Within AARO Reports

One of the most important findings in recent AARO reporting is that many unresolved unidentified anomalous phenomena (UAP) cases are not unresolved because investigators discovered something extraordinary. They remain unresolved because the underlying data are incomplete.

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Introduction

For the UFO disclosure movement, this distinction matters. An unresolved case is not automatically evidence of advanced technology or non-human intelligence. Often it is evidence of a measurement problem: the necessary technical context was never captured, preserved, or shared. Understanding those sensor gaps helps explain why hundreds of cases remain open despite years of investigation.

AARO Sensor Gaps illustration 1

The Missing Data Analysts Need

When investigators attempt to identify an unknown object, they are not merely looking for a picture. They are trying to reconstruct what happened in physical terms. That requires information that is often absent from UAP reports.

The most valuable missing elements typically include:

  • Range: how far away the object was.
  • Speed: how fast it was moving relative to the observer.
  • Altitude: its height above the ground or sea.
  • Sensor calibration records: confirmation that the equipment was functioning correctly.
  • Weather and atmospheric conditions: cloud cover, winds, temperature layers and visibility.
  • Corroboration from multiple sensors: radar, infrared, visual imagery and tracking systems observing the same target simultaneously.
  • Time-synchronised data: precise timestamps allowing different systems to be compared.

Without these details, a bright point of light can represent radically different realities. A distant aircraft, a balloon, a satellite, a drone or a nearby object viewed through unusual atmospheric conditions may produce similar visual appearances. The difference often becomes clear only when range and tracking information are available.

The 2021 Office of the Director of National Intelligence preliminary UAP assessment explicitly identified limited data and inconsistent reporting as major obstacles to evaluation. Even though many reports came from trained military personnel and some involved multiple sensors, analysts still lacked sufficient information to determine causes in most cases. [National Intelligence Office]dni.govNational Intelligence OfficePreliminary Assessment: Unidentified Aerial Phenomena…25 Jun 2021 — Limited data and inconsistency in repo… [Secretary of the Navy]secnav.navy.milSecretary of the Navy Prelimary Assessment UAPA detailed analysis of UAP data and intelligence reporting…Read more…

AARO’s later reporting shows that the same problem persists. Hundreds of reports have been placed into active archives specifically because the available information is insufficient for scientific analysis or confident attribution. U.S. Department of War [JBSA]jbsa.mildod examining unidentified anomalous phenomena15 Nov 2024 — Over 900 reports lack sufficient scientific data for analysis and are retained in an active archive. These cases may be reo…

Why Videos and Sensor Tracks Can Mislead

Many famous UAP incidents entered public discussion through short video clips. While videos can be compelling, they often contain far less information than viewers assume.

A camera records a two-dimensional image. Without reliable range information, apparent speed can be deceptive. A distant aircraft can appear stationary. A nearby object can seem extremely fast. Camera zoom, image stabilisation systems and aircraft movement can create visual effects that look unusual even when the underlying object is ordinary.

Infrared systems add another layer of complexity. They display heat signatures rather than normal visual images. The resulting footage may make familiar objects appear unfamiliar, especially when viewed without the accompanying sensor metadata. Analysts need information about the sensor’s settings, viewing angle, tracking mode and calibration status before drawing conclusions.

Radar data can also be misleading when viewed in isolation. Radar operators routinely deal with clutter, propagation effects, intermittent returns and other phenomena that can create ambiguous tracks. A brief radar contact may indicate a real object, a sensor artefact, or an environmental effect. Determining which explanation fits requires comparison with other data sources.

This is why multi-sensor confirmation is so valuable. When radar, infrared imagery, visual observation and flight data all point to the same object at the same location and time, investigators can estimate position, speed and behaviour far more reliably. The 2021 ODNI assessment noted that many reports involved multiple sensors, but it also stressed that the available data were often still too limited for firm conclusions. [National Intelligence Office]dni.govNational Intelligence OfficePreliminary Assessment: Unidentified Aerial Phenomena…25 Jun 2021 — Limited data and inconsistency in repo…

The central lesson is that a dramatic-looking video is not necessarily strong evidence. In technical investigations, context often matters more than the image itself.

AARO Sensor Gaps illustration 2

Why Calibration and Environmental Context Matter

Sensor systems are designed to measure physical reality, but every measurement contains uncertainty.

Calibration records help investigators determine whether a sensor was operating within expected specifications. If calibration information is missing, analysts may be unable to distinguish between a genuine observation and an equipment-related anomaly.

Environmental conditions create similar challenges. Atmospheric effects can alter how objects appear on cameras, infrared systems and radar. Temperature inversions, reflections, haze, clouds and wind conditions can influence observations in ways that are difficult to reconstruct after the fact.

A simple example illustrates the problem. Suppose a pilot reports an object apparently moving against strong winds. Without verified weather data and accurate distance measurements, analysts cannot determine whether the object truly defied the wind or merely appeared to do so because of perspective effects.

In many unresolved cases, the issue is not that investigators found evidence of impossible behaviour. Rather, they cannot calculate the object’s actual behaviour with enough confidence to decide between competing explanations.

Why More Reports Do Not Automatically Produce More Answers

A common assumption is that accumulating large numbers of sightings should eventually reveal the truth. In practice, quantity does not compensate for missing measurements.

Hundreds of reports describing similar observations can still leave key questions unanswered if the underlying sensor data are incomplete. A thousand low-information reports do not necessarily provide more analytical value than a handful of well-documented multi-sensor observations.

This reality is reflected in AARO’s case management. The office has repeatedly reported large numbers of archived cases that lack sufficient scientific data for resolution. These cases are retained because new information may emerge later, but they cannot currently support definitive conclusions. U.S. Department of War [JBSA]jbsa.mildod examining unidentified anomalous phenomena15 Nov 2024 — Over 900 reports lack sufficient scientific data for analysis and are retained in an active archive. These cases may be reo…

For disclosure advocates, this creates a recurring source of disagreement. Some view unresolved cases as evidence that something significant is being hidden. AARO’s position is generally more procedural: many cases remain unresolved because the available evidence is incomplete, not because investigators secretly know the answer. [U.S. Department of War]war.govdr jon kosloski director aaro media roundtable on the fy24 consolidated annualDepartment of WarDr. Jon Kosloski, Director, AARO, Media Roundtable on the…14 Nov 2024 — Dr. Jon Kosloski, Director, AARO, held a medi…

How Better Reporting Could Change Future Case Outcomes

The most direct path to resolving more cases is not collecting more stories. It is collecting better measurements.

Several improvements would substantially increase the likelihood of identification:

  • Standardised reporting formats across military and civilian organisations.
  • Automatic preservation of raw sensor data rather than selected clips.
  • Better synchronisation of timestamps across systems.
  • Integration of radar, electro-optical, infrared and flight-tracking information.
  • Recording of local weather and atmospheric conditions alongside observations.
  • Faster transfer of data to analysts before records are lost or overwritten.

AARO has acknowledged that its ability to resolve cases is constrained by the availability of timely, actionable sensor information and has stated that it is working with military and technical partners to improve sensor requirements and information-sharing processes. U.S. Department of War [JBSA]jbsa.mildod examining unidentified anomalous phenomena15 Nov 2024 — Over 900 reports lack sufficient scientific data for analysis and are retained in an active archive. These cases may be reo…

The broader implication is straightforward. If future observations are captured with richer, better-calibrated and better-integrated sensor systems, many currently mysterious sightings may become easier to explain. At the same time, any genuinely anomalous cases would become more scientifically valuable because investigators would possess the data needed to test competing hypotheses rigorously.

In that sense, the biggest obstacle to resolving many UAP cases is not secrecy, disbelief or lack of interest. It is the absence of the technical measurements required to transform an intriguing sighting into a solvable investigation.

AARO Sensor Gaps illustration 3

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Endnotes

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    Title: dr jon kosloski director aaro [media]({{ ‘media/’ | relative_url }}) roundtable on the fy24 consolidated annual
    Link: https://www.war.gov/News/Transcripts/Transcript/Article/3965734/dr-jon-kosloski-director-aaro-media-roundtable-on-the-fy24-consolidated-annual/
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    Department of WarDr. Jon Kosloski, Director, AARO, Media Roundtable on the...14 Nov 2024 — Dr. Jon Kosloski, Director, AARO, held a medi...

  2. Source: jbsa.mil
    Title: dod examining unidentified anomalous phenomena
    Link: https://www.jbsa.mil/News/News/Article/3966080/dod-examining-unidentified-anomalous-phenomena/
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    15 Nov 2024 — Over 900 reports lack sufficient scientific data for analysis and are retained in an active archive. These cases may be reo...

  3. Source: secnav.navy.mil
    Title: Secretary of the Navy Prelimary Assessment UAP
    Link: https://www.secnav.navy.mil/foia/readingroom/CaseFiles/UAP%20INFO/Prelimary%20Assessment%20UAP.pdf
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    A detailed analysis of UAP data and intelligence reporting...Read more...

  4. Source: dni.gov
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  5. Source: dni.gov
    Title: DF 2021 00275 Preliminary Assessment Unidentified Aerial Phenomena
    Link: https://www.dni.gov/files/documents/FOIA/DF-2021-00275-Preliminary-Assessment-Unidentified-Aerial-Phenomena.pdf
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    National Intelligence OfficeUnidentified Aerial Phenomena 25 June 202125 Jun 2021 — (U) Various forms of sensors that register UAP genera...

  6. Source: pwkinternational.com
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    UAP | An Uncertainty Tax & Demand Signal |11 Nov 2025 — In this report, we map the defense-industry procurement noise, program risk, repu...

  7. Source: reddit.com
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    Unidentified Aerial Phenomena 25 June 2021: r/spaceThe report says: Most of the UAP reported probably do represent physical objects give...

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Additional References

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    FY25 Q2All radar, radio-transmission, and ADS-B data and recordings for any FAA facility interacting with this flight on 11/5/24, whether...

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    INFORMATION COPY(4) Failure to report required data accurately and within required timeframes (e.g., within 24 hours of incident). B.10 P...

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