Evidence Explorer

This document details an incident involving Japan Airlines flight JL1628, which reported seeing unidentified traffic while en route from Reykjavik to Tokyo. The FAA and military were alerted, but subsequent radar data failed to confirm any other aircraft in the vicinity.

This document outlines the procedures for analyzing UAP sightings, including data collection, statistical analysis, and consultations with various scientific and technical experts to determine the nature of reported incidents.

The document discusses the findings and recommendations regarding unidentified flying objects (UFOs), concluding that they do not pose a direct threat to national security and suggesting a reduction in the scope of investigations.

This document details multiple sightings of unidentified aerial phenomena (UAP) that were reported to be moving against prevailing winds and exhibiting speeds and behaviors inconsistent with known balloons or meteors. Observers noted various characteristics of the objects, including altitude, speed, and direction, leading to the conclusion that they were not…

…above the rround. The object made a swish= o i bad - to vw ing sound, and was sky~blue in color. The farmer doubted the possibility of its visibility if viewed against the sky. The children told of smokeless tur re bine or exhaust flames shooting from tie device through which could be seen daylight. ‘The object passed over some trees, which in the words of t…

…Cross LY £ BY A bet Mh DAU y anu that as tl 2B gab WX rh boat Ula natin’ nh tes et Tt 4p yy ok oy 5 ae PE ay Bg LP AES ag +L +Vrerar tan which was "silhouetted against a brilliant evening sky", they w Rk tat ap mer sia heres , Be hen ate ae are nf ‘ vi ss NEP SUEY ly blinded, and were therefore unable to discern wings or cngine Declassification Authority: NN…

…OVED xs oe me Ll @) 4 yy ole vi rn di dewbe whe SS 0) ” ver — Tene) ee } ayy ae i re EE CE. pe Oise. Cees Views. Oia onject at &000 to LO ,Q00 da altitude, ack against a cloud. It appeared to be * ‘ Wrst rv £ lve, ~ +4 wanes ae yr <*> Sy aot from point of observation. The OSI report of investi Ten 25 OR 1 YH pany yh ++ » ¢ by) ree } ele tr oOonsearver UliOu;…

… have seen, it is not possible to judge speed accurately under the emditions of these observatims, i.6., when looking at € objects of unknowm size and distance against a night skye The objects may actually have been a flock of white birds, flying at a relatively low altitude and reflecting the lights of the oitye Incidents 30, 30b, 30c, and LS, lisa, lSb, lf…

…xploring space. thus it appears that space travel from another point within the Solar system is possible but very unlikely. Odds are at least a thousand-toeone against it This: leaves the totality of plan iets of other stars in the Galaxy as possible sources. J/any mocern astronomers believe that planets are fairly normal and logical affairs in the life hist…

…e followei a ccurse similar to terrestrial evolution. With this assumption, three general possi- bilities emerge. Intelligent beings may have haa hh themselves against the excessively slow loss of atmos phere, oxygen and water, by constructing homes and cities with the physical conditions scientifically con- 28 larg trey might be v wiaigie Perhaps under rou …

(a ” ami} - = ee oo ~ TECHNICAL REPORT No 102-AC 1:9/15~-100 erpgenears © oS RES FER sg RTE A ‘ gir 4 306 30 UNIDENTIFIED FLYING OBJECTS Project "GRUDGE" —_,. a, ’ f a . ~ a = * . bAL ces eS «CA et te , August l9i)¢ HEADQUARTERS “a! Ls AIR MATERIEL COMBAND WRIGHT - PAT TERSON AER FORCE BASE wz i ie : iy ; 29 Ts Tt. DECLASSIFIED .| ol a re ae Sec. 5.4 a 0) A …

…taken -- to the F.3.I. in San srancisc . ’ st fy his return to the Z.I. ¢ also claims to have protested in 1947 to the 0.1.0. - , i at Langley Field, Virginia, against the puolic sale of ITY equipment. DALTON SMITH oa ' Major, USA? . Asst to Director of Intelligence ot 3: ts te hts AT ON Shik Lh | lial Oil, d y » he A Png 4 q % fi i 2 4 j i i 1 3 a { 3 a lon…

…taken -- to the F.B.1. in San Francisco after his return to the Z.I1. Mr. Maxey also claims to have protested in 1947 to the C.1.C. at Langley Field, Virginia, against the public sale of IFF equipment, Major, USAF Asst to Director of Intelligence NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING O…

…a eee viii and of undetermined‘width, however, it was thin’ ani somewhat resembled a tox tar- igcse. The object was white and. observed clearly when contrasted against the water. : 3. The pilot descemled to 18,000 ft and searched the area for the unidentified jeoject Por approximately fifteen mimites. before returning to Misawa Air Base. The . miics had goed…

…(12) ft high and of undetermined width, however, it was thin) and somewhat resembled a tow tar- iget. The object was white and observed clearly when contrasted against the water. 3. The pilot descended to 18,000 ft and searched the area for the unidentified object for approximately fifteen minutes before returning to Misawa Air Base. The pilot had good radio…

ee oe ° , en = ’ > * ~ « ; % i <3 2 ~ ‘ —s i- . <- - s aw oe a “$3 AF FORM: 12—PART E- APPAOVED ft JUNE 1948 fa ~ aia aed | Ss | (LEAVE BLANK) Se SAPAN. . 25 | INT: TRU /k0-11 | AIR INTELLIGENCE INFORMATION REPORT 2 Unidentified Aerial Object | : Lf ad] 5 KEPOAT=D CN . | | FROM (Agency) 45 23'N l4l 41s 4 Fifth Air Force, APO 710 D2 Gr REPORTS. sn ” DATE OF I…

…knots 240 TACOMA, WASH 8,000' 38 knots 260° All Personell reported the object just below cloud layer and heading in a Séuth West direction from LARSON which is against the above Winds aloft reports from stations surrounging this base, No one reported the object disappearing into the clouds, Most observere reported on in to their respective jobs as this unit …

… | TACOMA, WASH — 8,000! 38 knots 260° 3 | All Personell reported tha object just bsalow cloud layer and heading in a S&uth West direction from LARSON which 1s against the above Winds aloft reports | from stations surrounging this base, No ons reported the object disappearing into | She elouds. Most obsarvers reported on in to their respective jobs as this u…

…e was standing at an elevation of . feet on the south port terminal building Mr. Brown that the objec than any ballon he has ever sighted S40 The objects moved against the winds was from the north at Ss Mr. Brown feels strongly that he actually known aircraft. There was no glimmer or reflection witnesses the aid of the theodolite He did ‘ot find his ballon, …

2 Ar FD ORM 112—PART f ‘aban 1 JUNE 1948 V countny | REPORT NO. ay crx ye. USA 1-53 ae bel ft eee I ne tr mt we ee a P a ra _ AIR INTELLIGENCE INFORMATION REPORT (CLASSIFICATION) é + $ 4 LF? we f : Y, qentifiled fTlyinzs o| . a ae + a ee ateage — —_ AREA REPORTED ON | FROM (Ageney) Yuma, ,rizona Ai +7 50th ARG, Yurs County Airport, Ariz, i DATE OF REPORT DAT…