Documented sightings reporting a light-shaped craft.
Peer-reviewed Nature study found statistically significant correlations between 1950s sky anomalies, nuclear weapons testing, and UAP reports at Palomar Observatory.
Hangzhou Xiaoshan International Airport closed for an hour and diverted 18 flights after radar detected an unidentified object - the first publicly-acknowledged UFO-caused airport shutdown by a Chinese authority, photographed by stranded passengers.
Brazil scrambled five fighters to intercept 21 radar targets; the Air Minister held a press conference confirming 'we have technical evidence that something was there.'
A Spanish airliner with 109 passengers made an emergency landing at Valencia after being shadowed by two bright objects; the Spanish Air Force scrambled a Mirage F1 that could not catch them - and the MoD's 1992 declassified file confirms the radar tracks.
A TV film crew captured footage of luminous objects simultaneously tracked on Wellington radar off New Zealand's coast, investigated by the RNZAF.
Iranian Air Force F-4 Phantoms scrambled to intercept a UFO over Tehran experienced weapons and electronics failures, documented by a declassified DIA report.
A brilliant light repeatedly hovered over Wanaque Reservoir, witnessed by police, officials, and hundreds of residents over several weeks.
A USAF RB-47 reconnaissance bomber tracked an object on radar, electronic countermeasures, and visually for 700+ miles across multiple states.
Multiple radar stations and a fighter jet tracked UFOs over two RAF bases; the Condon Committee called it 'the most puzzling case in the radar-visual files.'
The Sutton family reported hours-long siege by small luminous beings at their Kentucky farmhouse, prompting a multi-agency investigation.
UFOs tracked on radar over the nation's capital on two consecutive weekends, triggering jet scrambles and the largest Pentagon press conference since WWII.
V-formations of bluish-green lights observed by Texas Tech professors and photographed by a student became a classic unsolved Project Blue Book case.
USAF pilot George Gorman engaged in a 27-minute aerial dogfight with a maneuvering light over Fargo that outperformed his P-51 Mustang.