Evidence Explorer

This document outlines the responsibilities and findings of Project 'SIGN', which was tasked with investigating sightings of unidentified flying objects (UFOs). It includes a list of incidents that may be attributed to balloons, indicating a systematic approach to analyzing UAP sightings.

…ver, sone individuals start false reports of "flyine saucers" for the same reason that they turn in false fire alarms. Sone Consistent Points in the Reports of Unidentified Objects, The following section summarizes sone significant facts that come out of a tabulation of 212 reports of interrogations, by USAF Intelligence Officer, of same of the individuals w…

CN Seb we ar VAD Engineering Division Memorandum Report Noe MCREXD=69)-18D 26 April 1919 APPENDIX A PSYCHOLOGICAL ANALYSIS OF REPORTS OF UNIDENTIFIED AERIAL OBJECTS The Inaccuracy of Human Observation Psychologists have long know that human perception is fallible. In fact, part of the science of psychology is concerned with the measurement of errors of obser…

…PITORAT LAL Engineering Division Memorandum Report Noe MC REXD=69l.-18D 26 April 1919 These conditions are largely lacking in the case of the data available on unidentified flying objects. It is impossible to say with any assurance what any partioular individual in this series of 2¥2 reports was actually observing at any particular time, t is only possible ©…

…tions be given to weather observers, control tower operators, civil police, forest and fire rangers, and other such people who might have good chance of seeing unidentified flying objects. If any information concerning unidentified flying objects is given to the public, instructions for reliable observa- tion should be included. 7. This organizat:on will be …

…e ae 5 Hay 1950 ‘COUNTRY . <= ’ secre ne (LEA VE BLANK) 3 Oe JAPAN Jo SIN TRSU/acelo Apisva24— [.- AIR INTELLIGENCE INFORMATION REPORT , SUBJECT eres ; : F: rt Unidentified Aerial Object Py ,, dk / | AREA REPORTED ON i é 9 4; jz” FROM (Agency) £0°30'N -141°30' BE. i te Hq Firth Air Fores, APO 710 DATE CF REPORT Bite ee DATE OF INFORMATION: EVALUATION j PREPA…

… St y iM AF FORM 112—PART | APPROVED 1 JUNE 1948 | COUNTRY «_ ; REPORT NO. : (LEAVE BLANK) JAPAN INT IR-U/AC-10 a 3'7324— / AIR INTELLIGENCE eee REPORT SUBJECT Unidentified Aerial Object SM, Bee ph f AREA meetings ON ; 7: aa i f Ea FROM ory 40°30'N 141°30'R ye om Hq #ifth Air Force, APO 710 DATE OF REPORT DATE OF INFORMATION EVALUATION : 5 May 1950 27 April …

…FICATION) APPROVED 1 JUNE 1948 COUNTRY REPORT NO. (LEAVE BLANK) United States of America IR - 2 + 50 AIR INTELLIGENCE INFORMATION REPORT 4 4 3uHY 3 Sighting of Unidentified Object AREA REPORTED ON ——_———_— aainnaemenanend —_ SUBJECT FROM (AsencY Ds wegtorate of Intelligence, Ninth Texas | Air Force (Adv), Fort Hood, Texas DATE OF saccades DATE OF INFORMATION…

…08 : aoe ER or COUNTRY REPORT NO. United States APXOT 1-52 U/I A/c ehee ca 7, qu Ad, _AIR INTELLIGENCE INFORMATION REPORT | SUBJECT Reporting of Information on Unidentified Flying Objecots AREA REPORTED ON FROM (Agency) __ Michi gan © . Director of intelli genceg Bqs Tenth AF * “DAVE CF ae i DATE OF INFORMATION >. EVALUATION j_ 30 April 1952 sisi 17 April 19…

, APPROVED ¢ JUNE 1948 so Ve es REPORT NO. artot 1-52 uf Vie (LEAVE BLANK) bf Gu fee 4) AIR INTELLIGENCE INFORMATION REPORT (/) . Reporting of Information on Unidentified Flying Objects AREA REPORTED ON FROM (Agency) AF FORM 112—PART | (CLASSIFICATION) COUNTRY United States Michigan Director of Intellizence, Hqs Tenth AF DATE OF REPORT DATE OF INFORMATION EV…

…- ——-- see EET TE OE AF FORM 12—PART t APPRAD. LIUNE 1945 CLASSIFICATION) |r Rowts Korea Me Se VAEET on 3 IM) “AIR INTELLIGENCE. INFORMATION REPORT Sighting of Unidentified nti bsnl AREA REPORTED ON -} FROM (Agency) Far East ey A 19th Bombardment Group, Medium DATE OF REPORT DATE OF INFORMATION: | EVALUATION pd gastos. 26 August 195200 23 sugust 1952 ‘po ees…

…(CLASSIFICATION) AF FORM 112--PART | APPROVED 1 JUNE 1948 COUNTRY UNITED STATES secs 3s 1 ak poasli } Y () mn = 3 AIR INTELLIGENCE INFORMATION REPORT REPORT OF UNIDENTIFIED FLYING OBJECT “AREA REPORTED ON FROM (Agency) LARSON AFB, WASH INTEL OFF 62D TROOP CARRIER WING (4) DATE OF REPORT DATE OF INFORMATION EVALUATION 19 JAN 53 8 JAN 53 Be2 PREPARED BY (Offic…

… nt | AF FORM 112—PART | Le SECRE= (CLASSIFICATION) Ay COUNTRY JAPAN REPORT NO. _IR-1-52 (LEAVE BLANK) A567 | \ ! AIR INTELLIGENCE INFORMATION REPORT Report of Unidentified Object \\ A AREA REPORTED ON Misawa Air Base, Honshu , Japan FROM (Agency) léhF-B Wing Intelligence DATE OF REPORT 15 May 1952-° DATE OF INFORMATION 8 May 1952 EVALUATION C#2 PREPARED BY …

… WE FORM 112—2PART | APPROVED-13UNE 1948 - COUNTRY . REPORT NO. (LEAVE BLANK) an epee “ JAPAN TR-1-52 ADEE | AIR INTELLIGENCE INFORMATION REPORT \\ ' Report of Unidentified Object Le | > (CLASSIFICATION) SUBJECT AREA REPORTED ON FROM (Agency) Misawa Air Base, Honshu, Japan léhF-B Wing Intelligence DATE OF REPORT DATE OF INFORMATION EVALUATION 15 May 1952. | …

…nrraphasl te whl ¥ OG GV. i COUNTRY REPORT. NO. (LEAVE BLANK) f } : Mm mr con Japan, (Kyushu) TRe1+52 U se |< ‘SUBJECT AIR INTELLIGENCE INFORMATION REPORT _.._ Unidentified Fling Object “AREA REPORTED ON FROM (Agency) Intelligence Office Sea of Japan, Kyushu area | 6lst Troop Carrier Group (Heavy) DATE OF REPORT DATE OF INFORMATION EVALUATION hk March 1952 4…

… “ Pep / fy fy COUNTRY REPORT. NO. (LEAVE BLANK) we Japan, (Kyushu) TRe1-52 } if AF FORM 112—PART | | : af ae. Zz SUBJECT AIR INTELLIGENCE INFORMATION REPORT _ Unidentified Flying Object ‘AREA REPORTED ON FROM (Agency) Thtellieence Office ___Sea_of Japan, Kyushu area 6lst Troop Carrier Group (Heavy) DATE OF REPORT | : DATE OF INFORMATION EVALUATION _. _ k Ma…

… r= 1948 Bhp iad Us j ieee i /; i a ifs COUNTRY f aie ts . oe ae t “TR- 3-53 ua L, Wat 5 ae AIR INTELLIGENCE INFORMATION REPORT Report of the Observation of an Unidentified Flying Object United States AREA REPORTED ON FROM (Agency) Austin, Texas l2th Strategic Fighter Wing DATE OF REPORT DATE OF INFORMATION EVALUATION 26 January 1953 23 January 1953 B=2 PREP…

AIRWAYS AND AIR COMMUNICATIONS SERVICE DETACHMENT 1921-1 1921ST AACS SQUADRON Bergstrom AF Base, Austin, Texas 26 January 1953 SUBJECT: Sighting of Unidentified Targets Base Intelligence Bergstrom AF Base Austin, Texas It is my opinion that the unidentified targets sighted by Tech- nical Sergeant Kelley, Friday, 24 January 1953, was not due to mal- function …

…) ‘ AF FORM 112—PART I APPROVED. 1 JUNE 1948 i “Dnited States |"F%. 3-53 ae ie U3 t 59-3! AIR INTELLIGENCE INFORMATION REPORT | Report of the Observation of an Unidentified Flying Object AREA REPORTED ON ; FROM (Agency) Austin, Texas 12th Strategic Fighter Wing DATE OF REPORT , DATE OF INFORMATION ; EVALUATION ‘ , 26 January 1953 23 Jamary 1953 B-2 | PREPARE…

AIRWAYS -AND AIR COMMUNICATIONS SERVICE DETACHMENT 1921-1 1921ST AACS SQUADRON Bergstrom AF Base, Austin, Texas 26 January 1953 SUBJECT: Sighting of Unidentified Targets TOs Base Intelligence Bergstrom AF Base Austin, Texas It is my opinion that the unidentified targets sighted ie ee Friday, 24 January 1953, was not due to mal- function of the radar set invo…