
The UFO Library: Humanoid encounter
Socorro UFO Landing
Socorro police officer Lonnie Zamora witnessed a metallic, egg-shaped craft with occupants near Socorro, New Mexico; one of Project Blue Book's most credible and physically evidenced cases.
The Encounter
On the evening of April 24, 1964, Socorro police sergeant Lonnie Zamora was pursuing a speeding vehicle south of Socorro, New Mexico when he heard a loud, deep roar and spotted a bluish-orange flame descending in the southwestern sky. Abandoning the chase to investigate what he believed might be an explosion at a nearby dynamite storage facility, Zamora drove through rough terrain toward the source.
As he maneuvered over the hills, Zamora came within 150 feet of an extraordinary sight: a shiny, oval-shaped object approximately the size of a car, resting on the ground on what appeared to be landing gear. The craft was described as whitish-silver in color, with a distinctive red insignia on its side that Zamora sketched for investigators as resembling a cross or arrow symbol. Most remarkably, two small humanoid figures clad in white coveralls stood beside the object. Zamora estimated them to be roughly the height of small adults or large children, with normal human proportions.
The Flight and Witnesses
Startled by Zamora's approach, the figures appeared to notice him and quickly moved toward the craft's interior. As Zamora reached approximately 75 feet from the object, it produced an intense roar and expelled a bluish and orange flame downward. The craft rose slowly, then ascended rapidly into the sky. As it passed overhead at low altitude, five tourists driving through Socorro independently witnessed the object in flight, corroborating Zamora's account of the encounter and his simultaneous radio report to dispatcher Nep Lopez.
Physical Evidence
The landing site offered compelling tangible evidence of the encounter. Investigators discovered four distinct ground impressions arranged in a quadrilateral pattern, consistent with landing gear marks. Vegetation around the site showed signs of scorching and burn damage. Fresh earth disturbances and scuffed ground were photographed and documented. Soil samples and burnt vegetation were collected for analysis; radiation tests on the samples returned normal readings. Investigators photographed the impressions before weather and traffic could disturb them further.
Investigation and Official Response
The credibility of the witness and physical evidence drew immediate attention from official agencies. FBI agent Arthur Byrnes Jr. became involved, contacting Army Captain Richard T. Holder at nearby White Sands Missile Range. Holder and military personnel arrived at the scene that evening and secured the landing site. The U.S. Air Force's Project Blue Book, the official military UFO investigation program, dispatched its scientific consultant, Dr. J. Allen Hynek, to examine the case. Hynek conducted interviews with Zamora and examined the site and evidence.
Zamora, a police officer with a solid record and no known history of fabrication, proved to be a reliable and credible witness. His detailed account remained consistent throughout questioning. The physical evidence—landing impressions, burnt vegetation, and soil disturbances—appeared authentic and aligned with his testimony.
Official Classification and Assessment
Project Blue Book officially classified the Socorro incident as "Unknown," one of the few cases to receive this designation despite having physical evidence and a credible witness. Dr. Hynek, speaking years later to a CIA audience, described Socorro as "the Rosetta Stone of UFO cases" and admitted it was the most puzzling UFO case he had ever encountered in his decades of UFO investigation. He stated publicly that Project Blue Book had no satisfactory explanation for the incident.
Variious conventional explanations were considered: whether it might be a lunar lander prototype test from White Sands Missile Range (White Sands officials denied any operations that evening), or a hoax by New Mexico Tech students (no supporting evidence was ever produced). Neither explanation gained traction with investigators.
The Socorro case stands as one of Project Blue Book's most credible investigations, distinguished by its documented witness, tangible physical evidence, multiple independent corroborations, and the admission by official investigators that they could not explain it.
Witnesses
Lonnie Zamora (primary witness) — Socorro police sergeant, approximately 150 feet from object at closest approach. Observed occupants, landing gear, insignia, and craft's ascent.
Five tourists — traveling through Socorro area, independently witnessed the object in flight as it passed overhead, corroborating Zamora's simultaneous radio report.
Nep Lopez — Socorro Police dispatcher, received and logged Zamora's initial radio report in real time.
Evidence
Physical evidence at landing site:
- Four ground impressions arranged in quadrilateral pattern (consistent with landing gear)
- Scorched and burnt vegetation around landing area
- Scuffed and disturbed earth
- Soil samples collected and analyzed (normal radiation readings)
- Burnt vegetation specimens collected
- Photographic documentation of impressions before weather/traffic disturbance
Witness evidence:
- Police sergeant's detailed, consistent testimony
- Independent corroboration by five tourists witnessing object in flight
- Radio log documentation of Zamora's contemporaneous report
- Zamora's sketch of insignia symbol
Investigation:
- FBI involvement (Agent Arthur Byrnes Jr.)
- Army/White Sands Missile Range investigation
- Project Blue Book scientific analysis by Dr. J. Allen Hynek
- Military site security and evidence preservation
Filed under
Watch
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Policeman Lonnie Zamora in 3 interviews (1964, ‘74 & '96) talks witnessing a landed UFO in Soccoro
Where this entry came from
ProvenanceAgent indexedUpdated 4mo ago4 sources
Drafted by the archive's AI research agent from the sources below; corrections from readers are reviewed and folded in.
- First indexed
- 12 JUL 26 // 14:20Z
- Last updated
- 12 JUL 26 // 14:20Z
- Lonnie Zamora incident, Wikipedia
- Official Files on the Socorro UFO Landing, April 24, 1964, The Black Vault
- The Lonnie Zamora UFO Case (1964): A Pilot's Encounter That Stumped Experts, UFO Matrix
- The Socorro UFO Encounter, Anomalien
Notes
- Lonnie Zamora incident, Wikipedia
- Official Files on the Socorro UFO Landing, April 24, 1964, The Black Vault
- The Lonnie Zamora UFO Case (1964): A Pilot's Encounter That Stumped Experts, UFO Matrix
- The Socorro UFO Encounter, Anomalien
Also available

The Phenomenon
Explosive documentary exploring the long-standing global cover-up of unidentified aerial phenomena, featuring the Socorro 1964 incident where police officer Lonnie Zamora witnessed a structured craft landing with physical impressions left on the desert floor. Includes testimony from high-ranking government officials, military personnel, and NASA astronauts.

Secret Access: UFOs on the Record
History Channel documentary special examining credible UFO sightings backed by verifiable evidence. Features testimony from Air Force and commercial pilots, FAA officials, military generals, and NASA officials, including analysis of the Socorro incident alongside photos, film, radar and audio recordings.

UFOs: Investigating the Unknown
Five-part National Geographic series directed by acclaimed documentary filmmaker Ricki Stern that exposes the truth behind the U.S. Government's secret Pentagon program on Unidentified Aerial Phenomena. Examines decades-long investigations into UFO cases using interviews with whistleblowers, military pilots, scientists, and historical evidence. Series explores pivotal incidents including the Socorro landing.
Phenomena 7.7
Pioneering documentary examination of UFO sightings, with the title referencing the U.S. Air Force statistic that 7.7% of reported UFO incidents defy explanation. Focuses on the 1964 Socorro landing witnessed by police officer Lonnie Zamora, featuring location filming in Socorro, New Mexico and interviews with military personnel and scientists.
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