
Data Analysis
The topic of Unidentified Anomalous Phenomena (UAP), often referred to by their older name, UFOs, occupies a unique space in public consciousness. It’s a subject that evokes strong opinions, ranging from dismissive skepticism to fervent belief. For decades, the conversation was largely confined to popular culture and enthusiast groups, often lacking a structured, data-driven approach. In recent years, this has changed. Acknowledgment from official bodies, including the United States Department of Defense (DoD) and NASA, has moved the subject from the fringe to the forefront of serious discussion, reframing it as a matter of national security and air safety.
This shift has highlighted a central, immense challenge: data analysis. The problem isn’t a lack of reports; it’s a deluge of them. The sky is filled with objects, both natural and man-made, and the proliferation of smartphones, drones, and satellites has only increased the volume of sightings. The vast majority of these reports – the “noise” – are readily explainable upon investigation. They are misidentifications of planets, balloons, satellites, or sensor artifacts.
The focus of serious inquiry is on the “signal.” This signal is a small, persistent percentage of UAP reports that remain unexplained even after rigorous, expert analysis. These are the cases that defy easy categorization and often involve high-quality data. Sifting this signal from the overwhelming noise is the primary task of modern UAP analysis.
This article explores the key features that distinguish a “credible” UAP report. It’s important to clarify what “credible” means in this context. A credible report is not necessarily one that proves an exotic origin. Instead, a credible report is one that is data-rich, well-documented, and has resisted conventional explanation. It’s a report that provides analysts with enough objective information to be taken seriously, warranting further study. The journey involves first identifying and filtering the noise, then evaluating the quality of the remaining data, and finally, analyzing the anomalous characteristics that this data reveals.
The Foundational Challenge: Defining “Noise”
Before any “signal” can be identified, analysts must first filter the massive volume of “noise.” The noise consists of all reports that can be explained, even if the explanation isn’t immediately obvious to the observer. Identifying these prosaic sources is the bulk of all UAP investigation. Failure to do so leads to a “garbage in, garbage out” data set, where mundane objects are mistaken for true anomalies. The noise falls into several broad categories.
Atmospheric and Astronomical Phenomena
The sky is a dynamic environment, and many natural events are easily misinterpreted. Astronomical objects are a primary source of confusion. The planet Venus, for example, is notoriously deceptive. When it’s near the horizon, its bright, steady light can appear to flicker, change color, and even move due to atmospheric lensing and the brain’s own perceptual tricks, like the autokinetic effect, where a static point of light in a dark sky appears to wander.
Meteors and bolides, especially bright “fireballs,” are often reported as craft moving at incredible speeds. While they are fast, their trajectories are predictable, and they are transient events. More subtle phenomena, like weather balloons, are a classic source of reports. These balloons, launched daily around the world for meteorological data, can ascend to great heights, catch sunlight in unusual ways, and appear as bright, metallic, or disc-shaped objects. They are often pushed by high-altitude winds at speeds that seem impossibly fast for a “hovering” object.
Other atmospheric phenomena include ice crystals in high-altitude clouds (cirrus clouds), which can reflect sunlight to create “sun dogs” or other optical illusions. Ball lightning, a rare and poorly understood electrical phenomenon, has been described as a hovering, glowing orb.
Man-Made Airborne Clutter
The volume of human-made objects in the sky has increased exponentially. This “airborne clutter” is arguably the largest source of UAP reports today. The most significant new addition is the proliferation of drones. Commercial and hobbyist quadcopters can hover, accelerate quickly, and fly in formation, mimicking behaviors often described as anomalous. They can be very quiet at a distance and often have bright LED lights, making them confusing to ground observers.
A more recent development is the launch of massive satellite constellations, most notably SpaceX‘s Starlink. Freshly deployed Starlink satellites fly in a distinct, perfectly straight “train” of bright lights, a sight that has generated thousands of UAP reports since they first appeared. Even single satellites can “flare” as their solar panels catch the sun, appearing as a bright flash that abruptly vanishes.
Military operations are another major source of misidentification. Advanced, classified aircraft, such as the historic SR-71 Blackbird or modern hypersonic test vehicles, are designed to fly at speeds and altitudes far beyond commercial traffic. These platforms are not meant to be recognized by the public. Everyday military activities, such as airborne refueling operations (where two or more large aircraft fly in close, illuminated formation) or the dropping of parachute flares (which can appear as a cluster of “flaming” objects drifting slowly), are also common culprits.
Perceptual and Psychological Factors
The single most unreliable element in any sighting is the human witness. This isn’t a criticism, but a statement of biological fact. Human perception is not a high-fidelity recording device. The brain actively interprets and constructs reality, a process that is subject to numerous biases and errors, especially in a low-information environment like a dark sky.
As mentioned, the autokinetic effect can make a star seem to dart around. Pareidolia, the brain’s tendency to see patterns (like faces or craft) in random stimuli, can turn a cloud or a sensor anomaly into a structured object. Confirmation bias leads a person who is already looking for UAPs to interpret ambiguous data, like a lens flare in a photo, as proof of a craft.
Furthermore, humans are notoriously poor at estimating speed, distance, and size without a frame of reference. An object that appears to be “football-field-sized” and “miles away” could just as easily be a three-foot-wide mylar balloon a few hundred yards away. Without triangulation, such estimates are essentially guesses. This is why analysts, while respectful of eyewitness accounts, cannot rely on them as primary data.
The Anatomy of a “Credible” Report: Data Quality
After filtering out the overwhelming noise, analysts are left with a small subset of reports. What makes one of these remaining reports “credible” or “high-quality”? The answer is data. A high-quality report is one that provides objective, measurable, and preferably, multi-faceted data.
Multiple Witnesses
While a single eyewitness is unreliable, multiple, independent witnesses can significantly increase a report’s credibility. The key word is “independent.” A group of people observing the same event can fall victim to mass suggestion, where one person’s excited interpretation influences the others.
A far more compelling scenario is when witnesses in different locations, unknown to each other, report the same phenomenon. If a witness in one town reports a silent, triangular object moving north, and five minutes later, a witness in another town 30 miles north reports the same thing, this allows for basic triangulation. It helps confirm the object’s path, altitude, and speed, and it rules out localized illusions or single-observer errors.
Trained Observers
Not all eyewitness reports are weighted equally. A report from an experienced commercial pilot, a military aviator, or an air traffic controller is taken far more seriously. These individuals are trained professionals whose job is to observe and identify objects in the sky.
A pilot has thousands of hours of experience and possesses an innate understanding of what known aircraft, weather phenomena, and astronomical objects look like from the air. They have a precise frame of reference for relative motion, altitude, and speed. When a pilot reports something that is “not an airplane, not a balloon, and not a meteor,” that report carries significant weight. They are also trained to be dispassionate and accurate in their observations, as their safety and the safety of their passengers depend on it.
The high-profile USS Nimitz encounter from 2004 is a prime example. The case gained official traction not just because of the sensor data, but because the witnesses were highly-trained United States Navy fighter pilots, including a squadron commander, who had extensive experience and a professional reputation to protect.
The Primacy of Sensor Data
The gold standard for a credible UAP report is the presence of objective sensor data. Human senses are subjective; sensors are designed to be objective. While sensors have their own limitations, glitches, and potential for misinterpretation, their data is measurable, recordable, and can be analyzed after the fact. A high-quality report ideally involves data from multiple, different types of sensors.
Radar: Radar (Radio Detection and Ranging) is a powerful tool. It works by sending out a pulse of radio energy and listening for the echo. This allows it to determine an object’s range, bearing, altitude, and velocity with extreme precision, even at great distances and through clouds. A “radar hit” is objective proof that something solid and reflective is present. However, radar is not infallible. It can be fooled by atmospheric ducting (where a radar beam is bent by temperature layers, hitting the ground or ocean and “bouncing” back), flocks of birds, or sophisticated electronic warfare “spoofing.”
Infrared: Forward-looking infrared (FLIR) cameras, like those seen in the famous Pentagon videos, detect heat (thermal energy) rather than visible light. This is valuable because it can see through camouflage and darkness. A FLIR image shows the object’s “thermal signature.” This data is vital. Is the object “hot,” like a jet engine? Or is it “cold,” which would be deeply perplexing for an object supposedly moving at high speed? FLIR can also be fooled. A cold-air object, like a balloon, might appear as a “dark” or cold shape against a warmer background, and a distant commercial jet, while hot, might be misidentified.
Electro-Optical (EO): This is essentially a high-end, stabilized video camera, often paired with the FLIR sensor in a targeting pod. It captures the object in the visible light spectrum. This provides important information on shape, color, and any visible features or lights.
Electronic Warfare (EW) Sensors: Advanced military platforms are also equipped with passive sensors that “listen” for radio frequency (RF) emissions. Is the UAP emitting its own radar? Is it using a data link? Is it attempting to “jam” the friendly aircraft’s sensors? A “hit” on these systems provides another layer of data about the object’s technological nature.
Satellite Imagery: The most advanced, and often classified, sensor data comes from space-based platforms, such as those operated by the National Reconnaissance Office. These satellites can provide a “top-down” view, potentially capturing a UAP with high-resolution imagery, radar, or infrared. This data is removed from the perceptual errors of a ground or air observer and can place the UAP in a broader context.
Corroboration: The “Signal” Emerges
A report based on a single data point, even from a good sensor, is still just an anomaly. The “signal” – the truly credible, compelling UAP event – emerges from corroboration. This is when multiple, independent data streams all tell the same story, creating a “data fusion” that rules out most prosaic explanations.
Eyewitness + Sensor
The first level of corroboration is a trained eyewitness and a sensor. A pilot sees an object with their own eyes, and at the same time, their onboard radar gets a solid lock on it at the same location. This is a powerful combination. The eyewitness report rules out the possibility that the radar track is a “ghost” or a sensor artifact. The radar data, in turn, rules out the possibility that the pilot was experiencing a visual illusion or hallucination. It provides objective, real-time data (like speed and altitude) that validates the pilot’s subjective observation.
The USS Nimitz encounter is the classic example of this. The advanced radar on the USS Princeton, part of the Aegis Combat System, detected multiple anomalous targets. Pilots were then directed to intercept those radar targets, at which point they made visual and FLIR contact with one of them – the “Tic Tac.” The event was corroborated by multiple trained observers (the pilots) and multiple sensors (ship-based radar, airborne radar, and FLIR).
Sensor + Sensor (Multi-Domain Correlation)
The strongest and most compelling form of evidence is multi-domain sensor correlation. This is when an object is detected simultaneously by different types of sensors, each of which operates on different physical principles.
Imagine a UAP report where:
- Radar detects a solid object moving at 5,000 miles per hour.
- FLIR (infrared) simultaneously sees an object at that exact location, but it appears to be cold, with no thermal plume.
- Electro-Optical (visual) camera confirms a physical, structured object with no wings or visible propulsion.
- EW sensors pick up no radio or electronic emissions.
This correlated data set becomes almost impossible to explain away with simple “noise.” A radar ghost (like atmospheric ducting) would not show up on FLIR or a visual camera. A visual illusion (like a Fata Morganamirage) would not be picked up by radar. A hot object, like a meteor or a re-entering satellite, would have an enormous thermal signature on FLIR. A stealth technology aircraft might defeat radar, but it would be visible to the eye and on FLIR.
When multiple, disparate sensors all validate each other’s data, analysts can be confident that a real, physical, and anomalous object was present. This multi-domain correlation is the “signal” that government bodies like the All-domain Anomaly Resolution Office (AARO) are established to find. The cases that remain in their “unresolved” basket are almost all defined by this kind of high-quality, multi-sensor data.
The “Five Observables”: Defining Anomalous Behavior
Once a report is deemed “credible” based on its data quality, analysts then look at what the object was doing. The anomalous nature of a UAP is defined by its reported performance characteristics. These are behaviors that appear to contravene our known understanding of physics and aerodynamics. These are often summarized as the “Five Observables.”
1. Sudden and Instantaneous Acceleration
This is one of the most frequently reported characteristics. Observers and sensors track an object that is hovering or moving slowly, only for it to accelerate to hypersonic speeds (above Mach 5) almost instantly. The USS Nimitz radar data, for example, allegedly showed the “Tic Tac” object moving from a near-hover to thousands of miles per hour in a matter of seconds.
This is anomalous because of inertia and g-forces. Any known craft, and any biological occupant, would be destroyed by the forces involved in such acceleration. A human pilot can withstand perhaps 9 Gs (nine times the force of gravity) for a few seconds.8 These reported accelerations would require hundreds or thousands of Gs, which would tear any known airframe apart. This observation implies a technology that somehow mitigates or bypasses inertia. Prosaic explanations often include sensor “track-swapping,” where a radar system tracking a slow object (like a balloon) loses the lock and “jumps” to a new, fast-moving track (like a meteor or satellite), making it appear as if one object instantaneously accelerated.
2. Hypersonic Speeds Without Signatures
While the United States, Russia, and China are all developing hypersonic vehicles, these objects obey known physics. When an object travels at Mach 5 or faster within the atmosphere, it creates two unmistakable signatures: immense friction (leading to a superheated plasma glow) and a massive sonic boom.
The anomalous UAP reports describe objects traveling at these extreme speeds that are reported as silent and often “cold” on FLIR. They move through the air without any apparent interaction with it – no sonic boom, no heat plume, no atmospheric disruption. This is a significant violation of known aerodynamics and thermodynamics. It implies a propulsion system that doesn’t push against the air but somehow interacts with space-time or gravity itself, a concept well outside our current engineering.
3. Low Observability (Stealth)
Low observability, or stealth technology, is a known quantity. A B-2 Spirit bomber is designed to be “low-observable” to radar. It is not invisible to the human eye or a FLIR camera.
Credible UAP reports often describe a more advanced form of “cross-domain” stealth. For instance, an object is clearly visible to a pilot’s naked eye, but completely absent from their advanced radar. This is difficult to explain, as radar-invisible craft are typically not invisible to the eye. The reverse is also reported: a solid, repeating radar track of an object that is completely invisible to both the eye and infrared sensors, even when pilots are looking at the exact spot where the radar says it should be. This implies a technology that can actively manage its signature across the entire electromagnetic spectrum, a feat far beyond current capabilities.
4. Trans-Medium Travel
This is perhaps the most exotic and least-reported of the observables. It describes an object that can move seamlessly between different physical mediums, such as from the air into the ocean, or from orbit down to sea level.
The physics of air and water are vastly different. An object optimized for aerodynamics (like an airplane, with thin wings) is catastrophically unsuited for hydrodynamics (like a submarine, with a dense, pressurized hull). An object entering the water from the air at high speed would experience a force similar to hitting concrete. Conversely, an object built to withstand deep-sea pressure would be incredibly heavy and unsuited for hypersonic flight.
Reports of “trans-medium” UAPs, often called USOs (Unidentified Submerged Objects), describe objects that fly at high speed, enter the water without a splash, and are then reportedly tracked on sonar moving at incredible speeds underwater. This implies a single craft that is a master of all physical domains, operating with a technology that is indifferent to the medium it’s in.
5. Positive-Lift Maneuvers (No Apparent Propulsion)
This observable is the most common. It describes objects that move in ways that defy known principles of lift and thrust. All known aircraft require a visible means of propulsion to stay aloft and maneuver. Airplanes have wings for lift and jets or propellers for thrust. Helicopters have rotors. Drones have smaller rotors. All of these produce significant noise and heat.
Credible UAP reports consistently describe objects that are perfectly silent and lack any of these features. They are often smooth “Tic Tacs,” “spheres,” or “cubes” with no wings, control surfaces, engines, or exhaust plumes. Yet, they are reported to hover motionlessly for hours, even against high-speed winds (which would blow a balloon or drone away), and then make sudden, 90-degree turns or “falling-leaf” movements without slowing down. This implies a propulsion system that generates lift and thrust without ejecting mass (like a rocket) or using airfoils (like a plane).
The Evolving Landscape of UAP Analysis
The process of sifting signal from noise is changing rapidly. The establishment of AARO and the commissioning of the NASA UAP independent study team signify a major shift. The subject is moving from the world of ufology to the world of data science, remote sensing, and national security.
This new approach faces new challenges. The “noise” problem is worse than ever. The sky is flooded with hobbyist drones, satellite constellations, and new forms of sensor clutter. The ubiquitous nature of smartphones has generated an exponential increase in low-quality video and photo “evidence,” most of which is blurry, out of focus, or easily explained as lens flares or distant aircraft.
The solution to this data-deluge problem is artificial intelligence. Analysts are developing machine learning algorithms to automate the sifting process. An AI can be trained to monitor global sensor data (from military, civilian, and commercial sources) 24/7. It can be taught to automatically identify and filter out known “noise” – it learns what Starlink looks like, what a weather balloon’s flight path is, and what a sensor artifact looks like.
This AI can then be programmed to flag only the true anomalies: objects that are captured on multiple, corroborated sensors and display one or more of the “Five Observables.” This allows human analysts to ignore the 99% of noise and focus their efforts on the 1% of signal. A key part of this new effort is data calibration. It’s not enough to have a radar track; analysts need to know the sensor’s “health,” its exact specifications, its known error rates, and the atmospheric conditions at the time, to be certain the data is not an equipment-generated artifact.
Summary
Sifting signal from noise in the UAP data set is one of the most complex and multidisciplinary challenges facing the scientific and intelligence communities. The “noise” is the vast, overwhelming majority of reports, which are conclusively identified as misperceptions of natural phenomena, man-made objects, or human perceptual errors.
The “signal” – a credible UAP report – is defined not by its strangeness but by its data quality. The key features of such a report are, first, the presence of objective, measurable data from sensors like radar, infrared, and video. Second, this data must be corroborated, ideally by multiple, independent sensors operating on different principles (multi-domain correlation), as well as by trained and reliable eyewitnesses.
When this high-quality, credible data reveals objects performing behaviors that defy known physics – the “Five Observables” like instantaneous acceleration, trans-medium travel, and silent hypersonic flight – it becomes a true UAP. These unresolved cases are the core of the phenomenon. The ongoing, official effort to study UAPs is not a hunt for aliens; it’s a data-driven process to identify, catalog, and understand all objects in our operational environments, especially those that appear to operate on principles we do not.

