What happened
A series of black smoke bursts in groups of four and three, like antiaircraft fire, appeared over 20 minutes.
"black smoke bursts"Shape words from the Project Blue Book summary
Witnesses
The pilot and crew chief of a USAF B-26
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.