CASE 01JUNE 24, 1947
The Kenneth Arnold sighting
NEAR MOUNT RAINIER, WASHINGTON
WHAT WAS REPORTED
Private pilot Kenneth Arnold reported nine bright objects flying in formation at very high speed. Newspapers turned his description into the phrase “flying saucer,” and a wave of sightings followed.
WHAT OFFICIALS SAID
It was never settled. Suggested explanations over the years include mirages, reflections, and birds.
CASE 02JULY 1947
Roswell
ROSWELL, NEW MEXICO
WHAT WAS REPORTED
The Roswell Army Air Field announced it had recovered a “flying disc.” The next day the military said the debris came from a weather balloon. Decades later, stories of alien bodies made it the most famous UFO case in the world.
WHAT OFFICIALS SAID
A 1994 Air Force report said the debris came from Project Mogul, a classified balloon program for detecting Soviet nuclear tests. A 1997 report said “alien body” accounts likely mixed up later crash-test dummy drops and other events.
CASE 03SEPTEMBER 1961
Betty and Barney Hill
RURAL NEW HAMPSHIRE
WHAT WAS REPORTED
Driving home at night, the couple reported a strange light following their car and a stretch of time they couldn’t account for. Under hypnosis later, they described being taken aboard a craft. It became the first widely publicized alien abduction story.
WHAT SKEPTICS SAID
Critics point out that memories recovered under hypnosis are unreliable and can be shaped by suggestion and dreams.
CASE 04DECEMBER 1980
Rendlesham Forest
SUFFOLK, ENGLAND
WHAT WAS REPORTED
U.S. Air Force personnel at RAF Woodbridge reported strange lights in the forest over several nights. Deputy base commander Lt. Col. Charles Halt wrote an official memo about it to the British Ministry of Defence. It’s often called “Britain’s Roswell.”
WHAT SKEPTICS SAID
Skeptics argue the lights were a nearby lighthouse, bright stars, and a meteor, seen by tired and primed witnesses.
CASE 05MARCH 13, 1997
The Phoenix Lights
ARIZONA
WHAT WAS REPORTED
Thousands of people reported a huge V-shaped formation of lights moving over Arizona, followed later that night by a row of glowing lights hanging over Phoenix.
WHAT OFFICIALS SAID
The military said the later lights were flares dropped during a training exercise. Many witnesses say that doesn’t explain the earlier V-shaped formation.
CASE 06NOVEMBER 2004
The “Tic Tac”
OFF THE COAST OF SOUTHERN CALIFORNIA
WHAT WAS REPORTED
Navy pilots from the USS Nimitz group, including Cmdr. David Fravor, described a white, wingless object shaped like a Tic Tac that moved in ways they couldn’t match. An infrared video, later called “FLIR,” captured part of the encounter.
WHAT OFFICIALS SAID
The Pentagon officially released the FLIR video, along with two others nicknamed “Gimbal” and “GoFast,” in April 2020 and labeled what they show as unidentified.
CASE 07JULY 26, 2023
UFOs go to Congress
WASHINGTON, D.C.
WHAT HAPPENED
At a House hearing, former intelligence official David Grusch testified under oath that the U.S. has secret programs holding “non-human” craft. Navy pilots also described their own encounters.
WHAT OFFICIALS SAID
The Pentagon denied his claims. In 2024 its UFO office, AARO, released a historical review that found no evidence the government has recovered alien technology.
CASE 081952–1969
Project Blue Book
U.S. AIR FORCE
WHAT IT WAS
The Air Force’s official UFO investigation collected 12,618 sighting reports over 17 years.
WHAT IT FOUND
Most were explained as aircraft, stars, balloons, or weather. 701 stayed “unidentified.” The project concluded UFOs posed no threat to national security and closed in 1969.