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78 matching evidence objects

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Matching “Radiometric Noise” across titles, summaries, and full OCR text.

100% match

REL 2-4-1, UFOs, (1965) — Page 1

Foia Release Unclassified Released Jun 15, 2026 Credibility 70% Original ↗
HEADQUARTERS AREA CODE 303 AIR DEFENSE COMMAND TEL: 635-8911 UNITED STATES AIR FORCE EXT: 6894 ENT AIR FORCE BASE, COLORADO 80912 REPLY TO ATIN OF; ANDCIO-C SUBJECT: Memorandum for the Record SHIELD OF FREEDOM 8 Sep 65 To: ADCIO—{ ADOIN 1. Confirming telecon, 1145 a.m., 3 Sep, from ADCIO-C to ADOIN, following is essence of a UFOB report received Wis, Telecom…
100% match

311003081

Foia Release Unclassified Released Jun 15, 2026 Credibility 70% Original ↗
311003081
100% match

733667-001-011-0120

Other Unclassified Released — Credibility 80% Original ↗
This document outlines technical guidelines for digitizing cultural heritage materials, focusing on the evaluation of imaging systems' performance through various metrics such as Spatial Frequency Response (SFR) and Modulation Transfer Function (MTF).
100% match

733667-001-015-0017

Radar Report Unclassified Released — Credibility 80% Original ↗
This document appears to be a transcript of an air traffic control communication involving United Airlines Flight 69 and a Japan Air 747, discussing the identification of an unidentified trailing aircraft.
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23857122-0457-180273-0034

Other Unclassified Released — Credibility 70% Original ↗
This document presents findings from collateral studies related to UAP incidents, focusing on the categorization of reports based on various characteristics to identify patterns.
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23857122-0457-180273-0348

Foia Release Unknown Released — Credibility 1% Original ↗
… » 1000 ft over~ head, heading S.E., and banking in the sum. The obfects were in sight 45-60 seconds P and alleged to be thirty feet in dianeter. ‘They made no noise. While the objects were Within sight, the observers compass fluctuated wildly. He states that he read of a former sighting (incident No. 17) also occurring on 24 June 19);7 » and submitted this …
100% match

23857122-0457-180273-0369

Foia Release Unknown Released — Credibility 1% Original ↗
…ay 1 a Ronny }. m Ts if a on ory ra water throurh a sieve breaking into spheres ol Q, shape as they descended. No streak lichtning {14 type was observed and no noise attended the fir other than the usual roar of the storm." Possible Obiects to ¥fh3 so cance ten Saat cn en ee 7 Pe , Par “ae poe pee Ae Wer ee Lithtning strokes are more likely to hit a WO eer: …
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23857122-1022-446840-0001

Foia Release Unknown Released — Credibility 1% Original ↗
…MSL), The object traveled in a slight curve but at a constant altitude, The observer stated that the object apparently was followed by a high pitched crackling noise. The sound trailed the object by four (4) seconds. The object appeared fire red in color, with no visible contrail or exhaust trail. The observer stated the object traveled faster than any jet h…
100% match

23857122-1022-446840-0002

Foia Release Unknown Released — Credibility 1% Original ↗
…bout the size of a large jet exhaust. Color: Fire red. Speed: 600 to 900 MPH. Maneuvers: Appeared to move in a slight curve toward northwest. 2 from southeast. Noise: High pitched crackling sound. Manner of Disappearance: Lost from view behind nearby mountains. Altitude: Estimated 5,000 ft above terrain. : Estimated 3/4 to one (1) mile. Other Factors: Negati…
100% match

23857122-1022-446840-0007

Foia Release Unknown Released — Credibility 1% Original ↗
… 27. What were you doing at the time you saw the object, and how did you happen to notice it? I was on sidewalk in front of a residence when I heard an unusual noise. looked * oe 4 aa yt on Ps oi into the sky to the west and saw object. 28. IF you were MOVING INAN AUTOMOBILE or other vehicle at the time, then complete the following questions: Does not apply …
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23857122-1022-446840-0012

Foia Release Unknown Released — Credibility 1% Original ↗
…MSL), The ebject traveled in a slight curve but at constant altitade, The observer stated that the object apparently was followed . Dera high pitched crackling noise. The sound trailed the object by four (4) seconds. She object appeared fire red in color, with no visible contrail or exhaust trail. Ske chserver stated the object traveled faster than any jet h…
100% match

23857122-1223-482226-0001

Foia Release Unknown Released — Credibility 1% Original ↗
…pe exhaust. (See diagram). The object appeared round, brilliant white in color and larger than the largest star in the sky. There was no discernible propulsion noise. S/Sgt Helmer states the object disappeared in about one minute after traveling through about 30 degrees of arc. It faded from view as if due to great distance. 2. Significance — Unknown. APPROV…
100% match

23857122-1223-482226-0007

Foia Release Unknown Released — Credibility 1% Original ↗
…pe exhaust. (See diagram). The ebject appeared round, brilliant white in color and larger than the largest star in the sky. There was no discernible propulsion noise. HEE) ss'2tes the object disappeared in about one minute after traveling through about 30 degrees of arc. It faded from view as if due to great distance. 2. Significance — Unknown. APPROVED: RUD…
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23857122-1310-496480-0005

Foia Release Unknown Released — Credibility 1% Original ↗
…ETO during WW II, with the above named organization. After we parked the car near "Four Corners" we lowered the windows and listened carefully for any possible noise produced by the light. We did not hear any, however, we were able to determine with the help of a telephone pole on the West side of the highway, thet the light was travelling slowly toward Nort…
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333336166

Foia Release Unknown Released — Credibility 1% Original ↗
AF FORM 112—PART | Rectzreteyr APPROVED ae 1948 | Ai cgnroboaieauclttcihs COUNTRY REPORT NO. USA F5G-T—4 __AIR INTELLIGENCE INFORMATION SIGHTING OF UNIDENTIFIED LIGHT ‘AREA REPORTED ON wee SUBJECT F ) Ty ek ia LN WESTFIELD, MAINE (N46® 341 W67°%55!) FEICHT’5~c, 46024 AISS, PRESQUE ISLE AFB DATE OF REPORT DATE OF INFORMATION EVALUATION 27 February 1955 2) Feb…
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23857122-1381-512021-0003

Foia Release Unknown Released — Credibility 1% Original ↗
… Unknowns Color: White with milky white trail. Speed: 2700 MPH (est)e Maneuvers: Traversed from east to west. Appeared to climb slightly in an are toward WNW, ‘Noise: None. Manner of Disappearance: Like a bright light being turned off abruptely. Altitude: Est. - 500~1000 feet above terrain. Range: Este ~ 20 miles. Other Factors: Negatives (2) 2209 MST, 27 De…
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23857122-1381-512021-0004

Foia Release Unknown Released — Credibility 1% Original ↗
…s, a AIR INTELLIGENCE INFORMATION REPORT FROM (Agency) 34th Air Division (Defense) REPORT NO. TR=23=52W PAGE OF PAGES (1) Shape: Size: Color: Speed: Maneuvers: Noise: Manner of Disappearance: Altitude: Range: Other Factors: (3) Visual observation, COMMENTS of Preparing Officer: Round with contrail. Unknown. White light with white trail, 500 to 2700 MPH (est)…
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23857122-1381-512021-0005

Foia Release Unknown Released — Credibility 1% Original ↗
… pea viewed at arms length. Color: Milky white; faint luminous white trail. Speed: 2500 MPH (est). Maneuvers: Traveled from east to west in slight curved path. Noise: None. Manner of Disappearance: Behind high broken clouds. Altitude: Above 30,000 ft. MSL, Range: Unknown « Other Factors: Negative. (2) Approximately 2212 MST, 27 December 1952, Albuquerque, Ne…
100% match

UAP D018 Gemini 4 Experiment Debriefing 1967

Other Unclassified Released — Credibility 90% Original ↗
The document is a detailed debriefing of the Gemini 4 mission, focusing on the additional flight activities and the performance of the spacecraft and crew during the mission. It outlines the objectives, procedures, and experiments conducted during the flight, including extravehicular activities and rendezvous maneuvers.