Browse every indexed declassified case tagged as triangular. These shape landing pages create searchable research hubs from the underlying PURSUE archive.
Photograph shows three dots in triangular formation in the lunar sky. Harrison Schmitt reported a flash north of Grimaldi crater. NASA's assessment: 'no consensus about the nature'. Photographs not included in original public mission archives.
NATO pilot reported a 'triangular and metallic UAP' at 25,000 ft over the Mediterranean. Object hovered motionless for 4 minutes then accelerated to beyond sensor range instantaneously.