The Calvine UFO Incident: The Best UFO Photo Ever Taken
The Calvine UFO incident remains one of the most intriguing and debated UFO sightings in the United Kingdom. What follows is a detailed chronological account of the Calvine UFO Incident, one of the most enigmatic and debated UFO sightings in the Unit

The Calvine UFO incident remains one of the most intriguing and debated UFO sightings in the United Kingdom. What follows is a detailed chronological account of the Calvine UFO Incident , one of the most enigmatic and debated UFO sightings in the United Kingdom.

August 4, 1990: The Sighting
On the evening of August 4, 1990, two men hiking near Calvine , a remote area in Perthshire, Scotland , witnessed something extraordinary. According to their account, a large, diamond-shaped object hovered silently in the sky for around ten minutes. A Harrier jet from the nearby RAF base was seen circling the object before it suddenly shot upward at high speed and disappeared. One of the witnesses managed to capture six photographs of the event.
August 1990: The Photographs and Initial Report
The hikers, who were later identified as chefs from Fisher’s Hotel in Pitlochry, submitted their photographs and testimony to the Daily Record , a Scottish newspaper. The images, described as clear and high-quality , showed a massive craft with a distinctive diamond shape.
Instead of publishing the images, the newspaper’s picture editor, Andy Allen , forwarded them to the Royal Air Force (RAF) base at Pitreavie Castle for official review. Craig Lindsay , a press officer at the base, took immediate interest in the images and was instructed to send them to the Ministry of Defence (MoD) in London.
Lindsay, suspecting the images were of major significance, kept a personal copy before forwarding the negatives.
Late 1990: The MoD’s Review and Silence
Upon receiving the images, the MoD’s Defence Intelligence branch (DI55) analyzed them. According to later accounts, specialists determined the photographs were authentic and showed no signs of fabrication. However, they were unable to identify the object.
Despite the images' potential significance, the MoD chose to classify them, effectively shutting down further public inquiry. The Daily Record never published the images , and the witnesses’ identities were never disclosed.
Later that year, Lindsay visited the MoD’s office in London and saw a large, poster-sized print of the Calvine photograph displayed in an intelligence briefing room. However, he was told, “Case closed. No further action. ”
1996: Public Awareness Begins
The Calvine case was largely unknown until Nick Pope , a former MoD UFO investigator, revealed its existence in his book, Open Skies, Closed Minds (1996). Pope described the Calvine photograph as one of the most compelling pieces of UFO evidence ever reviewed by the MoD. He noted that the case had been shut down without proper explanation.
2009: Release of MoD Files and New Clues
The National Archives began declassifying MoD UFO documents, and among them was a poor-quality, photocopied drawing of a diamond-shaped object alongside a Harrier jet. A short MoD note indicated that the case had remained unresolved.
Additionally, a document surfaced suggesting that the MoD had planned to keep the original Calvine photographs classified until 2076 —fueling speculation that the UK government had something to hide.
2018: Investigative Journalist David Clarke Takes Interest
Dr. David Clarke , a journalist and academic specializing in UFO cases, reopened the Calvine investigation. Through a Freedom of Information (FOI) request , Clarke discovered an unredacted name of a former MoD intelligence officer who had worked on the case.
His search eventually led him to Craig Lindsay , the RAF press officer who had originally handled the case in 1990.
2021: Discovery of the Lost Photograph
During an interview, Craig Lindsay revealed that he had retained a copy of the original Calvine UFO photograph in his personal files for over 30 years.
After some searching, Lindsay located the original print and decided to donate it to Sheffield Hallam University’s Special Collection for analysis.
Photographic expert Andrew Robinson examined the print and confirmed its authenticity.
August 2022: Public Release of the Photograph
On August 12, 2022 , Clarke made the first-ever public release of the Calvine photograph.
The image depicted a huge, diamond-shaped craft hovering in the air with a Harrier jet nearby for scale. The craft appeared to be several times larger than the jet.
The photograph was immediately hailed as “the best UFO picture ever taken.” The release caused a massive resurgence of interest, with speculation ranging from top-secret military projects to extraterrestrial technology.
2024: Documentary Feature – The Program
The Calvine UFO incident was featured in James Fox’s documentary The Program , released in December 2024. The film, which explored government secrecy surrounding UFOs , included interviews with David Clarke, Craig Lindsay, and former MoD officials who had handled the case.
February 2025: Ongoing Mystery and Theories
Despite the release of the Calvine photograph , the case remains unresolved.
- Was it a classified military project? Some believe the diamond-shaped object was a US black project , possibly an advanced Aurora spy plane tested in British airspace.
- Was it extraterrestrial? Others argue the object’s silent hovering and sudden acceleration defy known physics, supporting the UFO hypothesis.
- Why did the MoD classify the case for decades? The UK government’s refusal to declassify all files has only fueled further speculation.
Final Thoughts
The Calvine UFO incident stands as one of the most credible yet unexplained sightings ever documented. Whether a top-secret aircraft , a misidentified object , or evidence of something beyond human technology , the case remains a subject of intense debate among UFO researchers and skeptics alike.


