All cases / Discs / Phoenix grey circles

Phoenix grey circles

April 5, 1952, 10:40 a.m.
Phoenix, Arizona, USA

Unresolved
Representative drawing from the Discs page, not this specific sighting.
"dull grey circular"Shape words from the Project Blue Book summary

What happened

A large, dull grey circular object, followed by two more, flew straight and level at high speed.

Witnesses

Mr. and Mrs. L. G. Ryan, R. L. Stokes and D. Schook

Explanation

Unresolved

Sources

  1. Patrick Gross, Project Blue Book unknowns of 1952ufologie.patrickgross.org
  2. The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com

Filed by Project Blue Book as unidentified.