{"it":{"id":"UFO-REN","kind":"ufo","sub":"Military witnesses","name":"Rendlesham Forest incident","place":"Rendlesham Forest, Suffolk, England","lat":52.0889,"lon":1.4492,"date":"26–28 December 1980","rep":"Personnel reported strange lights in the forest; Halt sent a memo to the UK Ministry of Defence.","off":"The MoD said there was no threat to national security and never investigated it as a security matter. Sceptics point to a fireball, the Orford Ness lighthouse and bright stars.","src":[{"t":"Wikipedia: Rendlesham Forest incident","u":"https://en.wikipedia.org/wiki/Rendlesham_Forest_incident"},{"t":"Halt memo, 13 January 1981 (UK National Archives DEFE 24/1948/1), copy","u":"https://www.theblackvault.com/documentarchive/the-halt-memo-the-rendlesham-forest-incident/"},{"t":"Ian Ridpath: The Rendlesham Forest UFO case","u":"http://www.ianridpath.com/ufo/rendlesham.html"},{"t":"Ian Ridpath: Rendlesham Forest UFO, appendix","u":"http://ianridpath.com/ufo/appendix.html"}],"tags":["Military","UK","Declassified"],"sum":"The investigator Ian Ridpath filmed it for BBC television: the Orford Ness lighthouse, flashing every 5 seconds between the pines of Rendlesham Forest. The airmen who chased it in December 1980 were sure it was something else.\n\nOver three nights in late December 1980, US Air Force personnel outside RAF Woodbridge reported lights in the forest. It began around 3 a.m. on 26 December, when security guards saw bright lights apparently coming down among the trees. They went in on foot and followed a flashing light. After daybreak, marks were found in a clearing. Two nights later, deputy base commander Lt Col Charles Halt taped himself walking in and put it in an official memo.\n\nThe hard part is the quality of the witnesses and the paper trail. Halt took radiation readings, logged lights that hovered for hours and seemed to send down beams, and reported it all to the Ministry of Defence.\n\nRidpath matched each element to something ordinary. A bright fireball burned up over southern England at about 3 a.m. on the first night. Local police identified the marks as rabbit diggings, and Halt's readings were at background levels. His hovering lights sat where bright stars stood, the brightest toward Sirius. Halt's memo, dated 13 January 1981, even gets the dates of the nights wrong. Believers answer that trained airmen would know a lighthouse, and some witnesses, among them Jim Penniston, later told far stranger stories.\n\nThe ministry never investigated deeply. That is why this case remains contested: not for lack of witnesses, but for lack of anyone checking them at the time.","qs":["A US deputy base commander walked into the forest with a tape recorder and filed an official memo. Why would he risk his career on a lighthouse?","A fireball, a lighthouse and a bright star, all on the same nights. Coincidence enough to explain it, or too neat?","The MoD said the event posed no security threat but never investigated it. How could they know it was no threat without looking?"],"yt":"Plot the Orford Ness bearing from the forest against the directions on Halt's tape.","rel":["GOV-UK"],"hook":"US airmen chased a light through Rendlesham Forest. A lighthouse nearby flashes every 5 seconds","why":null},"S":{},"rec":{"id":"UFO-REN","article":{"title":"Rendlesham Forest: the deputy base commander, the memo and the lighthouse","dek":"Over three nights in December 1980, US Air Force personnel at two English bases reported a glowing craft in the woods, landing marks and beams of light from the sky. Their deputy commander put it in writing to the Ministry of Defence. The best explanation is a fireball, a lighthouse and some stars, and it fits almost everything.","byline":"The Nommo","updated":"31 Oct 2026","sections":[{"h":"The animals went into a frenzy","p":["The most-quoted line in the official record of Britain’s best-known UFO case is not about a craft. It is about livestock. As patrolmen approached a glowing object in Rendlesham Forest, the deputy base commander wrote, “the animals on a nearby farm went into a frenzy” [1].","The memo was signed by Lieutenant Colonel Charles I. Halt, deputy base commander of the US Air Force units at RAF Bentwaters and RAF Woodbridge in Suffolk [1][6]. It was dated 13 January 1981, titled “Unexplained Lights,” addressed to “RAF/CC,” and reached the UK Ministry of Defence [1][6]. The base was under the command of wing commander Colonel Gordon E. Williams, and the base commander was Colonel Ted Conrad [6].","The Pentagon’s Freedom of Information office released a copy to The Black Vault in September 1997 under FOIA Case 97-F-1677 [1]. In Britain, the memo opens Ministry of Defence file DEFE 24/1948, released at The National Archives in August 2009 [3]. The Archives say this “single sheet report is the only record of the event itself” in its holdings [2]. It is the reason this case is still studied: a senior officer put his name to an account of something he could not identify."]},{"h":"What the memo says","p":["Halt wrote that at about 0300 local time on 27 December 1980, two security patrolmen saw unusual lights outside the back gate at RAF Woodbridge [1]. Three patrolmen went into the forest on foot [1]. They reported an object “metalic in appearance and triangular in shape,” about two to three metres across the base and about two metres high [1].","According to the memo, it lit the whole forest with white light, had a pulsing red light on top and a bank of blue lights underneath, and was either hovering or on legs [1]. As the patrolmen came closer, “it maneuvered through the trees and disappeared” [1]. The memo says it was seen again about an hour later near the back gate [1].","The next day, Halt wrote, three depressions 1½ inches deep and 7 inches across were found where the object had been seen [1]. On the following night, which he dated 29 December, the area was checked for radiation [1]. He reported “Beta/Gamma readings of 0.1 milliroentgens,” peaking in the three depressions [1].","Later that night, Halt wrote, a red sun-like light moved through the trees, threw off glowing particles and “broke into five separate white objects” [1]. Three star-like objects then appeared about 10 degrees above the horizon and moved in sharp angular patterns [1]. The southern one stayed for two or three hours and “beamed down a stream of light from time to time” [1]. Halt ended by noting that he was among the witnesses [1]."]},{"h":"The dates are wrong","p":["The memo, written two weeks after the events, gets its own dates wrong. The first sighting happened around 3 a.m. on 26 December, not 27 December, and Halt’s own investigation took place on the night of 28 December [5][6]. The astronomer and investigator Ian Ridpath, who has studied the case since 1983, notes that Halt “gets the dates of the events wrong” [5].","The radiation figures differ too. The memo gives 0.1 milliroentgens [1]. The Wikipedia summary of the case, drawing on the investigators’ readings with an AN/PDR-27 survey meter, gives 0.07 milliroentgens per hour in the depressions against 0.03 to 0.04 elsewhere, which it calls around background level [6]. A similar small burst was found more than half a mile from the supposed landing site [6].","Neither error proves anything strange or ordinary. They do show that the memo, the case’s primary document, was not a careful contemporaneous record."]},{"h":"The sceptical explanation","p":["Ridpath first published his explanation in The Guardian on 5 January 1985 [5]. It has five parts, and each matches a part of the memo [5].","First, the bright lights the guards saw descending into the forest around 3 a.m. on 26 December coincided with a bright fireball burning up over southern England [5]. Second, the flashing light they followed through the trees was the Orford Ness lighthouse on the coast [5]. Third, the marks in the clearing were identified by local police and a forester as rabbit scrapings and cuts made by foresters [5]. Fourth, Halt’s radiation readings were at background level [5]. Fifth, the bright star-like object that seemed to send down beams lay in the direction of Sirius, the brightest star in the sky [5].","The evidence for the lighthouse is unusually direct. Timings on Halt’s own tape recording show the light he saw flashing every five seconds, the flash rate of the Orford Ness lighthouse [6]. When local police were called shortly after 4 a.m. on the first night, the only lights they could see were from the lighthouse [6].","Two of the original patrolmen said much the same at the time. John Burroughs said they “followed it for about 2 miles before we could see it was coming from a lighthouse” [6]. Ed Cabansag agreed that from a better vantage point it was “only a beacon light off in the distance” [6]. Their statements were found by the researcher James Easton in 1997, which turned him from a believer into a sceptic [5]. The shift commander that night, Lieutenant Fred Buran, filed his statement on USAF Form 1169 on 2 January 1981 [4]. He later said: “I think Cabansag’s statement gives the best explanation of the lights” [4]. Master Sergeant J. D. Chandler, in radio contact throughout, reported no loss of communication and saw nothing take off [4]. The screaming noises in Burroughs’s statement were most likely muntjac deer, which scream when alarmed [4]."]},{"h":"The case for something more","p":["The alternative case rests on the people and on what they said later. These were trained security personnel and a senior officer who had every reason to avoid embarrassment, and who still put a strange account in writing [1]. Halt took instruments into the forest and taped his observations as they happened [6].","One of the servicemen, Sergeant Jim Penniston, later said he had encountered a “craft of unknown origin” and touched it [6]. His account is important to believers, but there was no published mention of it at the time, and no other witness corroborates it [6]. His own early statement was neither signed nor dated and did not mention the lighthouse, and its sketch of a boxy object on stilts differs from a later drawing of a larger triangular craft [4].","Supporters also note that the Ministry of Defence did not treat the case as a security matter and never investigated it as one [6]. To them, the lack of an inquiry is the problem: a report of an unidentified craft beside a US air base was answered with a note that there was “nothing of defence interest in the alleged sighting” [2]. Years later, the former Chief of Defence Staff Lord Hill-Norton warned the Defence Secretary of “a potential ‘banana-skin’ looming for the MoD” [3]."]},{"h":"One claimed hoax, unproven","p":["The BBC reported that a former US security policeman, Kevin Conde, said he had created strange lights in the forest by driving a police vehicle with modified lights [6]. This claim is unproven, and it is labelled here as a claim, not an explanation."]},{"h":"What is genuinely unexplained","p":["Very little of the physical record is unexplained. The fireball, the lighthouse flash rate, the rabbit scrapings and the position of Sirius each line up with a part of the memo [5][6]. The writer Jenny Randles, who first reported the case in 1981 and co-wrote the first book about it, concluded in 2010 that “no unearthly craft were seen in Rendlesham Forest” [6].","What remains open is human. Halt’s description of a red light breaking into five white objects has no agreed match [1]. Nor does the reported reaction of the farm animals, though animals react to many things at night [1]. And Penniston’s later account of touching a craft has never been tested against evidence [6].","There is also an institutional gap. The Ministry of Defence received a report from a deputy base commander and did not investigate [6]. Whatever was in the forest, no British official checked at the time."]},{"h":"Connections in the record","p":["The British government’s handling of UFO reports, including this one, is covered in GOV-UK. A similar pattern, military witnesses and lights in the sky with an ordinary explanation contested, runs through the Nimitz case (UFO-NIM) and the Belgian wave (UFO-BEL1990). The Phoenix Lights (UFO-PHX) offer the closest comparison: a mass sighting partly explained by military flares, with an earlier part still disputed.","There is no genuine connection to any ancient site in this case. The only old structure that matters is a lighthouse."]},{"h":"What stayed in view","p":["The Orford Ness lighthouse was there throughout, flashing every five seconds on the same bearing as the light Halt chased [6]. It was not hidden. It was simply too familiar to be noticed by the men walking toward it in the dark.","Rendlesham suggests that the hardest things to see are not the strange ones. They are the ordinary lights we already know, seen from a place we have never stood. The question it leaves is how many other mysteries are standing in the same line of sight."]}],"sources":[{"n":1,"text":"Lt Col Charles I. Halt, USAF, memorandum “Unexplained Lights” to the UK Ministry of Defence, 13 January 1981 (copy released under FOIA, Case 97-F-1677, via The Black Vault).","url":"https://www.theblackvault.com/documentarchive/the-halt-memo-the-rendlesham-forest-incident/"},{"n":2,"text":"The National Archives (UK), UFO reports: Correspondence on the Rendlesham Forest incident, DEFE 24/1948/1.","url":"https://www.nationalarchives.gov.uk/explore-the-collection/explore-by-time-period/postwar/ufo-reports/"},{"n":3,"text":"The National Archives (UK), Ministry of Defence UFO files release, August 2009: highlights guide (DEFE 24/1948, DEFE 24/1970).","url":"https://cdn.nationalarchives.gov.uk/documents/aug-2009-highlights-guide.pdf"},{"n":4,"text":"Ian Ridpath, Rendlesham Forest UFO: the witness statements (USAF Form 1169 statements of Buran, Burroughs, Cabansag, Chandler, Penniston).","url":"http://www.ianridpath.com/ufo/rendlesham2c.html"},{"n":5,"text":"Ian Ridpath, The Rendlesham Forest UFO case.","url":"http://www.ianridpath.com/ufo/rendlesham.html"},{"n":6,"text":"Wikipedia: Rendlesham Forest incident (opened in full).","url":"https://en.wikipedia.org/wiki/Rendlesham_Forest_incident"}],"related":["GOV-UK","UFO-NIM","UFO-BEL1990","UFO-PHX"]}},"img":null,"md":{"h":"img/m/UFO-REN-16x9.webp","w":1600,"hh":900,"alt":"Rendlesham Forest incident, Rendlesham Forest, Suffolk, England — The East Gate at RAF Woodbridge, where the Rendlesham Forest UFO incident began","by":"Taras Young","lic":"CC BY-SA 4.0","lu":"https://creativecommons.org/licenses/by-sa/4.0","p":"https://commons.wikimedia.org/wiki/File:RAF_Woodbridge_East_Gate.jpg","g":false,"ct":true,"cap":"","sec":[{"src":"img/t/UFO-REN.webp","by":"Taras Young","lic":"CC BY-SA 4.0","licurl":"https://creativecommons.org/licenses/by-sa/4.0","page":"https://commons.wikimedia.org/wiki/File:RAF_Woodbridge_East_Gate.jpg","cap":"RAF Woodbridge East Gate.jpg"}]},"hh":[{"v":"USAF","h":"Deputy base commander Lt Col Charles Halt reported lights and sent a memo to the UK MoD","s":[337]},{"v":"26–28 December 1980","h":"Date","s":[337]},{"v":"Rendlesham Forest","h":"Location: Rendlesham Forest, Suffolk, England","s":[337]}],"hs":{"337":["Wikipedia: Rendlesham Forest incident","https://en.wikipedia.org/wiki/Rendlesham_Forest_incident"]}}