Evidence Explorer

… 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.

…te speed, distance and size, Recommendations The following recanmendations are offered: le Test the ability of pilots to estimate the course of a cnall lighted balloon while doing acrobatics with it at night. It is sugrested @ that several pilots try to fly pursuit curves and collision courses on such targets at night and report accurately their sensations, …

…sult chiefly from inability to estimate speed, distance and size. De RECOMMENDATIONS s lL. Test the ability of pilots to estimate the course of a small lighted balloon while doing acrobatics with it at night. It is sug cested that several pilots try to fly pursuit ourves and collision courses on such targets at night and report accurately their sensations. I…

…g other than the 51's on the SCOPE. Object passed approximately 100 ft. over and 100 1%, to left of flight leader. Wingman on left wing. Cheeked MPIS ARTCC for balloon flights and received word that last one was released from University airport at 24,/144,6%, landed 24/1901% 250 miles ESE of MSP Checked Lowry MFSC to see if any classified flight plans had be…

ie a od , _ . . SECURITY INFORMATION A’ cay !!2---pary } eeroved ? June i943 | (Classification) eport No. 4) ra . & a. : \ . AIR INTELLIGENCE INFORMATION REPORT ; 4 , , , —— a - Area Reported On SW of Minneapol3 , i} fy i Puskas ase at exe lumdouttises 4.| 12 : : i dat Report of Unusual Airborne Object Py 4 % i Prepared by (Officer SOU rCRs onal Observation …

…eet to eight thou- sand (8000) feet approximately eight (8) miles to the north. The object appeared to have a diameter equal to that of a B=29 type aircraft or largere WE further states that he continued driving but glanced from his car window rom time to timé in an attempt to determine the size, shape, color, distance, | height and route of travel of the ob…

…es has shown no increase in meteorite activity and no sightings of unusual phenomena in recent months, 2. Air Weather Service normally launches lighted weather balloons at night, Erratic behavior of a lighted weather balloon, together with physio- logical limitations of night vision might account for such reports, Col PAR a cL CHARLES Y, BANFILL o)\ reese Ge…

« x Ne AF hn ye aie (CLASSIFICATION) APPROVED 1SUN | , COUNTRY | REPORT NO. (LEAVE BLANK) JAPAN _TR-1-52 AIR INTELLIGENCE INFORMATION REPORT SUBJECT | ak Report of Unidentified Obj ect . AREA REPORTED ON FROM (Agency) Misawa Air Base, Honshu, Japan NéhF-B Wing Intelligence DATE OF REPORT , DATE OF INFORMATION EVALUATION 15 May 1952 - _8 May 1952 C-2 —_—_---—…

…ng Object TOs Director of Intelligence Headquarters Command, USAF Bolling AFB Washington 25, D.C. DESCRIPTION: Color: white, size: approximately four (4) times larger than a Star, numbers originally stationary white light at 8,000 feet but at the beginning of the climb separated into two (2) distinct lights as these on an aircraft for landing lights, aerodyn…

…ng Object LO: Director of Intelligence Headquarters Command, USAF Bolling AFB Washington 25, D.C. DESCRIPTION: Color: white, size: approximately four (4) times larger than a Star, numbers originally stationary white light at 8,000 feet but at the beginning of the climb separated into two (2) distinct lights as these on an aircraft for landing lights, aerodyn…

…towards Bridgeport, Conn. from the area of Suffolk County Air Force Base, It then turned around and came back almost above us, This object was definitely not a balloon or star and was moving in a

/ "AF F ORM 112—PART | | he (CLASSIFICATION) APPROVED 1 JUNE 1948 COUNTRY REPORT NO. (LEAVE B, A A). % eras oH U o Sahe TRe3=53E LS wat —_ a . ee AIR INTELLIGENCE INFORMATION Rl REPORT FLYOBRPT i AREA REPORTED ON FROM (Agency) Long Island, New York 5th Ftr-Intep Sq., McGuire AFB, Trenton, NJ. DATE OF REPORT DATE OF INFORMATION EVALUATION 9 January 1953 29 Oc…

…earance: Suddenly disappeared from view while it appeared to be at extreme range, Other Unusual Features: Object appeared to sway like a light suspended from a balloon, 2. Time of Sighting: Between 2100 and 2135 PST, 2 March 1953. Length of time observed 35 mimtes. 3. Manner of Observation: Visual without aids. The 775th AC&W Squadron had no radar contacts w…

(CLASSIFICATION) af’ RESHRICPEO PPROVES 1 JUNE 158 . y eal COUNTRY : REPORT NO, (LEAVE BLANK) 7 | a“ __Uniitea States _ TR-53 W v At @ of ¥en AGH) AIR INTELLIGENCE INFORMATION REPORT any Unidentified Flying Object Report (Short Title: FLYOBRPT) AREA REPORTED ON FROM (Agency) Di rector of Intelligence, Hq 28th Cambria, California Air Div (Def), Hamilton AFB, …

…ft to 18,000 ft tra ree | wat } ACLOEaAScCQ all 4 5 Se | A ale t. c > i, A On 3 r id y*¢ wy a 4. 4 A ra 4. % 7 & > ’ from 10 ary os i QV oS Be rT? ' f from o49 balloons rele ier balloon shortly af ; - 4 gs 4 " , q _ this station to take phot observation of wéa the suspended radiosonde liosonde is lichted at nis thet this oscilation mic¢ht be miscon: aerial o…

…lear; there were no clouds = nothing to block the visione There was no fragments or physical evidence of the object. I think it was a big weather outfit; a big balloon. I would judge the ° 9 * ee ° object to be about 40,000 feet high. Rie ) a: LY 4 72 a PKIDGEL, Thomas WK. Civilian Guard Force Tinker Air Force Base 5 July 1953 Declassification Authority: NND…

…tring appeared to be hanging from the object. I think the last reflections of the sun rays was what made all of us see it so easily. I believe it was a weather balloon, No fragments or physical evidence of the object were observed. ? (7, \ | Laticl A i. Lich hadond RIGSBY, Claude Re Civilian Guard Force Tinker Air Force Base 4 July 1955 Declassification Auth…

…Agency) REPORT NO. PAGE 1 OF 1 PAGES STAR-SHAPED UNIDENTITXED OBJECT MOVING DIRECTA OVERHERD IN A NORTH WEST ee. Sane aus °o KADENA en Ad as gd CRADIOSONDE ° } BALLOON MOVED EAST NAivaA AFTER BEING RELEASED 26°13'N\_, 21° 46'E ait 1-F-20'S AT \SOOORT. eee a ke 15 0R ZO MILES FROM hoe tee ne NARA etl cd EF Re PSSGS 3 Inch | NOTE: THIS DOCUMENT CONTAINS INFORM…

…} ppea, a Frances ye MS bea WOOL the gy NOR ele Ran a iain ey | Se th abt ai a iA i os de Mo RN, HR a 1. Other features; with 25 power scope object looked like balloon i at i A hia a a alia Dy sie 1Gnout pasxev, Lines were Vislole. y ieee eT On Ye NO SAUNT aT ee i Ee ROO: aw PRN A ee ee vi 1On2 moe LLNS OL OLe! LULL} 7 2ZOLO weandard racisic time, 9 YUL +7) …

… Ng ping fall ia et Bo UMN MOLE Ae Mey LO , 000 rind calm or 1 <earLy 80 — VISLOLlivy WL veda. De rT lh ac 3+ S45 ohtand 3} yeah yy ar) ty nt alanhnvana amas € Balloon OVE, mad 2b Signved pevLWee;n 1O ULEGLeDNoNnS LPs » 1D, 2h ; ne on Pig PS Se ane ANP A aS Ri Possible s] ursé. Several other people there and they came to ik abla Lusi ‘ eo differe a fie a ae …