What happened
A blue circle with a blue trail hovered for a minute, then sped up to more than 700 m.p.h.
"blue circle with a blue trail"Shape words from the Project Blue Book summary
Witnesses
A lieutenant, two staff sergeants and three airmen
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.