Within IR Glare

When Infrared Wakes Came From the Camera

AARO found that apparent trails and odd outlines in several recordings came from sensor effects rather than exotic propulsion.

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On this page

  • Why apparent trails looked physically unusual
  • How sensor artefacts changed outline and wake appearance
  • What the identified aircraft cases demonstrate

Introduction

In the All-domain Anomaly Resolution Office’s “Atmospheric Wakes” cases, infrared video seemed to show objects leaving unusual trails suggestive of a physical disturbance or unfamiliar propulsion. AARO’s eventual conclusion was much less exotic: across three missions in the Middle East and Mediterranean in 2022–23, the apparent wakes were produced by the imaging system rather than by the objects moving through the atmosphere. One object was linked to a military aircraft, another was identified with high confidence as an Airbus A380, and even an unidentified object showed no anomalous behaviour.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

Wakes Cases illustration 1
Explanatory illustration 1

These cases are especially useful for understanding infrared UAP footage because the artefact affected more than brightness. It apparently created structure: trails behind moving targets and, in one instance, an elongated outline. The lesson is therefore narrower but stronger than simply saying that infrared glare can hide an aircraft’s shape. A processed infrared video can contain visible features that do not correspond to any physical feature of the target at all.

Why the apparent wakes looked physically unusual

The reports began with a legitimate observational puzzle. According to AARO’s case-resolution document, operators submitted reports from three separate missions because the infrared videos appeared to show a potentially anomalous propulsion signature and therefore raised a possible mission hazard. AARO labelled the reported behaviour as potential anomalous propulsion rather than treating the recordings from the outset as routine aircraft footage.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

A trail is particularly persuasive to a viewer because it seems to connect an object’s appearance with its interaction with the surrounding air. If a luminous or dark region consistently extends behind a moving object, the intuitive interpretation is that something physical occupies that region: exhaust, condensation, disturbed air or some more unusual wake phenomenon. In UAP analysis, that can make a poorly resolved object seem stranger than a simple infrared blob because the apparent trail seems to provide information about how it is moving.

The Atmospheric Wakes investigation found an important diagnostic clue against that interpretation. One of AARO’s science and technology partners concluded that the trails were camera artefacts associated with objects rapidly traversing the camera’s field of view. Crucially, the analysts observed that other objects in the videos produced similar trails. A second science and technology partner independently analysed the full-motion video and infrared sensor and also reached a high-confidence conclusion that the wakes were sensor artefacts.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

That comparison changes the evidential meaning of the trail. If unrelated objects recorded by the same imaging chain develop the same wake-like signature, the common factor may be the sensor and processing rather than a shared aerodynamic or propulsion phenomenon.

There is a well-established technical reason to take that possibility seriously. Digital video is not necessarily a succession of independent photographs. Common video-compression systems exploit similarities between frames and use motion prediction or compensation to represent moving imagery efficiently. Compression can consequently introduce distortions associated specifically with motion and moving edges. Technical literature documents motion-compensated edge artefacts, while general codec documentation describes blocking and other errors that arise when motion between frames is represented imperfectly.[PubMed]pubmed.ncbi.nlm.nih.govQuality evaluation of motion-compensated edge artifacts in compressed video - PubMed…

This does not establish that every trail in infrared footage is a compression artefact. It explains why a trail cannot safely be treated as atmospheric evidence until investigators have checked the original sequence, the behaviour of other targets and the relevant sensor and processing chain.

14:02

How the camera changed both wakes and outlines

The most revealing feature of the AARO report is that the imaging problem did not manifest in exactly the same way in every case. The report describes three separate missions, yet concludes that the supposed atmospheric wakes in all three were sensor artefacts. It also records a second kind of distortion: in Case Two, an unidentified object appeared oblong because of what AARO called a “camera aberration”.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

That detail connects Atmospheric Wakes directly to the broader problem of infrared glare and misleading silhouettes. The displayed image was not simply an imperfectly detailed version of the target. At least according to AARO’s analysis, the imaging chain could alter the apparent geometry sufficiently to make one target look elongated.

Case Two contained two reported objects. AARO compared aircraft-location information from the area and found that one object’s position closely matched the track of a military aircraft. The second could not be matched in the same way, but line-of-sight analysis and comparison with known objects led analysts to assess with medium confidence that it was a small aircraft. Its oblong appearance was attributed to the camera rather than accepted as a reliable description of its physical shape.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

This is an important distinction when interpreting marginal infrared targets. There are several different questions that can easily become conflated:

  • Was something actually present? A genuine target can be present even when its displayed outline is misleading.
  • Was the visible trail physically present? In these cases, AARO concluded that it was not.
  • Does the displayed silhouette describe the target’s body? Case Two shows why the answer can also be no.
  • Can the underlying object nevertheless be identified? Sometimes it can, using flight tracks, geometry and size estimates rather than relying on the infrared outline alone.

The final point is demonstrated particularly clearly by Case Three.

Wakes Cases illustration 2
Explanatory illustration 2

The Airbus A380 provided a reality check

Case Three supplied the strongest object-level identification in the group. AARO’s intelligence partners identified the UAP with high confidence as a specific Airbus A380 using commercial flight data. Photogrammetry — measurement using imagery and scene geometry — produced an estimated size close to that of an A380. The aircraft was also travelling along a recognised commercial route.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

That combination matters because it separates what the target was from what the video made it look as though the target was doing. The independent information pointed towards a very large, conventional passenger aircraft. Yet the infrared recording still contained an apparent wake sufficiently odd to contribute to a UAP report.

Case Three therefore acts as a useful control within the series. If an independently identifiable airliner can acquire a wake-like sensor signature, the presence of such a signature in a less identifiable recording cannot by itself demonstrate unconventional propulsion. AARO ultimately assessed the Case Three object as an identified commercial aircraft and the apparent wake as an artefact.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

The same logic applies, with different levels of certainty, across the other cases. In Case One the underlying object was never identified, but AARO’s intelligence partners nevertheless judged with high confidence that it showed no anomalous characteristics and considered it almost certainly prosaic. Case Two combined a tracked military aircraft with a second probable small aircraft. The investigation therefore did not require every object’s precise identity to establish that the recurring wake signature belonged to the imaging problem.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

That is a useful methodological point in UFO identification. “Unidentified” and “anomalous” are not interchangeable. Investigators may lack enough information to determine an aircraft’s exact identity while still having enough evidence to reject a particular extraordinary interpretation of one feature in the recording.

2:54

The South Asia footage reinforced the pattern

A separate but closely related example appeared publicly during the April 2023 Senate Armed Services Committee hearing on UAP. Then-AARO director Sean Kirkpatrick presented MQ-9 infrared footage from South Asia showing an object with what appeared to be an atmospheric wake or cavitation behind it. The Department of Defense said subsequent analysis incorporated the full-motion video, longer-focal-length imagery and commercial flight information. AARO assessed that the object was probably a commercial aircraft and that the trailing effect resulted from video compression.[U.S. Department of War]defense.govU.S. Department of WarDOD Working to Better Understand, Resolve Anomalous Phenomena > U.S. Department of Defense > Defense Department New…(https://www.defense.gov/News/News-Stories/Article/article/3368109/dod-working-to-better-understand-resolve-anomalous-phenomena/)

The additional sensor view was important because changing the focal length did not simply reveal a clean, stable physical object. The Department of Defense explained that apparent back-and-forth movement in the longer-focal-length footage resulted from the sensor trying to zoom onto a fast-moving target rather than from equivalent manoeuvring by the MQ-9 or target.[U.S. Department of War]defense.govU.S. Department of WarDOD Working to Better Understand, Resolve Anomalous Phenomena > U.S. Department of Defense > Defense Department New…(https://www.defense.gov/News/News-Stories/Article/article/3368109/dod-working-to-better-understand-resolve-anomalous-phenomena/)

Taken alongside the formal Atmospheric Wakes cases, the South Asia example shows why investigators need the complete imaging sequence rather than an isolated dramatic frame. Zoom changes, tracking behaviour and compression can each alter how motion and boundaries appear on screen. AARO’s current imagery catalogue continues to describe both South Asia sensor views as showing a likely commercial aircraft whose trailing “cavitation” is a compression artefact.[AARO]aaro.milUAP ImageryAARO UAP Imagery…

The distinction between the two sets of material should nevertheless be preserved. The formal Atmospheric Wakes resolution covers three missions in the Middle East and Mediterranean in 2022–23; the publicly released South Asia MQ-9 footage is a related example presented separately. Treating every wake-like infrared clip as one single incident would obscure the more useful finding: comparable sensor-generated features appeared in multiple recordings.

21:25

What the aircraft cases actually demonstrate

The Atmospheric Wakes cases do not prove that every unusual infrared trail is artificial, nor does the short public report reveal enough technical detail to reproduce every stage of AARO’s sensor analysis independently. The released resolution does not identify the specific infrared system, publish its complete processing configuration or provide a frame-by-frame engineering derivation of the artefact. Its strongest publicly available support is comparative: intelligence analysis, aircraft-location data, photogrammetry, full-motion-video examination and two science-and-technology assessments converged on a sensor explanation.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

The public evidence therefore supports a more precise conclusion than either “the camera explains everything” or “the wake must have been real”. Video-compression research independently establishes that moving imagery can acquire motion-dependent distortions, particularly around boundaries, and AARO reports that its specialists found such sensor-generated trails in these particular recordings.[AAAI Open Research (OJS)]ojs.aaai.orgAAAI Open Research (OJS)Video Compression Artifact Reduction by Fusing Motion Compensation and Global Context in a Swin-CNN Based Paralle…

For UAP analysis, three practical lessons follow.

First, a feature attached to a moving target need not belong to the target. A trail can arise downstream in the imaging and video-processing chain. The apparent relationship between an object and its wake is visually compelling but not automatically physical.

Second, shape and identity should be tested against independent information. Case Two’s apparently oblong object was judged to have a camera-distorted outline, while Case Three’s apparently unusual target could be checked against commercial flight data and an image-based size estimate consistent with an Airbus A380.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

Third, comparison within the same recording can be more informative than staring at the UAP itself. AARO specifically noted that other objects produced similar trails. That is a powerful diagnostic because it asks whether the supposedly extraordinary feature follows the suspected craft or instead follows the behaviour of the camera.

Wakes Cases illustration 3
Explanatory illustration 3

From strange silhouette to sensor signature

The lasting value of the Atmospheric Wakes cases is not that they supply a universal explanation for infrared UAP. It is that they provide concrete examples of how a sensor can manufacture exactly the sort of feature that viewers are tempted to interpret physically.

The original reports were not frivolous: operators saw imagery that appeared potentially hazardous and suggestive of unusual propulsion, so reporting it was appropriate. Investigation then changed the interpretation. One target correlated with a military aircraft; another was probably a small conventional aircraft despite its camera-induced oblong appearance; and a third was identified with high confidence as an Airbus A380. Across all three missions, AARO and its technical partners concluded that the wake-like structures came from the sensor rather than the atmosphere.[AARO]aaro.milCase Resolution of 'Atmospheric WakesCase Resolution of 'Atmospheric Wakes'…

That makes Atmospheric Wakes a particularly instructive case within the problem of infrared glare hiding ordinary object shapes. Infrared imagery can do more than erase wings or turn a distant aircraft into a blob. Motion, aberration and video processing can also add apparent geometry — elongation, trailing structure and movement — that seems to describe the object but actually describes the camera’s response to it. For UFO and UAP identification, the displayed silhouette is therefore evidence to be analysed, not a literal tracing of the thing in the sky.

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Endnotes

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