attending the report are con-
sidered to be extraordinary.

Special attention should be given to reports which give promise of a
"fix" on the position and to those reports involving unususl] trajectories.
RULES OF THUMB

Every UFOB case should be judged individually but there are « number
of "rules of thumb,” under each of the following headings, which should

prove helpful in determining the necessity for follow-up investigation.

1. Duration of Sighting
When the duration of @ sighting is less than 15 seconds, the

probabilities sre great that it is not worthy of follow-up. As 4 word

of caution, however, should a large number of individual observers concur

| LADQUARTERS

AIR DEFENSE COMMAND
ENT AIR FORCE BASE

COLORADO SPRINGS, COLORADO

9 January 1953

Air Technical Intelligence Center
ATIN: Col. Ray McDyffee,

Chief, Technical Analysis Division
Wright-Patterson Air Force Base, Ohio

Dear Ray:

In thinking over our telephone conve sation, I am not certain
whether you said Capt. Ruppelt would be here on the 23rd or 2th
of January. I seem to recall that you have him scheduled for
arrival 0930 hours on the 2ljth. We have the conference scheduled
for 0815 local time. It is obvious that Ruppelt would need to
arrive the day before. It will be most convenient for us if he
could arrive at about 0930 on the 23rd and spend a full day in the
office before his presentation Saturday morning. In any case,
please bear in mind the 0815 time on Saturday 2) January.

Regards,
,
Jf

© A MILLER ~
~ Colonel USAF

On @n unusual sighting of a few seconds duration, it should not be
dismissed.

When a sighting has covered just a few seconds, the incident,
when followed-up in the past, has almost always proved to be a meteor or
@® gross mis-identification of a common object owing to lack of time in
which to observe.

2. Number of Persons Reporting the Sighting
Short duration sightings by single individuals are seldom worthy
of follow-up.
Two or three competent independent observations carry the weight
of 10 or more simultaneous individual observations. As an example, 25
people at one spot may observe ea strange light in the sky. This,
however, has less weight than two reliable people observing the same
light from different locations. In the latter case a position-fix is
indicated.
3. Distance from Location of Si to Nearest Field Unit
Reports which meet the preliminary criterion stated above should
all be investigated if their occurrence is in the immediate operating
vicinity of the squadron concerned.

For reports involving greater distances, follow-up necessity

might be judged as being inversely proportional to the squere of the
distances concerned. For example, an occurrence 150 miles away might

be considered to have four times the importance (other things being equal)
than one that is 300 miles away.

4. i gon or sons

In establishing the necessity of follow-up investigation only
"short term" reliability of individuals can be employed. Short term
reliability is judged from the logic and coherency of the original report
and by the age and occupetion of the person. Particular attention should
ve given to whether the occupation involves observation reporting or
technical knowledge.

5. Number of Individual Sightings Reported

fwo completely individual sightings, especially when separated
by & mile or more constitutes sufficient cause for follow-up, assuming
previous criterion have not been violated.

6. The Value of Obtaining Additional Information Immediately

If the information cannot be obtained within seven days, the value
of such information is greatly decreased.

It is of great value to obtain additional information immedicetely
if previously stated criteria have been met. Often, if gathered quickly,
two or three items (weather conditions, angular speed, changes in tra-
jectory, duration, etc.) are sufficient for immediate evaluation.

If investigation is undertaken after weeks or months the original
observers cease to be of value as far as additional new information is con-
cerned. Generally, late interrogation yields only bare repetition of
facts originally reported plus an inability on the part of the observer
to be objective.

7+ Existence of Physical Evidence (Photographs, Meterial, Hardware)

In cases where any physical evidence exists, a follow-up should

, '

be made even if some of the above criteria have not been met.
CONCLUSION - Part I

Tt is understood that all above criteria must be evaluated in terms
of “common sense." The original report, from its wording and clarity will
almost always suggest to the reader whether there is any "paydirt" in the

report.

PART II

GENERAL
When an WFO report meets, in large measure, the criteria projected

in Part I and a follow-up investigetion is instituted, then the
interrogator should ask what physical object or objects might have
served as the original stimalus for the report. The word “object” here
includes optical phenomena such as reflections from clouds, sundogs, etc.

Frequently one or perhaps two solutions will be immediately suggested
by the nature of the report. The vord "solution" cannot be used here in
the scientific sense. A solution in UPOB work means that a hypothesis
has been arrived at which appears to have the greatest probability of
having given rise to the given report.

Following is a group of hypotheses or exampler which should prove
helpful in arriving at solutions. A check should be meade to see how
many of the items are satisfied by the report and how many are missing.
An effort should be made to obtain any missing items as soon as possible.

Each typical hypothesis is listed on a separate page.

1.
2.

4,

Shape: From conventional to circular or ellipticsl,
Size: Pinpoint to actual.
Color: Silver to bright yellow (night - bleck or color of lights).

Speed: Generally only angular speeds can be observed. This depends
on distance but small objects crossing major portion of

aky in less than a minute can be ruled out. Aircraft will

not cross major portion of sky in less than a minute wheress

a meteor certainly will.
Formation: Two to twenty. Numbers greeter than 20 more likely
birds than aircraft.

May or may not have (vapor and exheust).

Zero to loud shrill or low depending on altitude.

Lh

Q
:

Steady, straight or gently curving (not erratic - may
appear still if approaching head-on). Right angle turns
and sudden reversals, changes in altitude ruled out. Note:
Although report may indicate erratic course, if other items
check, follow-up should proceed on basis of sircraft be-
cause of psychological tendencies of excited people to
exaggerete course changes.

Time In Sight: More than 15 seconds, generally of the order of a
minute or two.

Lighting Conditions: Night or Day.
Re@er: Should show normal aircraft returns.

l.
2.

Shape: Round to cigar or pinpoint.
Size: Balloons up to 4 hundred feet will generelly appear from

pinpoint to size of a pea held at armlength.

Color: Silver, white or many tints. It may possibly appear derk
as when projected against the clouds.

Speed: Large scale erratic speed ruled out. In general hovering

to slow apparent speed.
Formation: Single to cluster.

Trail: None.

Sound: None,

Course: Straight with a general gradual ascent, unless falling.
Time In Sight: Generally long. Note: Balloon may suddenly burst

and disappear.

Lighting Conditions: Night or day but especially at sunset.
Reeder: No return except when carrying sonde equipment.

i.
2.

4.

6.

Shape: Round to elongated.

Size: Pinpoint to size of moon.

Color: Fiaming yellow with red, green or blue possible.

Speed: Crosses large portion of sky in few seconds except if
coming head-on.

Formation: Generally single - can break into shower at end of
trajectory. Occasionally (bux rare) small groups.

Treil; At night almost always @ luminous trein which can persist
as long as a half hour (rerely). Daytime meteors are much
less frequently observed. In daytime, leaves a whitish to
derk smoke trail.

Sound: None, although occasionally reported (believed psychological).

Course: Generally streaking downward, but not necessarily sharply
downward. Can on rare occasion give impression of slight

rise.

Time In Sight: Longest reported about 30 seconds, generally less
than 10.

Lighting Conditions: Day or Night. Mostly night.
Rader: Return from meteor itself is highly improbable, however, the

train left by a meteor, is a good redar reflector.
Other: An exceptioneily bright meteor is called a fireball. These
are rare but extremely spectacular and on occasion have been

known to light surroundings to the brightness of daylight.

STARS OR PLANETS

GENERAL
The planets, Venus, Mars, Jupiter, and Saturn ere generally brighter

than any star, but they twinkle very much less (unless very close to horizon).
Stars twinkle a great deal and when near the horizon can give impression
of flashing light in many colors.

1. Shape: Pinpoint - starlike.

2. Size: Never apprecieble.

3. Color: Yellow with rainbow veriations.

4. Speed: Stars apparent speeds carry them from east to west in the

course of the night but they are often reported as erratic.
the effect is psychological, most people veing unable to
consider a point as being stationary. Occasionslly tur-
bulence in the upper atmosphere can ceuse a ster to appear

to jump (rare) but somehow twinkling gives the impression of
movement to many people. Note: Just because the report says
the light moves does not rule out the possibility of it being
a star unless motion is from one part of sky to another in

relatively short time.

5. Formation: There are no Ciusters of very oright stare but faint

stars are grouped in their femiliar constellations.
Note: A report of 4 or 5 bright clustering lights would
ruie out siars.

6 ° Trails: wWone.

Te Sound: None.
8.  Cowrse: Always describe 24 hour circle sround pole of sky from

east to west.

9. Time In Sight: When clear, sters are always visible. Most stars
rise or set during the courre of the night. Stere low in
Western sky set within an hour or two. Stars in east, always
go higher in sky.

10. ting Condition: Night - Twilight.

ll. Radar: None.

10

This can cover 4 multitude of things. Original scanning of the
repart should be made to attempt to determine whether it more likely
describes a material object or an optical phenomenon.

Optical phenomene which have been reported as UFOBs run from
reflections on clouds and layers of ice crystals (sundogs) to the many
types of mirages. No one set of optical phenomena can be set down as
representation for the whole class.

There is no limit to the speed of optical phenomena. Reflections
can travel from incredible speed, as in the case of a search-beacon on
high clouds, to stationary.

These cases if well reported will almost always warrant follow-up.

Their variety and connection with upper atmospheric conditions make these

observations especially valuable scientifically.

1. Shape: Generally round but can be elliptical or linear.
2. Size: Starlike to large luminous glow.

3. Color: Generally yellow.

4, Speed: Stationary to fantastic.

5. Formation: Any.
6. Trail: None.
Te Sound: None.

S. Course: Any.
9. Time In Sight: Any.

11

é copy oe

In reply refer to
AFOIN-ATIA Colonel McDuffee/66310/ bls

SUBJECT: Briefing on Aerial Phenomena to be Given by Captain E. J.
Ruppelt at Hq ADC, 2 January 1953

TOs Commanding General, Air Defense Command

Ent Air Force Base
ATTN: Major Vernon Le Sadowski
Intelligence Division

Colorado

- "parece

le Reference telephone call from Major Vernon Le Sadowski at 1200
hours, 7 January 1953.

2e Captain E. J» Ruppelt will be at Hq Air Defense Command, Ent
Air Force Base, Colorado, on or before 0900, 24 January 1953, to present
a one hour briefing at Officers Calle His estimated time of arrival
and mode of travel will be furnished later.

10.
ll.

12.

Lighting Conditions: Day end night.

Wo return. In special cases radar response will
occasionally have to do with unusual clouds, and meteorological
phenomena such as described in Minnaert's book "Light and
and Color in the Open Air."

One of the standard types is the "sundog." In this a large
luminous halo is seen around the sun with one to four
images of the sun placed along the halo circle at intervals
of 90 degrees. Another report often has to do with « bright
planet or even the moon shining through a light overcast.
Mirages reflections are said to occur frequently when
temperature inversions existe in the atmosphere. If an
optical phenomena is suspected, routine check of the
meteorological records should be made to establish whether

such inversions existed.

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ATIC ATIAE~5 Subject: (Uncl) Utilization of 4602nd AISS Personnel in
Project Blue Book Field Investigations

3. Project Blue Book is acquainted with the physical location of
all 4602nd AISS units and will use discretion in requesting investiga-
tions where long distance travel is required.

4e If this proposed plan is concurred with, Project Blue Book

will provide 4602nd AISS personnel with guidance material for investi-
gations reports of Unidentified Flying Objects,

5, Concurrence and/or comments on the plan proposed in paragraph 2
are requested,

FOR THE COMMANDING GENERA

ADDRE 319.1 (5 Mar 53) 1st Ind

HQ AIR DEFENSE COMMAND, Ent AFB, Colorado Springs, Colorado al

_

—
TO: Commanding General, Air Technical Intelligence Center, Wright-

Patterson Air Force Base, Dayton, Ohio

This headquarters coneurs with plan as proposed in paragraph 2
of basic letter.

FOR THE COMMANDING GENERAL:

1006TH AIR INTELLIGENCE SERVICE SQUADRON
United States Air Force
Ent Air Force Base, Colorado

ALSOP 0 Oeteber 1957

O79 Tt Proteening of “eporte of Unidertifiel Flying jeet Sightincs

yHPcs T owerder
Air votorwe Command
AgT7ivs ApoUT
Mert. Air foree Rave, “olorado

Ms heeintent “hlef of Staff, Intelligence
anxiquarters, USAl
ATTN: Al’ MelAL
vnghington 25— De “e

le ‘The fellewing discussion end reeonsemiations on the Air Force
‘YO program, arx! the 1006th ALSS participetion therein, are satmitted
for your conpiderati am.

2-e CIF TIVE. To eliminate duplication of effort wich currently
axiete in orgeersing reperts of unidentified flying oject (UPOR)

si “" Lineve

3. CURT PROCEDURES:

te Air Deferme “omnsand. When a ropert of a UFOD sighting
is received at Alr Defense Comwnand, it ie routed directly to the
106th ALS for processin:. Other than signing correspondence
prepared b» the 196th ALS relating to J/O3 =atters, Air Defense
cman eevumes “o further responsibility fer processing WO! reports.

be The 1006th AISS. ‘pen reecipt of a JPOP resort, the
LONGth 4155 Legs the report, completes a FOR Index Card (refereme
Inclewure 1) awl forwerde « copy of the completed Index “ard te ATIC,
if the rener’t indicates « meet Jor investigation, ths lecel detechuent
of the LOM4th ATS or squadron cumtueig the devesticat ion
am! the result: ore forwarded t@ ATI, Agcistent ‘hief of Steff, Intel-
ligence, atyi ether interested e (The investigative activitics
of the 1006th ALS heve been led through lack of funds. The
above deseription of procedures of the 1906th AlSs are bewed mm avail-
ability of funds. However, investigations wiich quam be condw ted with
no TL¥ inmvelwed are always carried ont.)

@. Air Technical intelligence enter. Upon receipt of a
(FOB report, an index ecard, practically identical te inclesure 1, is
prepo red, te insufficient information existe on the initial repert,
or if certain agpects of the sighting indizate o need for investi-
gation, a recuest is made te Commander, 1006th AIS, through the

© ,

AJSOP,, 1006th AISS, 8 Gat SY, Subj: Preceseing of Naperte of Uridenti-
fied Flying Oboe’ Signtines

Commander, Air Defemse Command, for Uw Ge Since ATIC
hee eourees of information other than Ue Al,
requirve fewer iarestigations than the 100th AISS memally condeete.

he oe ere 8 The procedures as ye {n paragrephe 3d

necessary details ef the sighting in the remert.
would then condect the Lnvestigetion and repert Use results is
accordame vith current procedures,

be The cheve recounentdstians could be carried cat by
odvinistrative agreenent. Ne change in existing regulations is

Men IPF 9
1 Inel JOR WV. MADOR
UPO® Imex Card Colemel, Ar
“ aanataler

in

HEADQUARTERS
4602d AIR INTELLIGENCE SERVICE SQUADRON (ADC)

ENT AIR FORCE BASE
COLORADO SPRINGS, COLORADO

AISoP
23 November 1954

SUBJECT: Report of Visit of ATIC Representatives

TO: Commander
Air Technical Intelligence Center
ATIN: ATIAE-5
Wright-Patterson Air Force Dase
Dayton, Ohio

1. On 17 and 1% November 1954, the Commander, 4602d ATSS and
his staff met with Captain Charles Hardin, ATIC, and Doctor Allen
Hynek, USAF Contract Astronomer, for the purpose of discussing ATIC-
46024 AISS relationships in the investigation and processing of
Unidentified Flying Objects reports, During the course of the conference
general informtion was exchanged relative to the UFOP progrem, procedures
were developed relative to the handling of UFOB reports and the criteria
for evaluation of reports and conducting investigations were discussed,

2. The evaluation of a11 UFOR reports as well as the lines of
inquiry of investigations, will be governed by the application of certain
hypotheses to the data available, In the majority of cases, provided the
information concerning the sightings is sufficiently complete, the data
will sugcest that the sighting was probably some known object or natural
phenomena, For example, the data available might suggest to the investigator
the hypothesis that the sighting was an aircraft. A check list will then
be applied to the data using the hypothesis that the sightine was an air-
craft. ‘The check list will contain those items which, in combination,char-
acterize aircraft from other possible objects or phenomena, For example,
if the object was en aircraft, then there should have been noise, there
should have been radar observation in certain areas, etc. The application
of these check lists will sugrest the lines of follow-up investigation in
the event the data is insufficient to satisfy the elements of proof neces-
gary to identification, ATIC will furnish the 4602d AISS with the check
lists re°erred to above which will assist in the identification of UFOP's,
and will cover, for example, aircraft, balloons, astronomical phenomene,
guided missiles, etc, In addition a special evaluaticn of preliminary OFOB
reports must be made to determine whether followeup investigations can
reasonably be expected to result in additional reliable and usable data,

3. Evaluation of Preliminary Reports:

a, ATIC will furnish the 46024 AISS with "rule of thumb" criteria
to be used by the Scucdron Headauarters in determining the necessity for