What happened
Two to five flat discs appeared: one hovered for three or four minutes while the others circled it. The file gives the whole sighting as 30 minutes without explaining.
"flat disc-shaped"Shape words from the Project Blue Book summary
Witnesses
USAF personnel who had been warned that objects were coming from the direction of Seattle
Explanation
Unresolved
No explanation has been found.
Sources
- Patrick Gross, Project Blue Book unknowns of 1952ufologie.patrickgross.org
- The Black Vault, Project Blue Book unknown case files, complete listtheblackvault.com
Filed by Project Blue Book as unidentified.