Radar and visual B-52 Radar Contact over Saudi Arabia Eastern Saudi Arabia (en route, Operation Power Flite) 1957 evidence Contested A Strategic Air Command B-52 crew on a round-the-world training flight logged an unidentified radar return for five to seven minutes over Saudi Arabia; a declassified 1957 intelligence report, released by the Pentagon…
Open the book A Strategic Air Command B-52 crew on a round-the-world training flight logged an unidentified radar return for five to seven minutes over…
Photograph or film Edwards AFB Saucer Filming (Gordon Cooper Account) Edwards Air Force Base, dry lakebed, Kern County, California, USA 1957 evidence Contested Astronaut Gordon Cooper later recounted that a precision-landing camera crew at Edwards AFB filmed a silent, saucer-shaped craft on a dry lakebed; the Air Force's Blue Book file attributes the object to a balloon launch.
Open the book Astronaut Gordon Cooper later recounted that a precision-landing camera crew at Edwards AFB filmed a silent, saucer-shaped craft on a dry…
Painted illustration Fort Itaipu Incident Fort Itaipu, Praia Grande, Brazil 1957 evidence Documented Two sentinels at a Brazilian military fortress suffered moderate burns during a close encounter with a luminous circular craft, triggering investigation by Brazilian and US military authorities.
Open the book Two sentinels at a Brazilian military fortress suffered moderate burns during a close encounter with a luminous circular craft, triggering…
Painted illustration Kearney Encounter Platte River, near Kearney, USA 1957 evidence Contested Grain dealer Reinhold Schmidt's reported close encounter with a disc-shaped craft and occupants claiming to be from Venus along the Platte River southeast of Kearney, Nebraska.
Open the book Grain dealer Reinhold Schmidt's reported close encounter with a disc-shaped craft and occupants claiming to be from Venus along the Platte…
Painted illustration Kirtland AFB UFO Sighting Kirtland Air Force Base, USA 1957 evidence Documented Two CAA tower controllers at Kirtland AFB observed a maneuvering object confirmed by radar contact, described as egg-shaped with a white light, which hovered near the airfield before climbing rapidly into the overcast.
Open the book Two CAA tower controllers at Kirtland AFB observed a maneuvering object confirmed by radar contact, described as egg-shaped with a white…
Sighting Kitsukawa Maru Submerged Object Sighting Pacific Ocean, east of Japan (31°15′N 143°30′E) 1957 evidence Fringe Crew of a Japanese fishing boat reported two metallic, silvery objects plunging from the sky into the Pacific in April 1957, a story known mainly through Ivan Sanderson's 1970 book on underwater UFOs.
Open the book Crew of a Japanese fishing boat reported two metallic, silvery objects plunging from the sky into the Pacific in April 1957, a story known…
Painted illustration Levelland UFO Incident Levelland, Texas, US 1957 evidence Documented Over a three-hour span on the night of November 2–3, 1957, at least fifteen motorists near Levelland, Texas independently reported a luminous object that stalled their engines and killed their headlights — one of the…
Open the book Over a three-hour span on the night of November 2–3, 1957, at least fifteen motorists near Levelland, Texas independently reported a…
Radar and visual Lincoln AFB Radar-Visual Case Lincoln Air Force Base, Nebraska, USA 1957 evidence Contested On the night of 13 February 1957, control tower and ground-controlled-approach radar operators at Lincoln AFB tracked several objects trailing an airliner; three tower controllers and the base operations director also…
Open the book On the night of 13 February 1957, control tower and ground-controlled-approach radar operators at Lincoln AFB tracked several objects…
Military encounter Milton Torres RAF Manston UFO Intercept RAF Manston, Kent (intercept over the North Sea, east of East Anglia), United Kingdom 1957 evidence Contested A USAF interceptor pilot was scrambled from RAF Manston and ordered to fire a full rocket salvo at a massive, radar-tracked object over the North Sea, only for it to vanish at an estimated Mach 10 before he could shoot.
Open the book A USAF interceptor pilot was scrambled from RAF Manston and ordered to fire a full rocket salvo at a massive, radar-tracked object over the…
Painted illustration RB-47 Radar-Visual Encounter Gulf Coast to Oklahoma (Mississippi, Louisiana, Texas, Oklahoma), United States 1957 evidence Documented A USAF RB-47H electronic reconnaissance aircraft was tracked and paced by an unidentified luminous object for over 700 miles and 1.5 hours, with the object simultaneously detected visually, on airborne ECM equipment,…
Open the book A USAF RB-47H electronic reconnaissance aircraft was tracked and paced by an unidentified luminous object for over 700 miles and 1.5 hours,…
Radar and visual San Diego Radar-Visual Case NAS North Island / Point Loma, San Diego, California, USA 1957 evidence Contested On the evening of 14 October 1957, a tower operator and a Navy S2F pilot pursued a bright, color-changing light off San Diego that the pilot's airborne radar also tracked; Project Blue Book attributed it to the star…
Open the book On the evening of 14 October 1957, a tower operator and a Navy S2F pilot pursued a bright, color-changing light off San Diego that the…
Physical trace Silpho Moor Saucer Silpho Moor, near Scarborough, North Yorkshire, UK 1957 evidence Contested In late 1957 men on the North Yorkshire moors recovered a metal object described as a flying saucer, which contained a booklet of copper pages; the object was cut open and destroyed, and the surviving remains were…
Open the book In late 1957 men on the North Yorkshire moors recovered a metal object described as a flying saucer, which contained a booklet of copper…
Painted illustration Ubatuba UFO Incident Ubatuba, Brazil 1957 evidence Contested A UFO allegedly exploded over Ubatuba beach, leaving behind fragments of nearly pure magnesium that became a cornerstone case in UFO research.
Open the book A UFO allegedly exploded over Ubatuba beach, leaving behind fragments of nearly pure magnesium that became a cornerstone case in UFO…
Abduction Villas-Boas Abduction São Francisco de Sales, Minas Gerais, Brazil 1957 evidence Contested A Brazilian farmer, Antônio Villas-Boas, claimed that a red craft landed while he was ploughing at night and that he was taken aboard and sexually involved with a humanoid, in what became one of the earliest widely…
Open the book A Brazilian farmer, Antônio Villas-Boas, claimed that a red craft landed while he was ploughing at night and that he was taken aboard and…
Radar and visual West Freugh Radar Incident RAF West Freugh, Luce Bay, Wigtownshire, Scotland, UK 1957 evidence Documented On 4 April 1957, several Royal Air Force radar stations in south-west Scotland tracked multiple high-altitude objects that the Air Ministry later described as five unidentified reflecting objects, a case that reached…
Open the book On 4 April 1957, several Royal Air Force radar stations in south-west Scotland tracked multiple high-altitude objects that the Air Ministry…
Sighting Robertson Island (Antarctica) UFO Sighting Robertson Island, Antarctic Peninsula (named 'Robert Island' in some accounts), Antarctica 1956 evidence Contested During the International Geophysical Year, a four-person Chilean party stationed on an Antarctic island reported two stationary metallic craft in January 1956; the account survives mainly in ufology publications and a…
Open the book During the International Geophysical Year, a four-person Chilean party stationed on an Antarctic island reported two stationary metallic…
Sighting Budapest Sightings Budapest, Hungary 1956 evidence Contested Between late 1955 and mid-1956, CIA information reports recorded second-hand accounts of unidentified craft over Budapest and a formation moving toward Moscow; the reports are unevaluated and their original text is not…
Open the book Between late 1955 and mid-1956, CIA information reports recorded second-hand accounts of unidentified craft over Budapest and a formation…
Sighting DeFuniak Springs Sighting DeFuniak Springs, Florida, USA 1956 evidence Contested On 26 December 1956 a witness reported a white, egg-shaped object with red flashes over DeFuniak Springs, Florida; the Air Force file concluded it was probably an aircraft, a verdict later disputed by ufologists.
Open the book On 26 December 1956 a witness reported a white, egg-shaped object with red flashes over DeFuniak Springs, Florida; the Air Force file…
Painted illustration Lakenheath-Bentwaters Incident RAF Lakenheath & RAF Bentwaters, Suffolk, United Kingdom 1956 evidence Documented A six-hour sequence of radar contacts, visual sightings, and jet intercepts over two RAF bases in Suffolk that the Condon Committee conceded was most likely a genuine UFO.
Open the book A six-hour sequence of radar contacts, visual sightings, and jet intercepts over two RAF bases in Suffolk that the Condon Committee…
Sighting Schenectady–Oswego Airline Pilot Chase Schenectady and Oswego, New York, USA 1956 evidence Contested On the night of April 8, 1956, the crew of an American Airlines Convair chased a bright light across upstate New York for nearly half an hour; Project Blue Book later attributed it to the planet Venus.
Open the book On the night of April 8, 1956, the crew of an American Airlines Convair chased a bright light across upstate New York for nearly half an…
Radar and visual Archie 29 KC-97 Newfoundland Radar Case Off Newfoundland, near Pepperrell AFB and Argentia, Canada 1955 evidence Contested Two USAF KC-97 tankers refuelling off Newfoundland on 5 July 1955 tracked bright objects visually while ground radar followed them for about 49 minutes, with the pilot's direction changes matching radar returns.
Open the book Two USAF KC-97 tankers refuelling off Newfoundland on 5 July 1955 tracked bright objects visually while ground radar followed them for…
Other Groom Lake (Area 51) and the U-2 Origins of a UFO Legend Groom Lake, Nevada (Area 51), USA 1955 evidence Documented A remote Nevada airstrip selected in 1955 as a CIA/Lockheed U-2 test site became the most famous secret military base in America, and its high-altitude flights are now documented as a major source of 1950s–60s UFO…
Open the book A remote Nevada airstrip selected in 1955 as a CIA/Lockheed U-2 test site became the most famous secret military base in America, and its…
Military encounter Keflavík Airfield Formation Sighting Keflavík Airfield, Iceland 1955 evidence Contested On 4 May 1955 the commander of a US Air Force fighter-interceptor squadron at Keflavík and a lieutenant reported about ten round white objects in an irregular formation, one trailing smoke; the case was filed as…
Open the book On 4 May 1955 the commander of a US Air Force fighter-interceptor squadron at Keflavík and a lieutenant reported about ten round white…
Painted illustration Kelly–Hopkinsville Encounter Kelly (near Hopkinsville), Christian County, Kentucky, USA 1955 evidence Contested On the night of August 21–22, 1955, members of the Sutton family and their visitors at a farmhouse near Kelly, Kentucky, reported a night-long siege by small, glowing creatures after a craft allegedly landed nearby; the…
Open the book On the night of August 21–22, 1955, members of the Sutton family and their visitors at a farmhouse near Kelly, Kentucky, reported a…
Military encounter Lake City, Tennessee UFO Sighting Lake City (now Rocky Top), Anderson County, Tennessee, USA 1955 evidence Contested On 20 November 1955 a group of USAF radar and operations personnel at a Lake City, Tennessee, air-control station watched two erratically moving orange objects; the Air Force attributed the sighting to the planet Venus,…
Open the book On 20 November 1955 a group of USAF radar and operations personnel at a Lake City, Tennessee, air-control station watched two erratically…
Painted illustration BOAC Stratocruiser UFO Encounter Over Labrador, near Goose Bay, Canada 1954 evidence Documented BOAC Stratocruiser with 51 passengers and crew encounters shape-changing UFO with six escort objects over Labrador.
Open the book BOAC Stratocruiser with 51 passengers and crew encounters shape-changing UFO with six escort objects over Labrador.
Mass sighting Florence Stadium UFO Sighting Artemio Franchi Stadium, Florence, Italy 1954 evidence Documented Ten thousand football spectators in Florence witnessed a cigar-shaped UFO and mysterious white filamentation that fell to earth, with physical samples later analyzed by the University of Florence.
Open the book Ten thousand football spectators in Florence witnessed a cigar-shaped UFO and mysterious white filamentation that fell to earth, with…
Painted illustration The 1954 French UFO Wave France (nationwide) 1954 evidence Contested An unprecedented wave of UFO sightings swept across France from September to November 1954, peaking with 84 documented cases on October 3 alone, including landed-craft encounters, physical traces, and reports of small…
Open the book An unprecedented wave of UFO sightings swept across France from September to November 1954, peaking with 84 documented cases on October 3…
Mass sighting Gravataí Air Base Sighting Gravataí Air Force Base (now Base Aérea de Canoas), near Porto Alegre, Rio Grande do Sul, Brazil 1954 evidence Contested On the afternoon of 24 October 1954, personnel at the Brazilian Air Force base at Gravataí reported circular objects moving faster than any known aircraft, an episode that led the Brazilian Air Force to publicly…
Open the book On the afternoon of 24 October 1954, personnel at the Brazilian Air Force base at Gravataí reported circular objects moving faster than any…
Painted illustration Marignane Airport Landing Marignane Airport, France 1954 evidence Documented A luminous craft landed on Marignane Airport runway in Marseille, observed by airport personnel and leaving behind distinctive metal debris.
Open the book A luminous craft landed on Marignane Airport runway in Marseille, observed by airport personnel and leaving behind distinctive metal debris.
