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Round or spherical objects, typically one to four meters, white, silver, or translucent — the dominant shape in current military reporting per AARO's published trends.
The record on unidentified anomalous phenomena
Round or spherical objects, typically one to four meters, white, silver, or translucent — the dominant shape in current military reporting per AARO's published trends.
Discs in the 1940s–50s, black triangles in the 1980s–90s (Belgium, Phoenix), white oblongs — the “Tic Tac” — in the 2000s, orbs in the drone era.
Shape fashion tracks culture and sensors: people report what cameras can see and what expectation suggests. That the categories drift is an argument for perception's role — not proof of it.
The clustering is real and documented; what it means — different phenomena, different sensors, or different expectations — is unresolved.
If you built a catalog from the official record alone, it would be short. AARO's reporting trends put small round objects at the top of the modern pile. The historical files add two more silhouettes that recur too often to ignore: the large silent triangle or V — Belgium's wave, Phoenix's eight o'clock object — and the white oblong with no wings and no exhaust that four Navy aviators described in 2004.
The honest complication is that the catalog has never held still. The 1950s saw discs; the 1990s saw triangles; the 2020s see orbs. Skeptics read that drift as culture shaping perception, and they are at least partly right — witnesses have always described the unknown in the vocabulary of their decade.
But the drift argument has to survive the strong cases, and the strong cases are strong precisely because vocabulary wasn't doing the work: radar tracked the Tic Tac's performance regardless of what anyone called its shape, and a hoax-proof wave of Belgian witnesses drew the same triangle for months. The shapes may be filtered through us. The tracks are not.