Why Infrared Footage Can Fool Viewers

Introduction

The Puerto Rico infrared video became famous because viewers believed they were watching an object perform impossible manoeuvres: racing low across Aguadilla, slipping into the ocean without slowing, re-emerging, and finally splitting into two. Yet almost every dramatic moment in the footage depends on how infrared imagery can distort motion, distance and shape when filmed from a moving aircraft at night. The debate around the case is therefore less about whether the video exists — it clearly does — and more about how human perception interacts with thermal sensors, aircraft geometry and uncertain scale.

Supporters of the anomalous interpretation, especially the Scientific Coalition for UAP Studies (SCU), argued that the object showed extraordinary performance. Later analysis by the U.S. All-domain Anomaly Resolution Office (AARO) reached the opposite conclusion, arguing that the apparent anomalies were visual illusions caused by parallax, thermal blending and line-of-sight effects. [Armed Services Committee]armed-services.senate.govaaro slides 112124Armed Services CommitteeAARO Open Hearing Case Slides10 Oct 2024 — Modeling and Minimum Separation Vectors analysis indicates the illusio… [AARO]aaro.milPuerto Rico UAP Case ResolutionAAROAARO Puerto Rico UAP Case Resolution20 Mar 2025 — AARO assesses with moderate confidence that the objects were a pair of sky lanterns… [Zenodo]zenodo.orgZenodo2013 Aguadilla Puerto Rico UAP: The detailed analysis of…6 Aug 2015 — This report is a detailed analysis of a Homeland Security…

Why the footage looked faster than it probably was

One of the strongest impressions in the Aguadilla video is speed. The object appears to shoot across the landscape at a pace that seems incompatible with drifting balloons or lanterns. That impression shaped the entire case because the object’s apparent velocity was one of the main reasons investigators treated it as potentially extraordinary.

The difficulty is that infrared footage from an aircraft does not naturally communicate scale. The camera was mounted on a moving Customs and Border Protection aircraft, itself turning and repositioning while tracking the target. When both the observer and the target are moving, even slowly, the apparent motion across the background can become misleading. This is the classic parallax problem.

Motion parallax from a circling aircraft

Parallax occurs when nearby and distant objects appear to move at different speeds relative to the observer. In the Aguadilla case, the camera platform was airborne and banking while the sensor continuously adjusted its angle. A small object drifting with the wind could therefore appear to streak over the ground if viewers assumed it was much farther away than it really was.

AARO’s reconstruction argued that the object’s perceived speed resulted largely from this geometry rather than genuine rapid acceleration. The office concluded that the objects moved “in a straight line at wind speed” and that the high-speed impression came from the aircraft’s motion and changing sensor perspective. DVIDS [Armed Services Committee]armed-services.senate.govaaro slides 112124Armed Services CommitteeAARO Open Hearing Case Slides10 Oct 2024 — Modeling and Minimum Separation Vectors analysis indicates the illusio…

This matters because estimated speed depends entirely on estimated distance. If the object was close to the aircraft, then its movement across the frame corresponds to a modest real velocity. If it was far away, the same pixel movement implies extreme speed. The infrared video itself does not directly reveal which interpretation is correct.

Sceptical analysts later compared the estimated motion to local wind data and argued that the drift rate matched floating lanterns surprisingly well. Some reconstructions estimated movement near ordinary wind speeds rather than the near-100 mph values proposed in the SCU analysis. [Reddit]reddit.comRedditThe 2013 Aguadilla UFO incident portrayed as authentic in…Speed ≈ 3.6 m/s (~8 mph), consistent with measured surface winds (~9.8…

Zoom and tracking amplified the effect

The sensor operator also contributed unintentionally to the illusion. Thermal targeting systems are designed to keep a tracked object centred while zooming and compensating for aircraft movement. This creates a visually unstable background. Roads, coastlines and buildings slide rapidly underneath the target, making the object seem more active than it may really be.

Because the object remained centred while the terrain shifted dramatically behind it, many viewers instinctively interpreted the scene as the object aggressively manoeuvring. In practice, the opposite may be true: much of the movement came from the tracking system itself.

This distinction became central to later sceptical explanations. If the camera is doing most of the motion, then the object may have been comparatively passive.

The “dive into water” may have been thermal blending

The most famous moment in the video is the apparent transition from air into water. To many viewers, this was the strongest evidence that the object was not conventional technology. The object seems to disappear into the sea without a visible splash or deceleration and later reappear.

AARO directly challenged that interpretation. According to its reconstruction, the object never entered the water at all. Instead, the thermal contrast between the object and the ocean changed until the sensor could no longer separate them. [AARO]aaro.milPuerto Rico UAP Case ResolutionAAROAARO Puerto Rico UAP Case Resolution20 Mar 2025 — AARO assesses with moderate confidence that the objects were a pair of sky lanterns… [DefenseScoop]defensescoop.comDefenseScoopPentagon's UAP office reviews findings on Go Fast, Puerto…19 Nov 2024 — “The video appears to show an object traveling at…

Thermal crossover near land and water

Infrared cameras do not see visible shapes in the ordinary sense. They detect temperature differences. A warm object against a cool background stands out clearly, while an object with a similar thermal signature to its surroundings can effectively vanish.

The Puerto Rico footage was captured in the mid-wave infrared band using a Wescam MX-15D system. SCU described the camera as operating in the 3–5 micron infrared range. [Zenodo]zenodo.orgZenodo2013 Aguadilla Puerto Rico UAP: The detailed analysis of…6 Aug 2015 — This report is a detailed analysis of a Homeland Security…

At night, coastlines create especially difficult thermal conditions. Land and water cool at different rates. Reflections, humidity and atmospheric absorption can alter apparent brightness. An object visible over warmer land may become hard to distinguish once viewed against cooler water or vice versa.

AARO argued that this “thermal crossover” effect explains the apparent submersion sequence. As the object moved over water, its infrared contrast dropped until the camera effectively lost it. The object then became visible again when contrast conditions changed. [DefenseScoop]defensescoop.comDefenseScoopPentagon's UAP office reviews findings on Go Fast, Puerto…19 Nov 2024 — “The video appears to show an object traveling at…

That explanation is less visually dramatic than a transmedium craft entering the ocean, but it is consistent with known infrared imaging behaviour.

Compression and low-resolution ambiguity

Another complication is video quality. Much of the publicly circulated footage was compressed, stabilised, copied or digitally processed before widespread analysis. Small infrared targets near the sensor’s resolution limit can flicker, smear or merge with the background.

Critics of the anomalous interpretation argued that the supposed water entry depended heavily on reading too much into a small number of blurred frames. On discussion forums and technical sceptic sites, analysts repeatedly noted that disappearing infrared targets are common when thermal contrast collapses or compression artefacts interfere with tracking. [Reddit]reddit.comEven ifRedditAguadilla Puerto Rico (2013) - Partially Stabilized: r/UFOs - RedditOctober 18, 2024 — SCU's argument of underwater UAP hinges on…Published: October 18, 2024

In practical terms, viewers often treated absence from the frame as physical disappearance into water, even though infrared systems regularly lose low-contrast targets without implying unusual physics.

The “split into two” sequence depended on viewing angle

The final dramatic claim was that one object divided into two equal parts. In UFO discussions, this sequence became a major talking point because it seemed difficult to reconcile with balloons, birds or lanterns.

AARO’s later assessment argued that no actual splitting occurred. Instead, there were probably two nearby airborne objects visible intermittently as the viewing angle changed. DVIDS [Armed Services Committee]armed-services.senate.govaaro slides 112124Armed Services CommitteeAARO Open Hearing Case Slides10 Oct 2024 — Modeling and Minimum Separation Vectors analysis indicates the illusio…

Why two nearby objects can look like one

Infrared imagery compresses depth perception. At long range and low resolution, two close heat sources can merge into a single blurry target. As the camera angle shifts, they may separate visually and appear to “split”.

According to AARO’s modelling, the sensor geometry allowed only intermittent visibility of both objects at once. The changing angle therefore created the illusion that a single object duplicated itself. [Armed Services Committee]armed-services.senate.govaaro slides 112124Armed Services CommitteeAARO Open Hearing Case Slides10 Oct 2024 — Modeling and Minimum Separation Vectors analysis indicates the illusio…

This explanation also fits the proposed sky-lantern hypothesis. Two lanterns drifting together in similar wind conditions could appear as one thermal source until slight changes in angle or spacing revealed both separately.

The split became psychologically powerful

The split sequence mattered because it reinforced earlier assumptions. By the time viewers reached that part of the video, many already believed the object was moving rapidly and entering water. The apparent duplication therefore felt like another impossible capability rather than another possible sensor artefact.

This is an important feature of the case: each visual ambiguity amplified the next one. Speed assumptions made the water sequence seem more extraordinary; the water sequence made the split seem less likely to have a mundane explanation.

The overall narrative emerged from cumulative perception rather than from one indisputable frame.

Why distance and altitude remained uncertain

Perhaps the deepest technical problem in the Aguadilla case is that infrared footage alone cannot reliably provide distance, size or altitude without independent reference points.

The SCU analysis attempted to estimate the object’s trajectory and speed using frame-by-frame measurements, radar correlations and environmental assumptions. Critics argued that small errors in assumed distance radically altered the resulting calculations. [Zenodo]zenodo.orgZenodo2013 Aguadilla Puerto Rico UAP: The detailed analysis of…6 Aug 2015 — This report is a detailed analysis of a Homeland Security… [2altpropulsion.com]altpropulsion.comAguadilla UAP Sighting AnalysisAlt PropulsionThe SCU team addressed potential criticisms head-on, meticulously analyzing pixel levels and accounting for the parallax ef…

Small distance errors create huge speed errors

If analysts assume the object was kilometres away, then its apparent motion implies very high speed. If the object was instead relatively close to the aircraft, the same frame movement may represent only slow drift.

That uncertainty affects nearly every extraordinary claim attached to the video:

Without precise range data, all of those interpretations remain model-dependent.

This is why AARO placed heavy emphasis on reconstruction and line-of-sight analysis rather than visual intuition alone. [AARO]aaro.milPuerto Rico UAP Case ResolutionAAROAARO Puerto Rico UAP Case Resolution20 Mar 2025 — AARO assesses with moderate confidence that the objects were a pair of sky lanterns…

Infrared footage looks more precise than it is

The Puerto Rico video feels authoritative because it comes from a government aircraft and appears highly technical. Thermal imagery, targeting reticles and telemetry overlays create an impression of scientific certainty.

Yet infrared systems can be deeply deceptive to casual viewers. They flatten depth, distort scale, erase colour cues and exaggerate contrast transitions. A bright thermal target against a dark background looks concrete even when its true shape and distance are uncertain.

That mismatch between visual confidence and physical uncertainty is one reason the Aguadilla footage became such a durable debate. The video appears straightforward at first glance, but nearly every extraordinary feature depends on assumptions the footage itself cannot fully resolve.

The case became a lesson in sensor interpretation

The Puerto Rico infrared video remains important not because it definitively proves exotic technology, but because it demonstrates how ambiguous sensor data can become persuasive when viewed without careful geometric context.

SCU treated the footage as evidence of extraordinary performance deserving deeper investigation. AARO later argued that the apparent anomalies dissolved once motion parallax, thermal crossover and multi-object geometry were modelled carefully. [Zenodo]zenodo.orgZenodo2013 Aguadilla Puerto Rico UAP: The detailed analysis of…6 Aug 2015 — This report is a detailed analysis of a Homeland Security… [AARO]aaro.milPuerto Rico UAP Case ResolutionAAROAARO Puerto Rico UAP Case Resolution20 Mar 2025 — AARO assesses with moderate confidence that the objects were a pair of sky lanterns…

The unresolved tension between those interpretations explains why the case still attracts attention. The footage genuinely looks strange. But the mechanisms that make it look strange are also well-known characteristics of airborne infrared imaging.

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Endnotes

1. Source: aaro.mil
   Title: Puerto Rico UAP Case Resolution
   Link: https://www.aaro.mil/Portals/136/PDFs/case_resolution_reports/AARO_Puerto_Rico_UAP_Case_Resolution.pdf
   Source snippet

   AAROAARO Puerto Rico UAP Case Resolution20 Mar 2025 — AARO assesses with moderate confidence that the objects were a pair of sky lanterns...

2. Source: zenodo.org
   Link: https://zenodo.org/records/7844175
   Source snippet

   Zenodo2013 Aguadilla Puerto Rico UAP: The detailed analysis of...6 Aug 2015 — This report is a detailed analysis of a Homeland Security...

3. Source: dvidshub.net
   Link: https://www.dvidshub.net/video/944204/puerto-rico-objects
   Source snippet

   Puerto Rico ObjectsThe footage appears to depict a UAP moving at high speed, splitting into two objects, and entering and exiting the wat...

4. Source: reddit.com
   Link: https://www.reddit.com/r/ufo/comments/1pbjynd/the_2013_aguadilla_ufo_incident_portrayed_as/
   Source snippet

   RedditThe 2013 Aguadilla UFO incident portrayed as authentic in...Speed ≈ 3.6 m/s (~8 mph), consistent with measured surface winds (~9.8...

5. Source: defensescoop.com
   Link: https://defensescoop.com/2024/11/19/uap-aaro-findings-go-fast-puerto-rico-mt-etna-objects/
   Source snippet

   DefenseScoopPentagon's UAP office reviews findings on Go Fast, Puerto...19 Nov 2024 — “The video appears to show an object traveling at...

6. Source: reddit.com
   Title: Even if
   Link: https://www.reddit.com/r/UFOs/comments/1g6to05/aguadilla_puerto_rico_2013_partially_stabilized/
   Source snippet

   RedditAguadilla Puerto Rico (2013) - Partially Stabilized: r/UFOs - RedditOctober 18, 2024 — SCU's argument of underwater UAP hinges on...

   Published: October 18, 2024

7. Source: altpropulsion.com
   Title: Aguadilla UAP Sighting Analysis
   Link: https://www.altpropulsion.com/aguadilla-uap-sighting-analysis/
   Source snippet

   Alt PropulsionThe SCU team addressed potential criticisms head-on, meticulously analyzing pixel levels and accounting for the parallax ef...

8. Source: dvidshub.net
   Link: https://www.dvidshub.net/video/955936/2013-puerto-rico-object-reconstruction
   Source snippet

   2013 Puerto Rico Object Reconstruction - DVIDSOn April 26, 2013, an infrared sensor onboard a U.S. Customs and... Aguadilla, Puerto Rico...

   Published: April 26, 2013

9. Source: youtube.com
   Title: Aguadilla UAP Video Analysis: Is It “Smoking Gun” Footage? | Rich Hoffman
   Link: https://www.youtube.com/watch?v=NmvHKAbRuFI
   Source snippet

   Alt Propulsion...

10. Source: armed-services.senate.gov
    Title: aaro slides 112124
    Link: https://www.armed-services.senate.gov/download/aaro-slides-112124
    Source snippet

    Armed Services CommitteeAARO Open Hearing Case Slides10 Oct 2024 — Modeling and Minimum Separation Vectors analysis indicates the illusio...

Additional References

1. Source: uapedia.ai
   Title: the aguadilla airport incident puerto rico 2013
   Link: https://www.uapedia.ai/wiki/the-aguadilla-airport-incident-puerto-rico-2013/
   Source snippet

   UAPedia - Unlocking New RealitiesThe Aguadilla Airport Incident, Puerto Rico (2013)Explore the 2013 Aguadilla UAP incident: a CBP infrare...

2. Source: metabunk.org
   Title: Aguadilla Infrared Footage of ‘UFOs’
   Link: https://www.metabunk.org/threads/aguadilla-infrared-footage-of-ufos-probably-hot-air-wedding-lanterns.8952/
   Source snippet

   MetabunkAguadilla Infrared Footage of 'UFOs' - Probably Hot Air...26 Jul 2017 — Summarizing all the reports written on this strange UFO...

3. Source: youtube.com
   Link: https://www.youtube.com/watch?v=iSArCxSar6Q
   Source snippet

   Aguadilla UAP Video Analysis: Is It "Smoking Gun" Footage? | Rich Hoffman...

4. Source: youtube.com
   Title: UFO FILES: FOIA VIDEO RELEASE of the ‘Aguadilla UAP’ in Puerto Rico
   Link: https://www.youtube.com/watch?v=cuSZDrBDgb8
   Source snippet

   Darcy Weir on why AARO might be trying to debunk Puerto Rico's Aguadilla object | Reality Check...

5. Source: youtube.com
   Title: The SHOCKING Math Error Behind Viral UFO Videos | Mick West
   Link: https://www.youtube.com/watch?v=ypfbhfEXnBo
   Source snippet

   UFO FILES: FOIA VIDEO RELEASE of the 'Aguadilla UAP' in Puerto Rico...

6. Source: youtube.com
   Link: https://www.youtube.com/watch?v=DD9r-eZmYWI