Within Sensor Data

Are Some Extreme UAP Movements Just Perspective Effects?

Many dramatic UAP speed and manoeuvre claims depend on missing range data and observer movement rather than proven object performance.

On this page

  • How parallax alters apparent motion
  • Why range data matters
  • AARO's examples of sensor misreads
Preview for Are Some Extreme UAP Movements Just Perspective Effects?

Introduction

A central part of Sean Kirkpatrick’s scepticism about dramatic UAP manoeuvres is the idea that some apparently impossible motion is not actually a property of the object at all. Instead, it can be a consequence of parallax: a geometric effect that occurs when a moving observer views a distant object without knowing its exact range. In those circumstances, a stationary object can appear to race across a sensor display, while a slow-moving object can seem to perform extraordinary accelerations. AARO, the Pentagon’s All-domain Anomaly Resolution Office under Kirkpatrick’s leadership, has repeatedly highlighted parallax as a major source of misinterpretation in military UAP footage. [AARO]aaro.milAAROEffect of Forced Perspective and Parallax View on UAP…May 8, 2024 — Because of parallax, stationary objects can appear to have mot…Published: May 8, 2024

Parallax illustration 1 This does not prove that every unusual sighting is a perspective error. Rather, it explains why Kirkpatrick consistently argued that claims of extreme speed, sudden acceleration or exotic flight characteristics require precise range measurements before they can be treated as evidence of genuinely anomalous technology.

How Parallax Alters Apparent Motion

Parallax is a familiar phenomenon in everyday life. When travelling in a car or train, nearby objects appear to sweep rapidly across your field of view while distant mountains seem almost stationary. The apparent motion depends not only on the object itself but also on the observer’s movement and viewing angle. [cesar.esa.int]cesar.esa.intThe Parallax EffectThis is the parallax effect, a difference in the apparent position of an object when viewed along two different lines…

The same principle applies to airborne sensors. If a military aircraft is travelling at hundreds of miles per hour while tracking a distant target, the target’s apparent movement across the camera frame can be dominated by the aircraft’s own motion rather than the target’s. AARO’s technical explanation states that stationary objects can appear to move and slow-moving objects can appear to move very fast because of parallax effects. The perceived speed increases as the observing platform moves faster. [AARO]aaro.milAARO HomeUnidentified Anomalous Phenomena (UAP) means (A) airborne objects that are not immediately identifiable; (B) transmedium objects…

This creates a common misunderstanding in UAP discussions. Viewers often assume that movement across a video frame directly represents the object’s true speed. In reality, without knowing the object’s distance, the same visual track could represent:

  • A nearby object moving quickly.
  • A distant object moving slowly.
  • A stationary object viewed from a rapidly moving platform.
  • A combination of observer motion and target motion.

The video alone may not distinguish between these possibilities.

Why Range Data Matters So Much

Range is the missing ingredient in many famous UAP clips. A camera records angles, not distances. If analysts know only where an object appears in the frame but not how far away it is, calculating speed becomes highly uncertain. [NASA Science]science.nasa.govNASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali…

Consider two hypothetical scenarios:

  • An object one kilometre away moving across the field of view.
  • An object twenty kilometres away creating the same angular movement.

The second object would require a dramatically different physical speed to produce the same apparent image motion. Without accurate range information, analysts cannot determine which interpretation is correct.

This issue sits at the heart of Kirkpatrick’s broader emphasis on sensor standards. He repeatedly argued that reliable conclusions require synchronised metadata, calibrated sensors and multiple independent measurements. NASA’s independent UAP study reached a similar conclusion, warning that UAP analysis is often hindered by poor calibration, missing metadata and the absence of multiple measurement sources. [NASA Science]science.nasa.govNASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali… [NASA]science.nasa.govNASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali…

In practical terms, an object that appears to accelerate from a standstill to extraordinary speed may simply be crossing a particular geometric threshold relative to a moving aircraft, creating an illusion of sudden motion rather than a real change in velocity.

Parallax illustration 2

AARO’s Examples of Sensor Misreads

During public briefings, Kirkpatrick frequently used examples intended to demonstrate how sensor geometry can produce misleading impressions. One of the most discussed cases involved the Navy’s “Go Fast” video.

AARO later assessed that the object in the footage was not displaying anomalous performance. According to the office’s analysis, the impression of extreme speed resulted primarily from motion parallax. The object’s apparent rapid movement was generated by the viewing geometry between the target and the fast-moving aircraft rather than evidence of extraordinary propulsion. [Reddit]reddit.comPentagon Releases AARO Report on 'Go Fast' VideoRedditPentagon Releases AARO Report on 'Go Fast' Video…February 13, 2025 — “The object's apparent high speed is attributable to motion…Published: February 13, 2025

The broader lesson for AARO was not that every unidentified object is a balloon, bird or conventional aircraft. Rather, it was that dramatic visual impressions can emerge before the underlying geometry is fully understood. Kirkpatrick repeatedly stressed that analysts must reconstruct aircraft position, sensor orientation, viewing angle and range before interpreting apparent manoeuvres as evidence of advanced technology. [DefenseScoop]defensescoop.compentagon office developing new sensors to better detect ufosDefenseScoopPentagon office developing new sensors to better detect…31 May 2023 — AARO director Sean Kirkpatrick provided an update on…Published: May 2023

Another example presented during NASA’s public UAP discussions involved military infrared recordings in which apparently unusual motion became less remarkable once the sensor’s movement and tracking behaviour were analysed in detail. These cases reinforced the view that understanding the instrument is often as important as understanding the object being observed. [DVIDS]dvidshub.netWestern U.S. Objects31 May 2023 —… (UAP) on May 31, 2023, Dr. Sean Kirkpatrick, director of the All-domain Anomaly Resolution Office (…Published: May 31, 2023 [YouTube]youtube.comPublic Meeting on Unidentified Anomalous Phenomena…Watch our first deliberative meeting of NASA's independent study team on evaluating…

Why This Matters for Assessing Extraordinary Claims

Many of the most striking UAP narratives involve reports of objects making instantaneous turns, accelerating beyond known aircraft limits or travelling at seemingly impossible speeds. Kirkpatrick’s position has generally been that such claims cannot be evaluated from visual impressions alone.

From this perspective, a report becomes significantly stronger when analysts can independently verify:

  • The object’s range.
  • The observer’s motion. [reddit.com]reddit.comPentagon Releases AARO Report on 'Go Fast' VideoRedditPentagon Releases AARO Report on 'Go Fast' Video…February 13, 2025 — “The object's apparent high speed is attributable to motion…Published: February 13, 2025
  • Radar measurements.
  • Infrared tracking data.
  • Environmental conditions.
  • Sensor calibration information. [science.nasa.gov]science.nasa.govNASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali…

Without those elements, apparent performance may reflect geometry rather than physics. [NASA Science]science.nasa.govNASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali… [NASA]nasa.govupdate nasa shares uap independent study report names directorUPDATE: NASA Shares UAP Independent Study Report14 Sept 2023 — We found that NASA can help the whole-of-government UAP effort through sys…

Supporters of Kirkpatrick’s approach argue that parallax provides a well-understood, testable explanation for many apparently extraordinary observations and should be ruled out before invoking exotic technologies. Critics sometimes counter that not every military UAP case can be reduced to perspective effects and that some incidents involve multiple witnesses or multiple sensors. Both points can be true simultaneously: parallax is a powerful explanation for some sightings, but demonstrating that it applies in any specific case requires detailed reconstruction rather than assumption.

Parallax illustration 3

What Parallax Means for Kirkpatrick’s Credibility

Parallax occupies an important place in Kirkpatrick’s credibility assessment because it illustrates the methodological basis of his scepticism. His argument is generally not that witnesses are fabricating events or that all UAP reports are trivial. Instead, he maintains that human perception and military sensors can create misleading impressions when range and geometry are poorly constrained.

That position aligns closely with the conclusions of NASA’s independent UAP study, which emphasised that limited data, missing metadata and insufficient sensor calibration frequently prevent firm conclusions about unusual observations. [NASA Science]science.nasa.govNASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali… [NASA]science.nasa.govScience UAP FAQsNASA ScienceUAP FAQsMay 8, 2026 — Most UAP sightings result in very limited data, making it difficult to draw scientific conclusions abou…Published: May 8, 2026

As a result, parallax serves as more than a technical curiosity in Kirkpatrick’s framework. It is a reminder that extraordinary-looking motion is not necessarily extraordinary motion. Until distance, geometry and sensor behaviour are established, an object that appears to perform impossible manoeuvres may simply be revealing the limits of the observation rather than the capabilities of the object itself. [AARO]aaro.milAAROEffect of Forced Perspective and Parallax View on UAP…May 8, 2024 — Because of parallax, stationary objects can appear to have mot…Published: May 8, 2024

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Endnotes

  1. Source: aaro.mil
    Link: https://www.aaro.mil/Portals/136/PDFs/Information%20Papers/AARO_Effect_of_Forced_Perspective_and_Parallax_View_on_UAP_Observations_2024.pdf
    Source snippet

    AAROEffect of Forced Perspective and Parallax View on UAP...May 8, 2024 — Because of parallax, stationary objects can appear to have mot...

    Published: May 8, 2024

  2. Source: defensescoop.com
    Title: pentagon office developing new sensors to better detect ufos
    Link: https://defensescoop.com/2023/05/31/pentagon-office-developing-new-sensors-to-better-detect-ufos/
    Source snippet

    DefenseScoopPentagon office developing new sensors to better detect...31 May 2023 — AARO director Sean Kirkpatrick provided an update on...

    Published: May 2023

  3. Source: cesar.esa.int
    Link: https://cesar.esa.int/upload/201709/Parallax_Effect_Booklet.pdf

  4. Source: science.nasa.gov
    Link: https://science.nasa.gov/wp-content/uploads/2023/09/uap-independent-study-team-final-report.pdf
    Source snippet

    NASA ScienceIndependent Study Team ReportIndeed, several apparent UAP have been demonstrated to be sensor artifacts once appropriate cali...

  5. Source: nasa.gov
    Title: update nasa shares uap independent study report names director
    Link: https://www.nasa.gov/news-release/update-nasa-shares-uap-independent-study-report-names-director/
    Source snippet

    UPDATE: NASA Shares UAP Independent Study Report14 Sept 2023 — We found that NASA can help the whole-of-government UAP effort through sys...

  6. Source: reddit.com
    Title: Pentagon Releases [AARO Report]({{ ‘aaro-report-8d3982/’ | relative_url }}) on ‘Go Fast’ Video
    Link: https://www.reddit.com/r/ufo/comments/1iooz44/pentagon_releases_aaro_report_on_go_fast_video/
    Source snippet

    RedditPentagon Releases AARO Report on 'Go Fast' Video...February 13, 2025 — “The object's apparent high speed is attributable to motion...

    Published: February 13, 2025

  7. Source: dvidshub.net
    Link: https://www.dvidshub.net/video/885193/western-us-objects
    Source snippet

    Western U.S. Objects31 May 2023 —... (UAP) on May 31, 2023, Dr. Sean Kirkpatrick, director of the All-domain Anomaly Resolution Office (...

    Published: May 31, 2023

  8. Source: youtube.com
    Link: https://www.youtube.com/watch?v=bQo08JRY0iM
    Source snippet

    Public Meeting on Unidentified Anomalous Phenomena...Watch our first deliberative meeting of NASA's independent study team on evaluating...

  9. Source: science.nasa.gov
    Title: Science UAP FAQs
    Link: https://science.nasa.gov/uap/faqs/
    Source snippet

    NASA ScienceUAP FAQsMay 8, 2026 — Most UAP sightings result in very limited data, making it difficult to draw scientific conclusions abou...

    Published: May 8, 2026

  10. Source: science.nasa.gov
    Link: https://science.nasa.gov/uap/
    Source snippet

    nasa.govUAP9 Jun 2022 — The UAP Independent Study shall report on the following questions: What types of scientific data currently collec...

  11. Source: nasa.gov
    Title: to release discuss unidentified anomalous phenomena report
    Link: https://www.nasa.gov/news-release/nasa-to-release-discuss-unidentified-anomalous-phenomena-report/
    Source snippet

    NASA to Release, Discuss Unidentified Anomalous...12 Sept 2023 — NASA commissioned the study to examine UAP from a scientific perspectiv...

  12. Source: youtube.com
    Link: https://www.youtube.com/shorts/XulaIPyY2Iw
    Source snippet

    at different speeds depending on how far away they are...

  13. Source: reddit.com
    Link: https://www.reddit.com/r/UFOs/comments/1gv8xak/aaro_has_resolved_the_go_fast_uap/
    Source snippet

    Wind speed at that altitude was 60 knots. Object moved in a relatively straight...Read more...

  14. Source: aaro.mil
    Link: https://www.aaro.mil/
    Source snippet

    AARO HomeUnidentified Anomalous Phenomena (UAP) means (A) airborne objects that are not immediately identifiable; (B) transmedium objects...

  15. Source: youtube.com
    Title: Breakdown of the Pentagon UFO videos with Mick West
    Link: https://www.youtube.com/watch?v=Le7Fqbsrrm8
    Source snippet

    UFO Videos Explained: Mick West's Expert Analysis...

  16. Source: youtube.com
    Title: UFO Videos Explained: Mick West’s Expert Analysis
    Link: https://www.youtube.com/watch?v=-_4QF__92q0
    Source snippet

    All-domain Anomaly Resolution Office (AARO): a Duality in Mission Regarding UAPs (Sean Kirkpatrick)...

  17. Source: youtube.com
    Link: https://www.youtube.com/watch?v=bi0H_mkwTW0
    Source snippet

    What a Pentagon Scientist Found Out About UFOs with Dr. Sean Kirkpatrick...

  18. Source: youtube.com
    Title: What a Pentagon Scientist Found Out About UFOs with Dr. Sean Kirkpatrick
    Link: https://www.youtube.com/watch?v=VyK46wdMJkQ
    Source snippet

    Parallax Explained & How Telescopes Work | Astronomy Basics Made Simple...

  19. Source: youtube.com
    Title: Parallax Explained & How Telescopes Work | Astronomy Basics Made Simple
    Link: https://www.youtube.com/watch?v=5tDOoDXHO2s

  20. Source: war.gov
    Title: aaro director dr sean kirkpatrick holds an off camera media roundtable
    Link: https://www.war.gov/News/Transcripts/Transcript/article/3575588/aaro-director-dr-sean-kirkpatrick-holds-an-off-camera-media-roundtable/
    Source snippet

    Department of WarAARO Director Dr. Sean Kirkpatrick Holds an Off-Camera...Oct 31, 2023 — AARO receives UAP-related pilot reports or PIRE...

  21. Source: Wikipedia
    Link: https://en.wikipedia.org/wiki/Parallax
    Source snippet

    ParallaxParallax is a displacement or difference in the apparent position of an object viewed along two different lines of sightRead more...

Additional References

  1. Source: foxnews.com
    Link: https://www.foxnews.com/us/newly-released-ufo-video-sean-kirkpatrick-pentagon-all-domain-anomaly-resolution-office-aaro-truly-anomalous
    Source snippet

    Newly released UFO video broken down 'frame by...Apr 24, 2023 — Two videos of reported UFO sightings shown during last week's Senate hea...

  2. Source: rev.com
    Link: https://www.rev.com/transcripts/nasa-holds-first-public-meeting-on-ufos-transcript
    Source snippet

    NASA Holds First Public Meeting on UFOs TranscriptAfter my opening remarks, we'll hear from Sean Kirkpatrick from the AARO, and it's the...

  3. Source: 7atc.army.mil
    Link: https://www.7atc.army.mil/Media-News/Video/?dvpTag=UAP&dvpmoduleid=4969&videoid=885190
    Source snippet

    Kirkpatrick, director of the All-domain Anomaly Resolution Office (AARO), shared a video depicting three unidentified objects recorded on...

  4. Source: skyandtelescope.org
    Title: nasa finds no evidence ufos are extraterrestrial promises further study
    Link: https://skyandtelescope.org/astronomy-news/nasa-finds-no-evidence-ufos-are-extraterrestrial-promises-further-study/
    Source snippet

    UAP reports are typically single sightings and lack multiple measurements. Those individual reports also often lack sensor metadata, such...

  5. Source: vgis.io
    Title: understanding the parallax effect in ar why your 3d objects may move
    Link: https://www.vgis.io/2025/07/11/understanding-the-parallax-effect-in-ar-why-your-3d-objects-may-move/
    Source snippet

    Understanding the Parallax Effect in AR: Why Your 3D Objects...11 Jul 2025 — Understand how the parallax effect in AR can be a cause of...

  6. Source: scientificamerican.com
    Title: bad data not aliens may be behind ufo surge nasa team says
    Link: https://www.scientificamerican.com/article/bad-data-not-aliens-may-be-behind-ufo-surge-nasa-team-says/
    Source snippet

    Bad Data, Not Aliens, May Be behind UFO Surge, NASA...9 Jun 2023 — Gaining any new clarity about surging reports of unidentified anomalo...

  7. Source: leonarddavid.com
    Title: nasa report released unidentified anomalous phenomena uap
    Link: https://www.leonarddavid.com/nasa-report-released-unidentified-anomalous-phenomena-uap/
    Source snippet

    Unidentified Anomalous Phenomena (UAP) – UPDATED14 Sept 2023 — NASA has released its Unidentified Anomalous Phenomena (UAP) report comple...

  8. Source: avweb.com
    Title: nasa report no aliens but more uap investigations needed
    Link: https://avweb.com/aviation-news/nasa-report-no-aliens-but-more-uap-investigations-needed/
    Source snippet

    NASA Report: No Aliens, But More UAP Investigations...15 Sept 2023 — NASA said its investigation of unidentified anomalous phenomena or...

  9. Source: theguardian.com
    Title: sean kirkpatrick pentagon ufo conspiracy theory myths
    Link: https://www.theguardian.com/world/2024/jan/27/sean-kirkpatrick-pentagon-ufo-conspiracy-theory-myths
    Source snippet

    Pentagon ex-UFO chief says conspiracy theorists in...Jan 27, 2024 — Sean Kirkpatrick, the first director of the all-domain anomaly resol...

  10. Source: nevadacurrent.com
    Link: https://nevadacurrent.com/2023/09/18/nasa-report-finds-no-evidence-that-ufos-are-extraterrestrial/
    Source snippet

    NASA report finds no evidence that UFOs are extraterrestrial18 Sept 2023 — Analysis of this data is “hampered by poor sensor calibration...

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